May 2012 Random Radio Thoughts

Cris Alexander, CPBE, AMD, DRB Crawford Broadcasting Company

Uninintended Consequences

We’ve all been there. We’ve come up with a design, a scheme, a solution to a problem that we were certain would work great (and maybe it did)… but we later found out that some unintended, unforeseen consequence resulted from our actions. (This happens in Congress all the time.)

Back in the early 1980s (yes, I was working for this company way back then), I had given myself lots of grief at our Dallas transmitter site by neglecting to put the remote control in “remote” before leaving, inevitably resulting in a mad dash back to the site from my home 40 miles away at sundown. This happened enough times that I decided there must be a better way. So I came up with a simple, elegant plan: wire the normally-open remote contacts of the remote control unit in series with the burglar alarm door contacts. I would then be unable to set the alarm if the remote control was left in “local,” a sure-fire failsafe.

That worked great until the first thunderstorm came over. Lightning hit the tower, came into the transmitter through the transmission line and enough residual energy got over into the remote control to damage the burglar alarm. I don’t recall that the remote control or anything else was damaged, but I do recall getting the late night call from the alarm company and having to make a 40-mile dash to the site on rain-slick roads to make sure no one had broken in. When I saw what had happened, I realized that my great idea wasn’t so great after all.

Something of the same nature, something with unintended consequences, happened last month at KLTT in Denver.

The new Nautel NX50 transmitter is a wonderful piece of technology, and with its mappable inputs/outputs you can do all sorts of great things with it. To address the issue we have long had at that site with feeding too much power into a 7/8” transmission line during a lightning hit on the high-power tower, Nautel told us how to program the transmitter to select the 10 kW power level on the first VSWR event (usually produced by a guy snap when storms are moving into the area). That worked great. In mid-April, the storms moved in one afternoon and the transmitter switched to 10 kW long before the body of the storm eclipsed the site. Perfect!! Or maybe not.

That very night, another wave of storms came along, and when that first VSWR event occurred… you guessed it. The transmitter switched from 1.5 kW to 10 kW… or at least it tried to! It took about five seconds for the G2 capacitor in the shunt leg of the night common point network to short and take the transmitter off the air! Thankfully it didn’t spray its innards all over the inside of the phasor cabinet, a testament to how quickly the transmitter shut down when the cap shorted.

Amanda got the phasor fixed and the station back on the air right away, but we had to noodle over the situation to figure out how to fix it. As it turns out, there is a mostly-undocumented feature in the transmitter with which you can cap the power of the transmitter at different remotely-selectable levels. We set up two: 53,000 watts for daytime and 1,550 watts for nighttime. Once the night power level is remotely selected, if the VSWR event triggers selection of the 10 kW power level, that 1,550-watt limit stays in place (the nominal night antenna input power is 1,512 watts, so that’s still well below the 105% limit); the power never exceeds that value. Daytime, the power reduction works normally.

This was a good reminder for me that it’s wise to stop and think all the way through a thing before calling it good and walking away. There just might be an unintended consequence waiting to bite.

If you have news to share with the Rocky Mountain radio engineering community, drop me an email at crisa@crawfordbroadcasting.com.

 

The KEØVH Hamshack for May 2012

Jack Roland KEØVH@q.com

Jack Roland KEØVH@q.com

My son Doran passes and gets his Technician Class License!

He took the test with the CCYARC group here in Denver and passed on Saturday March 24th!  Needless to say I am a proud Dad!  He is now KDØRNO, and hopefully will be heard on the 145.34 and 449.450 machines here in Denver!  It is our intention to start a net for kids his age discussing video games and computer subjects, which as just about with any teen-ager these days, is a big interest.

My son Doran passes and gets his Technician Class License!

Stay tuned for more information on that!  Doran is now the 3rd out of 8 of our kids to obtain a ham license!  William is KCØYPJ, and Emily is KCØYYG!  He has a brand new Wouxon handheld for everyday use, and next home school year will probably go for his General.

The Yaesu FT757GX2 is back in the shack, and better, stronger, faster than ever before.  It actually is working even better than before I messed it up L trying to do a re-alignment and shorted out a 2 transistors on the RF board.  My friend Ray, AAØL went thru it and during the course of the repair, I was doing research on certain issues it was having with shifting IF frequencies and audio on the mic.  I found a webpage describing issues inherent to the 757GX2 with capacitors in the oscillators.  Ray went ahead and replaced those, replaced the shorted transistors (these were voltage positive on the cans and essentially shorted to ground, causing the RF output problem).   The radio is now as sensitive as my “new to me” Icom 706 MK2G that I just obtained. The 706 will be my 6 meter rig of course, and I will be able to try some satellite modes and 2m/432 SSB I have always wanted to try!  Plus it will backup and augment the 757GX2 on HF, and will be run by Ham Radio Deluxe.

The NEW KEØVH QSL card is finalized and by the time you read this ready to go out to contacts around the world!

The New KEØVH QSL

 

For years I have wanted to really design my own card and use for contact confirmations.  The “Spirit of Colorado” was a TV show produced locally at KRMA TV by a good friend of mine, and one day when visiting him I saw a stack of post cards on his desk and thought, man these would make great QSL’s.  Since my family and I watched the show, he gave me a stack and for years I would write my call sign with a Sharpie pen on them and send them out.  And then, looking for someone to print my QSL’s with my picture and call sign, I ran across the KB3IFH QSL website of Randy, KB3IFH.  Check out his site (http://kb3ifh.homestead.com/index.html) Randy does outstanding work and the prices are not only competitive but even better than the others I was looking at. There are quite a few pages of excellent reviews for his service at: http://www.eham.net/reviews/detail/7757?page=1.   He does custom backs as well, was able to include the SBE logo for me, and gives his cell phone number, was great about answering all of my questions, provides a proof for you to approve, and a number of other services that really make his service stand out.

