Vectronics VEC-1290K AM Radio Transmitter Kit, Information Needed Please
I wonder if anyone in the group has constructed one of these little kits? I would be very interested to hear opinions as to how easy it is to put together and whether there is much soldering involved...
View ArticleMOdulation Monitor?
Has anyone tried one of these outfits?http://www.radioassociates.com/I'm intrigued. It appears it can be used with NO connection to the feedline for Part 15, hence wasting no prescious power. The only...
View ArticleProcaster Video Showing Proper Installation
About 1:38 into the video:http://www.youtube.com/watch?v=9VQJHMLYOU4Forums: Transmitter Talk
View ArticleLPB AM-30 Repair
Those of you not into technical stuff might find this boring, but I share it here for my fellow tech/engineer types who might enjoy reading of the troubleshooting and repair of a transmitter.I recently...
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Didn't realize the IAM sold an option for an outdoor install
Maybe you all are already were aware, but I just noticed it.. So in case you didn't know... The i.AM.radio transmitter offers an outdoor version. It's basically just includes an outdoor encloser the...
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The AM Transmitter Challenge Results..
The AM Transmitter Challenge is slated to appear in the March 2014 edition of the CQ Plus digital supplement of CQ Magazine... But you don't have to wait, you can read the compleate results now, as...
View Article"Leaky Cable"
The italicized text below was posted on a website used mostly by broadcast engineers by someone well known here and on many other "Part 15" boards.Hopefully the response I posted to it will be useful...
View ArticleCall Signs
Known as "calls", "call signs", "call letters", "station I.Ds.", and the FCC's designation - "Call Sign Assignments", what they are is NAMES identifying individual radio stations.In the Homeland,...
View ArticleSignal Strength
The part 15 rules for intentional radiation on the AM band are reasonable if this "permission" is intended to allow an individual to transmit to his own radios at home.The combination of "100mW to the...
View ArticleTalking House AM Transmitters
Is Radio Systems still in the part 15 business? Looks like maybe not.Forums: Transmitter Talk
View ArticleThe Science of the AM Transmitter Shootout
I wasn't going to speak to this again, but I've had a lot of issues niggling at me, and they finally coalesced today.First, the shootout wasn't science. Now, before anyone goes all crazy over this...
View ArticleAMT5000 Today
Yesterday at turn-on time I noticed a frying sound on the carrier of the AMT5000. It was intermittent, sounding like short digital bursts at very irregular intervals.Right away the back-up AMT3000 with...
View ArticleNeed help with setting up a serious station
Hi everone Most of you know me and I have been on here for years. I have even set up large broadcast stations,but this is not the same. The power is much less and the effective radiated power from the...
View ArticleHi everyone!!
Is there someone who can explain why my reply post didn't display.The forum haven't no message to conntact me that I made mistakes about my reply. I concerned this isn't a good way to manage the forum...
View ArticleGround Bias - A Proposed Method for Boosting Ground Efficiency
In these several years of discussion and learning about AM antenna systems and the limiting factor of poor ground conductivity, I have stood in respect of the scholared radio engineers we're so lucky...
View ArticleState of the Station
It was (guessing) 2005 when I ordered and built the first AMT3000, using a glue stick to paste the enclosed white wire up the wall which gave a good indoor signal. It would be several years before I...
View ArticlePART 15 LICENSE
We have been wrong to think that part 15 radio stations are unlicensed. It's all in word definitions.License as a verb means "give permission." Part 15 of the FCC Rules gives permission to OPERATE......
View ArticleClass E Tune-Up Procedure
http://www.classeradio.com/tuning.htm Forums: Transmitter Talk
View Articleoutdoor mounting of a talking house?
Has anyone mounted a talking house outdoors?How would you go about doing that - considering the "special" wall-wart and the weird size of the thing...I think I saw somewhere some sticking one in a 5...
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SSTRAN AMT5000 Class E tuning waveform pictures
The following pictures show the voltage waveforms at the MOSFET drain terminal (test point T4 on the circuit board) for various settings of the tuning trimmer capacitor. Freq = 1550kHz, Antenna...
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