 

I have also finally become a user of the LOTW, Logbook of the World from the ARRL.  Kenny, K4KR, was instrumental in helping me set this up, so if I can be of any service in helping someone, I would be glad too.  The initial setup can be cumbersome and confusing, certainly was for me.

 

And speaking (typing) of Kenny, he also was able to make contact with GB100WSL, one of the special event stations commemorating the 100th anniversary of the sinking of Titanic back in April!  And, he actually managed to get it on YouTube video with the help of a photographer friend, during the contact.  Since I didn’t even hear the station from Britain at all, I am slightly envious!  GREAT JOB K4KR!

K4KR contacting GB100WSL

See the video at: http://www.youtube.com/watch?v=h3QUBzfLhog&feature=youtube_gdata_player

The QSL Card Kenny will be getting.

The QSL Card Kenny will be getting.

 

Did you know that the Apollo 11 TV camera on the moon was a SSTV camera, with a resolution of 10 frames per second with 320 lines?  Sound familiar?  Check out the article at http://en.wikipedia.org/wiki/Apollo_11_missing_tapes.  It is my intention to devote a major part of an upcoming monthly article to “The Voice of Apollo” soon.  And YES, there were hams involved in the creation and building of the communications systems used by NASA during the Apollo era.  Fascinating stuff!

Don’t forget the SBE IRLP/ECHOLINK Hamnet, the 1st Saturday of the month.  (We have dropped the Tuesday night net)  Details on how to join us are at http://www.qsl.net/ke0vh/sbehamnet.  Also, one of our friends of the net, Bruce, WA2ZST, runs the Hams in broadcasting net on the 9615 IRLP reflector also available via Echolink.  Bruce hosts the net live from CBS Television central in Manhattan every Sunday night at 9pm Eastern, 6p Pacific.

73’
KE0VH
www.qsl.net/ke0vh

Clay’s Corner for May 2012

By Clay Freinwald SBE Seattle Chapter 16Featuring News, Rumors and Views From Usually Reliable and Irrefutable Sources

Well the FCC came out with their latest rules for EAS, including a prohibition on what we have been doing here in Washington State since October of 2010….That is using a technique called Text to Speech, often called TTS.   Needless to say this did not sit well with many that have been involved with our EAS program on the SECC and various LECC’s around the State.    The good news is that there were others around the country that were in agreement and whom asked the FCC to re-consider their decision.….including FEMA that pointed out that TTS was a major component of upgrades to the EAS.    This resulted in something that I don’t recall seeing in my 50 years in this business, the FCC reversed themselves and suddenly TTS was (again) OK to use.

For those of you that have not followed this matter…Here’s a bit of history.   The Washington State EAS system, has relied on a system whereby the State EOC, or various county and city EOC’s or 911 centers could initiate an EAS message for the entire state or one of the local EAS areas by using the same type of equipment that’s required to be installed in broadcast stations.  This process would include having emergency personnel record the voice portion of the message.   This message (voiced message along with digital ‘Header Codes’) were transmitted to broadcast and cables systems using various analog distribution systems.   The result was often audio quality that was significantly below broadcast standards.   The solution to this problem became apparent with testing of a new system called the Common Alerting Protocol whereby emergency messages were typed into a computer and that message was ‘read’ by a text-reader at the broadcast or cable system. (A similar system has been in use for several years at the National Weather Service)  This completely eliminated the noisy, off mic, voice messages.   In October of 2010 the State of Washington deployed a number of EAS endecs around the state all connected to a central server hosted by MyStateUSA. (Often called a CAP Server)  The new system, dubbed – WaCAP was well received by the emergency management community as well as broadcast and cable systems.   As time went by, an ever increasing number of CAP-capable endecs were installed to the point that, as of this writing, about half of the stations in the State are now connected.    The bump in the road was the FCC announcing that TTS would not be permitted.   Now, thankfully, that bump has been removed and the State of Washington can continue to move forward with the on-going process of improving its EAS system.

The end of June another milestone will be the requirement that all broadcast and cable systems have installed a CAP capable EAS device.    With this will come a 2nd CAP-server that everyone will be monitoring, this one, hosted by the ‘Feds’.   When this process is completed, all broadcast stations and cable systems will be capable of receiving digital CAP messages and forwarding them to the public.    For Radio, and the aural portion of TV, this will mean a much improved audio message.   For TV and Cable this will mean that the EAS Crawl will, for the first time, contain the same text as in the aural message.   A huge improvement from where we started 15 years ago.

The EAS is far from stagnant, in fact, it’s an evolving system whose participation is required by the FCC and one that is that is largely administrated by those that volunteer to participate in the State EAS steering committee (SECC) as well as local committees called LECC’s.   As you know I have been involved with this since the start of EAS back in 1996.   This task is quite rewarding.   To be quite candid, we could use your help.   If you would like to ‘Give-Back’ by helping with the EAS here in our State, please let us know.   The more that participate, the less work there is for any one person to do and it gives you an opportunity to have direct involvement on what happens next.

Now that the snow has finally melted away from the West Tiger road, several projects are underway.    1> Replacing a number of culverts.    Doing this requires shutting down the access road to all the radio and TV operations on the site.    This has caused everyone to schedule all equipment failures to take place at times when the road is passible.  (Like that’s going to work).  2> Installing a new, and much larger, diesel tank at the ‘Summit Site’ (formally the Entercom Site).   This will provide two and one-half times more diesel on site and much longer run times before re-fueling.   3> The power line supplying power to the Summit Site, installed back in 1987 is being replaced with an intertie to the PSE system installed for the ATC site when that was built.   This is just in time as the old line has become a liability due to it being exposed due to erosion.

Sign at the entrance to the West Tiger Mountain access road –

Welcome back to the area Dave Ratener.    Dave has been hired to be the new CE at the Sandusky Radio cluster based in Bellevue.    For the past several years Dave was has been working in Spokane.

In one of our past Chapter Meetings we discussed the, all important, Public File.  In that meeting the move to have TV station put their Public Files on-line was discussed.   Well, it’s happening…The FCC just approved rules that will require TV’s to provide info on line about political ads they carry.  This new method will be phased in, starting with the Top 50 markets.  Whereas Seattle is #13 – here we go.   Word is, in time, the Commish will require more Pub-File info be placed on-line at not only TV but radio stations as well.  As is the case with other FCC required changes, the broadcaster will be asked to foot the bill.  Look for some broadcasters to fight back on this one as they feel singled out.

At the recent Broadcast Engineer Conference at NAB, SBE President John Poray gave a presentation highlighting the shortage of broadcast engineers.  In his presentation, John mentioned several causes.   1) Retirement, 2) The economy, 3) Shifting importance to computers and related technologies.

In the 50 years I have been working in this market I’ve seen a number of additions to John’s list-

1>     Consolidation – It’s no longer one set of call letters per company.  Radio and TV stations now often have more than one ‘station’ under one roof, with that comes economy of scale (translation, we don’t need as many engineers anymore)

2>     Equipment reliability – Back when, everything was full of vacuum tubes and reliability of equipment was a fraction of what it is now.

3>     Money – Many of my former co-workers left this industry moving to other fields that paid better, in some cases, much better.’

4>     Working conditions – In all too many cases, broadcast engineers are expected to do more with less, work longer hours, work on dangerous equipment alone etc. and do so for, in some cases, less money.

5>     Respect – In some instances, Engineers are thought of as an ‘expense’, i.e., they don’t create revenue etc. Remarkable how other employers don’t require their technical employees to change light bulbs or do plumbing!

6>     Contracting – In days past, all stations….Even small radio operations, had a full-time engineer.   For reasons already stated, stations have been quick to get rid of their full time engineer in favor of a contractor that they can call when needed, just as they do with their copy or coffee machine.

7>     IT – With computer based equipment taking over the conventional analog chores, stations have hired ‘IT personnel’ and have, in many cases, not fully integrated these people into the engineering department, resulting in less engineers, perhaps not less people.  (Shame on us)

These are my thoughts, what are yours?

Will July 9th be ‘Internet Doomsday’?   Some are saying that the DNSChanger Malware may impact many.   I don’t know if this is all true or not…Apparently the FBI is involved.

The SBE is again pushing the FCC to get more technical minds on board at the Commish.   This time the Society is asking for letters be written to Members U.S. Representatives to support HR 2102.  The goal is to reduce time-consuming and sometimes costly FCC errors.   I’m shocked, how could a political appointee make a mistake dealing with a technical issue?

Do you feel the peace?    You should, The Institute for Economics and Peace recently ranked the Seattle-Bellevue-Everett area #3 …Tacoma came in #4.   Most peaceful place?   Cambridge-Newton-Framingham, Mass.   Washington State is ranked the 7th most peaceful state.

Received the sad news that Steve Mendelsohn has entered hospice for pancreatic cancer.   You may not know Steve, so some background would be helpful.   He has been involved with ABC in New York for many years where he also served a Game Day Coordinator for the NFL.  Steve was very active with Amateur Radio and the ARRL where he served in various positions with that organization.   My path crossed his when we were both on the VHF Repeater Advisory Committee back in the 70’s….and several times at NAB.    A giant in our industry.   Our prayers are with you my friend.

Nick Winter and Lowell Kiesow, recently completed the upgrade of the KPLU computer based delivery system.   Lowell pointed out that they went from a 1996 Win 98 system to one running Win7.

Understand that attendance at this years NAB show in Las Vegas was just a bit over 92,000.  At the show, Radio World presents it’s ‘Cool Stuff’ awards.   Could not help but notice that the Broadcast Tools Audio Sentinel was named.    Broadcast Tools products are made in Sedro Woolley under the leadership of former Seattle Chief Engineer, Don Winget.

The world of copper theft continues.   One of the most egregious acts impacted KIMT-TV where reportedly damage ran half a million dollars.  In this case the thieves made off with 700 feet of transmission line. The good news is that they were caught.    I can’t help but wonder when the time will come that we will hear of a broadcaster getting hit by someone wanting to cash-in on the copper from a station in this area.

From time to time you find a You-Tube link that creates a good deal of attention.   This one is one of the best.    http://youtu.be/neHreW-PNtw     After looking at this tell me you don’t have the temptation to have one of these in your ‘Ham Shack’ or perhaps in the engineering department at the station?

HD Radio took another technical step forward with the announcement of a new low-power, low-cost, HD Chipset.   The proponents say this will help with getting HD Radio into portable devices such as cellphones etc.   To give you an idea of how far we’ve come – check out this item on You Tube – http://www.youtube.com/watch?v=rJZi-gYQN4A

WTOP-FM in Washington DC continues to lead in terms of billing.   The station reportedly billed $65 Million in 2011; this is up from $57M in 2010.    That’s $5.416 Million per month.   A pretty cool number for a radio station I’d say.

In my April column in mentioned the effort of Frank Foti of Telos-Omnia to promote changing the FM stereo subcarrier to SSB.    Jon LeBlanc emailed me with the following item.

http://ham-radio.com/k6sti/ssb.htm    I understand that Mr. Foti did a presentation at NAB this past month.    I expect that we will be hearing more about this item.

Congratulations to the following local stations for being 2012 Regional Edward R. Murrow Award winners in Radio– KOMO-AM, KIRO-FM, KPLU-FM….and in TV – KING-TV,  KIRO-TV,  KOMO-TV/   In Spokane, KREM-TV , KXLY-TV and KHQ-TV were winners as well.

The FCC has issued radio station totals in the U.S. as of March 31 –

Ø      Full power radio stations – 15, 029

Ø      FM Stations – 6,555

Ø      AM Stations – 4,762

Ø      Non-Com FM’s – 3,712

Ø      FM Translators and Boosters – 6,097

Look for big changes in the last category as the FCC starts processing applications for translators that have been frozen since 2003 as well as an expect flood of app’s for new Low Power FM’s.

A Federal Appeals Court has determined that the FCC cannot prohibit political ads on public TV and radio stations.   The question is now….Will we see/hear them on these stations?    NWPR, operated by WSU, has said it will not.   One thing is for sure, we will all be hearing plenty of political ads as we swing into another election cycle..

Sony has been losing money and has determined the route back to profitability will mean concentrating on mobile devices, digital imaging and games and less on making TV sets.

Ken Broeffle, local Seattle broadcast engineer, reminds us that not all ‘broadcasting’ is over the air.    Take a look -

http://www.allaccess.com/net-news/archive/story/104741/seattle-s-all-star-crew-launches-jet-city-stream?ref=search

Perhaps a sign of times and the fact that electronic equipment is getting smaller and smaller to the point that Mid-Atlantic and Extron Electronics are proposing a new standard that’s half a rack wide, in other words, 10 5/8 wide instead of the standard 19 inches.  My thoughts flashed back to the days of vacuum tube based equipment that would often require two men to remove from a rack.   Perhaps we will see the day when you will have to specify half or full rack.   This might be a tough sell.   First market will likely be audio-visual type equipment.

Some musicians and audiophiles are hanging on to the sound produced by tube-type equipment I recently ran across this item that gives the movement a cute visual –

One could quote Darwin here -

“It is not the strongest species that survive, nor the most intelligent, but the one most responsive to change.”-

With permission to share from my boss at WSU, Don Peters –

Peters’ Principles

1.        If it’s not broken don’t fix it.

2.       Don’t attempt major changes on a Friday unless it’s an emergency.

3.       Always inform master control before doing work that could or will take a station off the air.

4.       Always check with master control before you leave the site to insure proper operation.

5.       Take a picture BEFORE you disconnect.  It helps to put it back correctly.

6.       Work from a check list (pre flight) before departing for a work site.

7.       Measure twice, cut once.

8.       Pick up your tools when you are finished.

9.       Report results both good and bad.

10.   Most important—Work safely—fall protection, weather issues, high voltage, etc.

Don’s Corollary:  It’s always the last thing you try that fixes the problem.

That’s it for this month –

Catch you next month in most of this same location

 

Clay Freinwald, K7CR, CPBE

February 2012 Meeting Report

SBE Chapter 48/SMPTE Rocky Mountain Section Annual Banquet

Date: Wednesday, February 29, 2012
Time: 6:00 PM No Host Cash Bar, 7:00 PM Dinner, Reservations RequiredCost is $35 per person
Location: Lakewood Country Club, 6800 West 10th Avenue, Lakewood, CO 80214
Honorees: Denver Office of the Federal Communications Commission

At this year’s award dinner we recognized the staff of the local FCC office for their technical competence and professionalism and their recent collaborations with the Front Range broadcast community during such events as the 2008 DNC and the 2010 analog TV shutdown.  For all their efforts, we thank them.


Speaker:
Our special guest and speaker for this evening was former NBC cameraman Jeff Scarborough who was on duty in New York City on September 11, 2001. He related a very moving story of his participation in the coverage of the horrendous events of that day.  Jeff first described having been on the scene of the earlier bombing in the garage of the World Trade center 8 years previously and having witnessed the damage from that.  Then he went on to tell the story of being one of the first TV Cameramen on the scene after the first plane had struck the tower, the horrors that ensued and how close a call it was getting through the ordeal.  Jeff was brought to us by Rome Chelsi who had noted this extraordinary story in a local Evergreen magazine – you can download the pdf and read the full story in the original article here.

 

An additional announcement was made at this event, the retirement of our long standing colleague Dave Layne.  Dave’s impressive list of accomplishments and long tenure as Channel 4′s chief engineer were noted and he said a few words to the room, mentioning that he will be moving on to participate in his church full time.

 

Dinner:
This year our venue changed to Lakewood Country Club from Green Gables Country Club where we had been holding this annual event for quite some time due to it having been sold for development.  The new location worked as well or better and we were treated to a choice of entrée: Chicken Oscar, Macadamia Salmon or London Broil. All entrées included salad, Chef’s choice of potatoes, pasta or rice, fresh market vegetables, petit pans, rustic bread and butter, and fresh brewed coffee, decaffeinated coffee, or tea.  The dessert of New York Cheesecake with fresh strawberries was highly praised; the comment “as good as Lindy’s” was overheard.

Random Radio Thoughts for March

Cris Alexander, CPBE, AMD, DRB Crawford Broadcasting Company

More MDCL in Colorado (and elsewhere)

Now that we’ve had a couple of months to evaluate the Modulation Dependent Carrier Level (MDCL) operation on KLTT, I am prepared to call it an unqualified success.

From last month’s newsletter you may recall that we activated MDCL on the new KLTT Nautel NX50 transmitter in early January, shortly after we installed it. Reviewing our usage, we noted a 21% reduction in the number of kilowatt-hours, mirroring the power savings we noted on our central California station, KCBC. That is encouraging, and that consistency further cements the value of MDCL operation.

Both those stations are running the AMC algorithm, which reduces the carrier during periods of high modulation, restoring it when things get quiet. The sideband power remains unchanged. This reduces the overall peak envelope power of the transmitter, but it very effectively masks the reduced signal-to-noise ratio that any MDCL operation produces.

I have, since we turned MDCL on, made several trips to the edge of the KLTT coverage area and critically listened to the station. I couldn’t tell any difference. Up in Grand County, KLTT is usually listenable with something close to 0.5 mV/m. On my January and February trips to the Grand Lake area, I had good analog and digital coverage. We have made similar observations in the San Francisco area on KCBC.

Just for fun (and to reduce stresses in the transmitter and antenna system), we fired up MDCL on one of our 5 kW stations in Alabama earlier this year. The first electric billing cycle showed only a 5% decrease in power consumption. At first that surprised me, but then I considered that the fixed loads (tower lights, HVAC, rack power, security lighting, etc.) represent a much larger portion of the total site power consumption at a 5 kW station than they do at a 50 kW site, so that 5% is probably about right.

I filed the paperwork with the FCC to operate KLZ using MDCL and expect a grant shortly. I suspect that we’ll find the same kind of power savings there, probably even less since that site is shared at night with another station (KLVZ).

Consulting engineer Ben Dawson made a good point in a letter to Radio World recently: Aside from power savings, the AMC MDCL scheme also reduces stresses in the transmitter and antenna system. The peak RF voltage is the vector sum of the carrier plus the peak sideband power. In a normal (non-AMC) system, that amounts to something in the neighborhood of 150% of the carrier power (100% for the carrier plus 25% for each of the sidebands, more in the sidebands if asymmetrical modulation is used).

Since the carrier power is reduced during modulation in AMC-equipped systems, the peak RF voltage can be cut by 40% or more. In an AMC system, the total peak modulated power, assuming 3 dB of carrier compression, would be 50% for the carrier plus 25% for each of the sidebands. In a 50 kW system, that would result in 50 kW of peak RF power (again, more if asymmetrical modulation is employed).

This reduces the voltages across capacitors, insulators, RF contactors, spark gaps, transmission lines and everything else in the system, which can have a very positive effect on the longevity of those components and even their immunity to lightning damage.

We have for years had an issue at the KLTT transmitter site where when lightning hits one of the high-power towers in the daytime array, the low-power tower (which normally receives about 5 kW) is hit with the full 50 gallons for an RF cycle or two until the transmitter figures out there is a load problem and mutes the output. That has produced burnouts in that low-power tower’s 7/8-inch transmission line on several occasions. With the peak power reduced considerably, our exposure in this kind of situation is also significantly reduced.

 

Wind

No, I’m not talking about all the campaign rhetoric in this election cycle. I’m talking about the high winds that we have sustained around the Front Range for days on end over the last month or so. Usually those kinds of winds wait for March, but not this year. My guess is that you’re as sick of it as I am.

There were a few outages here and there for broadcasters as a result of the sustained high winds. One outage was at the Ruby Hill tower site where the mounting arm hardware on a microwave dish vibrated loose to the point that the dish ended up pointing straight down at the ground! That dish has been up there for years, and it’s never had an issue before in all the previous wind events, so that hardware was tight at one point. The vibration caused by the wind evidently caused those nuts to back off enough to let the dish move. It makes me wonder what else is loose on that and other towers in the area!

If you have news to share with the Rocky Mountain radio engineering community, drop me an email at crisa@crawfordbroadcasting.com.

 

The KEØVH Hamshack for March 2012

Jack Roland KEØVH@q.com

Jack Roland KEØVH@q.com

A short article from me this month, as I have had a problem with my FT-757GXII HF ham rig, unfortunately somewhat self inflicted, and I have now a new IPhone as my Blackberry bit the dust so I am going thru that learning curve.  I will report on these here next month.

I have found a cool website to immediately tell you which Grid Square you are in.  You can do it by address, longitude and Lattitude, or your callsign, which makes it ultra easy!  The site to go to is: http://www.levinecentral.com/ham/grid_square.php

KEØVH location of DM79ks from the website

I am in the process of restoring 3 tube radios, a couple I have written about in the past.  I am primarily working at this point on a 1946 RCA “Master” radio, that my wife obtained from somewhere in Canada.  Very cool radio, beautiful cabinet with no blemishes whatsoever.  The problem with it is that it will play for a little while, and the audio level will then diminish to nothing.  Cleaning a mode switch on the radio (AM low/AM/Hi/SW, seemed to help for awhile, but the problem persists.  Tubes are fine, tested with my (new to me) tube tester.  So, I am exploring the schematic and replacing cap’s and resistors.  The schematic was easily available at http://www.nostalgiaair.org/.  This site is a wonderful repository for many many models and makes of radios and TV’s that might be repaired and restored.

 

Getting ready to test one of the tubes . . . Tests GOOD!


NØEB Shack and IRLP Rack

A cool picture of Rich, NØEB and his APRS digipeater rack and his well equipped shack.

 

Hallcrafters S-38 (I think) receiver in the movie “TinTin”

 

I took my boys to see the movie “TinTin”in the theaters recently, and there was a scene on board a ship that the characters were on that included a radio room and yes, several vintage radios that looked real.  I ventured to guess that they were accurate representations of real radios from the era the movie was set in.

Want to see a Sears 2 meter rig from back in the day?  Take a look at this:

http://foxtango.org/Sears%203880/Sears%203880.htm

 

Don’t forget the SBE IRLP/ECHOLINK Hamnet, the 1st Saturday of the month and the 3rd Thursdays now.  Details on how to join us are at http://www.qsl.net/ke0vh/sbehamnet.  Also, one of our friends of the net, Bruce, WA2ZST, runs the Hams in Broadcasting net on the 9615 IRLP reflector also available via Echolink.  Bruce hosts the net live from CBS Television central in Manhattan every Sunday night at 9pm Eastern, 6p Pacific.

73’

KE0VH

www.qsl.net/ke0vh

 

 

Clay’s Corner for March 2012

This month we have seen the passing of 3 people, in broadcasting I knew

 

Wally Nelskog –

Unlike many I know, I did not work for Wally, however if you worked in Radio in the PNW you certainly knew his name.    Wally passed away recently at the age of 92 leaving behind a ton of memories and accomplishments.  Probably the one we all recall was the construction of KIXI on 880.   He worked long and hard to make that happen.   Then there was the warm sound of ..’Beautiful music, in the air, everywhere….’ (How can we forget?)  The first time I met Wally was at a retirement function for one of the local FCC crew.   Wally and I were both asked to speak, I was second.  Wally had a huge voice and following him made me feel like a tenor.   Later I would run across Wally via Ham Radio….One could never forget his phonetics – W7 Foxy Dog Queen.   Several years later I would end up working at 1820 Eastlake and got to chatting with Carol who had a cubical near my office.   We would chat about various things and one day she asked me if I knew her dad (as if I knew the relationship) I said no, I did not think so.   She explained that she was Wally’s daughter.   Every once in a while Wally would come by and we would chat.   I treasure those moments and now wished there had been more.  Ben Dawson added this comment – .  Wally and Jim Gabbert are the only two station owners I’ve ever known who came out with their tool boxes and worked all night with us to get new antenna installations tuned up.

 

Danny Holiday –

I was working at KBSG in Seattle as Chief Engineer when I learned that Danny had been hired to work evenings. I recall hearing him in years previous on KOL (before it became KMPS) Not sure how long Danny worked at the station, but it was several years.   I would work remotes with him and often his wife, Joyce could come along.   Always a gentlemen.

As radio goes, Danny left the station, but we would exchange emails once in a while.   I knew that he moved ‘up north’.  Dwight Small said he saw Dan a while back, he was in town seeing a doctor, Dwight said he did not look well.  Dan’s last name was Thigeson.   He adopted the name of Holiday many years ago for obvious reasons.

 

Lynn Olson –

Lynn worked for several stations in this area and most recently was doing some feature reporting for WSU’s Northwest Public Radio, this is where our paths crossed for the first time. Lynn was a very warm and sweet person.   She said that she had some medical issues, but never stated what was wrong.   Always warm and caring.   I recall installing equipment for her at the KVTI Studios in Lakewood on the campus of CPTC.   Her passing was a shock to us all.

 

I can’t help wondering how my passing will be observed and what accomplishment will be attributed to me….Perhaps placing the first broadcast station on West Tiger Mountain in 1987?

As you reach your ‘sunset years’ (that what they call people my age) and you realize you are only passing-through, those thoughts are hard to ignore.

 

Looking now at other things going on –

The little radio stations in Forks have been sold…..Again.  My work with NWPR takes me to this little town in the Twilight every once in a while these days.   The new owner is Mark Lamb of Kirkland.  The announced sale price was $50,000.   Not many signals in that area. 1 AM and 4 FM’s …The rest are Canadian.

Congratulations to the crew at KOMO Radio for being the first AM station in years to make  the top spot in the ratings.   This is exactly what they have done.    I recall, many years ago, writing about the ratio of AM to FM stations in the top 10.  Interestingly KIRO-FM is right behind them at  #2.    Lots of memories for me there too as I went to work for then KNBQ in Tacoma (was KTNT) back in 1982, the very same 97.3 that I moved to West Tiger in 1987.  Some other observations about radio ratings in our area – KUOW is ranked # 4, not too bad for a Non-Commercial station.   KJR-AM should be pleased coming in at #9 making them the 2nd AM in the top 10…Interestingly, further demonstrating the popularity of KUOW, their streaming came in #37.

Not often I get to write about technical advancements for AM Radio.  The interest in what’s known as MDCL is considerable, especially with those stations with higher power levels.  For sure there will be lots of interest in this technique at the NAB show in April.  Harris and Nautel, the dominate makers of 50 kW transmitters are both deeply involved.    I suspect that it won’t be long before we see these systems put to work on one or more of the many 50Kw AM’s in the Seattle area.   Anything that can save on the power bill is likely to be supported by management.

Business is good at American Tower.  They recently reported that 2011 Q 4 their revenue increased 19%.   A lot of that growth was beyond the U.S..   ATC owns 3 Sites on West Tiger and two on Cougar Mt and is the land lord to many radio and TV broadcasters not only in the Seattle market, but nationwide.  Interestingly that increase is likely greater than most broadcast stations that are their tenants.

In the event you have been keeping track – Heinrich Hertz – was 155 on February 22nd.  Still bothers me that we had to change ‘cycles’ to Hertz…To name of a car rental company after him is another mystery.

Remember how Satellite radio was doomed to fail ….uh-huh …They have reportedly now 22 million subscribers and revenue of 3 Billion.

Happy to report that Mark Allen (WSAB) is working on Legislation to stiffen laws regarding copper theft.   The State Senate Judiciary Committee was to hold a hearing on HB 2570 regarding metal theft.  The bill sets up a task force to come up with recommendations to the 2013 Legislature for combatting metal theft.  The bill provides that one of the members of the task force is to be from the AM/FM broadcasting industry.   If any station in the State has been the victim of copper or other metal theft, but sure and let Mark know.  WSAB is supporting this bill.  Thank you Mark !

For those you that still tune into shortwave broadcasts, you likely remember the days when the Russians jammed radio signals from the West.   Now it’s Iran. Five international broadcasters are now complaining about Iran’s jamming of radio and TV signals aimed at that country.  I trust more are concerned about the impact on gas prices.

Gotta love this one…..

The problem with quotes on the Internet is the difficulty of verifying their authenticity”       Abraham Lincoln

 

A while back I wrote about KSTW-TV and how this station has been reduced in size over the years.    Thinking about that, I recall the first time I met Ken Williams, he was CE at KTVW in Tacoma.  Their entire operation was in a Butler Building at the transmitter site.   Now look – They moved to Seattle and have expanded.   Now it’s time for KVOS.  The once proud little station in Bellingham has seen its coverage be reduced from its once regional status on Ch12 from Mt Constitution and undergone a series of ownership changes.   The most recent one has he station being combined with another in Seattle (KFFV).   Reports are now that the new owners are making considerable staff shuffles. The local newspaper in Bellingham ran a story about the stations history and how the station has struggled over the years.

The annual NAB show in Las Vegas is just around the corner.  The BWWG is working on having some EAS related events there.  If they do, I will likely make the trek to the desert this year.  Last year I did not go, after many years attending this event, it felt a bit funny.

The Mike and Key Club annual Electronic Flea Market will be held this year at the Puyallup Fair Grounds on Saturday March 10th from 9AM to 3 PM.   A huge event that is traditionally very well attended.    Hope to see you there.

Every once in a while a neighborhood finds something causing problems with radio controlled garage doors.  This time it’s in St Charles, Mo.  The source has not been found, but suddenly, after Christmas, garage doors on 5 homes stopped working.  The home owners complained to the FCC.  The makers of the equipment blamed ‘frequency pollution.   Wonder what Johnny got for Christmas?

This one has been around for a long time – In the event you have not seen it – http://www.youtube.com/watch?v=CmYDgncMhXw

Will we see FM radios in cellphones?   The push for this was started by NAB a few years ago and seems to be gaining some supporters.  Several members of the Congressional Black Caucus have asked the FCC for a hearing on the topic.

Speaking of Cellphones….I –finally – retired my very reliable and small flip-phone for what is called a ‘smart phone’  Now I get to carry a much bigger device on my belt and pay a whole lot more for service.  Price of progress I guess.   Not sure that I will ever use everything the critter is capable of.

The Commish has granted a CP to Tribune for a DTV translator for Ch13 that will operate on Ch. 22 in Seattle.   Interesting how, after all the dust settles on the big shuffle that Tribune lights up RF channel 22 again.

A bit of a milestone – HD Radio stations are starting to show up in Arbitron’s diary ratings.   It’s take a while.    I wonder, if Arbitron had been around when FM Radio came along, how long it would have taken for those stations to show up?   Many who are critical of HD Radio were not around to see how FM struggled to be accepted.    History is a great teacher, as any person my age will testify.

Here’s an interesting story about an FCC fine – The Commission has fined an AM station in Puerto Rico.  The station was, apparently, sold, however they were not, formally, informed of the change of ownership of the stations tower as the tower was not listed in the sale agreement.  Ooops – The rules state that the FCC must be informed as to tower ownership.   The FCC is asking for $4500.

Then there is the Florida AM Station that has been asked to pay 4 Grand.   What the station did not know was that the FCC was monitoring the stations field strength and noted that on several occasions they did not reduce power at night, as they were supposed to do.  In FCC lingo, this is willful and repeated.

The FCC is, apparently, pleased with their decision to auction broadcast spectrum for use by mobile systems to the point that the Chairman suggested, in a speech in Italy, the FCC’s methods could be used globally.

The FCC has been checking speeds….Really, check out -  http://tinyurl.com/SpeedTestTwo

$44,000 is a big fine…This is what the FCC is asking a legendary station in Chicago radio station, WLS, to pay.   The problem was an apparent spot that did not include sponsor ID information.

Another recent FCC action concerns LightSquared.  This is the outfit that proposed to use spectrum adjacent to the frequencies used by GPS.   A lot of money was likely spent on this idea.   Check out -  http://tinyurl.com/FCC-and-LS-Break-Up  and      http://tinyurl.com/LSquaredNixed      for more info.

I passed on reporting on the FCC’s efforts at fighting Pirate Radio, even though they did nab several this past month.  What is interesting is that the FCC is, as part of their 2013 budget request, asking for $3.6 million to purchase new DF equipment and vehicles specifically to help them track down more pirate operators.   This move certainly signals the amount of concern they have about the problem.

This past month a naked man climbed a tower in L.A. and agreed to come down after receiving McDonald’s hamburgers.    Perhaps with our weather we don’t have to worry about this problem. However, also in California, a woman climbed a tower and jumped to her death, apparently a suicide.   All this reminds me of how important it is to make sure that un-invited types cannot gain access to your tower.   A few years ago a person climbed the Boeing tower at West Tiger 2 and jumped to end their life.

Last month I passed on some pictures taken during my travels…Due to positive response…I will try and continue.

Here are a couple of pictures taken on the West Tiger Road.    For those of you whose trip to the transmitter consists of negotiating city streets….I still feel I have it better.

 

To end this edition  – I leave you with a definition that I found to be somehow appropriate in this election year –

Ineptocracy (in-ep-toc’-Ra-cy) – a system of government where the least capable to lead are elected by the least capable of producing, and where the members of society least likely to  sustain themselves or succeed, are rewarded with goods and services paid for by the confiscated wealth of a diminishing number of producers

 

Hope to see you at the next Seattle SBE Meeting –

Clay, CPBE, K7CR

 

 

Time to renew SBE memberships

Stay connected to a network of more than 5,000 broadcast engineers and receive the many benefits of membership. Renew online and take advantage of the convenient and secure renewal system on the SBE website.

Members may also return renewal forms they recently received by mail to the SBE National Office using the return envelope provided or fax renewal forms with credit card payment to (317) 846-9120. Those who did not receive a renewal letter by mail should contact Scott Jones at the national office.

Take advantage of the many membership benefits including free and discounted educational programs, SBE certification, technical books, access to SBE JobsOnline, insurance coverage, and chapter programs and renew today.

The SBE looks forward to a productive and successful year. Thanks to those who have already renewed their membership.

 

Nominate SBE Members, Chapters for SBE National Awards

The SBE membership includes many who serve or achieve at the highest level broadcast engineering. The SBE National Awards, presented each fall, recognize these individuals and chapters. Nominations for the SBE National Awards are being accepted through the June 15, 2012 deadline.

Take a few minutes to consider a chapter member who performs their craft at the highest level and is respected by their peers. Individual nomination forms are available on the SBE website to nominate a deserving society member.

Members may nominate their own chapter or other chapters for efforts relating to chapter newsletters, websites, conventions, overall interaction and frequency coordination. 2012 is the first year for the new award for best chapter social media site. Discuss with other local members and consider nominating your chapter for one of the chapter awards. Chapter nomination forms are available on the society’s website.

The two highest individual awards that the SBE has presented since 1991, the SBE Engineer of the Year and SBE Educator of the Year, will be awarded with new names starting in 2012. Moving forward, the awards will be known as the Robert W. Flanders SBE Engineer of the Year Award and the James C. Wulliman SBE Educator of the Year Award. Both Flanders and Wulliman are past presidents of the SBE and are credited with making significant contributions to the direction and programs of the society in its early years, which continue to have an impact today.

The SBE also recognizes lifelong accomplishments with the John H. Battison Award for Lifetime Achievement. Named for the founder of the SBE, this award recognizes members for outstanding achievements accomplished over 40 years or more. Nominations for this award are accepted at any time throughout the year. When a member is selected to receive the award, a surprise presentation is made during the SBE Membership Meeting held during the spring NAB Show

Recognizing the professional accomplishments of members is part of the mission of the SBE. Efforts of members to nominate an individual or chapter helps the society achieve its mission. The 2012 awards will be presented on October 24 at the SBE National Meeting in Denver, Colo., held in conjunction with the Rocky Mountain A/V Expo and the Broadcast Engineer’s Boot Camp, presented by SBE Chapter 48 and the Rocky Mountain Section of SMPTE.

 

January Meeting Report

Cable Labs Presentation and Tour

Date: Wednesday, January 18, 2012
Time: 6:00PM Refreshments, 6:30PM Meeting/Tour
Location: Cable Labs, 858 Coal Creek Circle, Louisville, CO 80027
Topic: Tour of Facility and Talk on Current Research at Cable Labs

SMPTE Rocky Mountain Section and SBE Chapter 48 met at Cable Television Laboratories, Inc. in Louisville, Colorado onJanuary 18, 2012. There were 35 attendees for the CableLabs presentation and tour.

Chris Lammers, Mark Guzinski, Kari Hiatt and Tina Tindall, were our hosts from the Labs.  Chris Lammers presented an overview of the Cable Labs organization, mission and technology activities.  Notable activities include the DOCSIS cable modem standards, SMARTLife (security, monitoring and automation) and IPv6 transition support. Current video work includes efforts with respect to tru2way™ middleware, Online Content Access (use cases, technical requirements, protocols and architecture to allow digital video subscribers online access to their subscription programming content) and home networking. Business extensions to PacketCable™ include defining communication interface requirements for business telephone features and enterprise IP-PBX interconnection over broadband networks.

 The tour of the Lab’s faculties’ by Mark Guzinski took the group through labs and facilities used for certification, qualification, and verification testing as well as for product development by various providers of products and services for the cable industry. 

Thanks to the CableLabs staff for their hospitality and a very informative meeting at and about this world class high technology facility.

photos by Tom Goldberg

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