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Tecsun PL-310et

So I went and bought one of these cute little Tecsun radios that have the signal strength dbu meters in them. Why?  I guess because I felt like it at the time :)  I've always wanted to take one of...

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Talking House ver 5.0 Tx Test

Hi Guys: Test on the talking house ver 5.0 using the wire antenna in  a brick house.Test was done on june 3,2015 from 11:00 am to 11:50 am est 86 degrees clear & partly cloudy.No additional ground...

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Carrier Current FM

Is there such a thing as Carrier Current FM?  I remember clock Radio's that had those antenna's that used the electric cord as an antenna.  Now I do remember messing with AM Radio's back in the day...

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Experiences With The Whole House 2.0 Transmitter

I picked one of these up used on e-bay for a good price.  It's the right size for what I want to use it for, and it is Part 15 certified.  It is also RSS210 certified in Canada - RSS210 is pretty much...

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Chris Cuff AM C-Quam AM Stereo Transmitter

AttachmentSizeAM 2817 KBAM 3874.8 KBYes I have one, what? An AM C-Quam Stereo kit already assembled by Chris Cuff himself and fully operational! See images below. This area in the photo above is where...

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AMT5000 is a Lifestyle

The RF output power adjustment in the AMT5000 part 15 transmitter from sstran.com has creative applications.The RF power control of course was designed so the user can adjust for precisely 100 mW, but...

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A Chris Cuff Tube AM Stereo Transmitter

I figured I'd share this video with the group, I found it to be pretty interesting it is not C-Quam but it uses the Magnavox system: https://www.youtube.com/watch?v=4xYwuUYz5t0Imagine building that...

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Watch the DX around Midnight on FM

OK I've always checked 96.3 to be sure its Blank and 95% of the time it is.  However Yesterday I was off the air around 6PM on FM.  I desided to scan and see what DX conditions I was gonna get because...

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Decade MS-100 on 87.9

Am I missing something? How does a certified unit that operates from 88.1 to 107.7 run on 87.9?Forums: Transmitter Talk

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Fun With Science & Numbers

As I posted in another thread, I've been researching the sensitivity of various FM receivers.  Any statement with regard to the range of a Part 15 FM transmitter that doesn't take into account the...

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Unique Antenna Connections - Confusion Eliminated

There has been some discussion on this and other sites about unique antenna connections on certified Part 15 transmitters.  Here is what the FCC actually says on this matter:"The manufacturer may...

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More Receiver Sensitivity Numbers

I've found a study out of the Netherlands which actually measured the receiver sensitivity of 10 each car radios, portables and handhelds.  Sensitivity was measured for 20db Signal to Noise Ratio and...

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Part 15 FM: FCC-Legal Considerations

FCC OET Bulletin 63 (link below) is titled UNDERSTANDING THE FCC REGULATIONS FOR LOW-POWER, NON-LICENSED TRANSMITTERS.Page 29 of this document states:What is the relationship between "microvolts per...

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Part 15 FM Misinformation

I continue to read elsewhere sweeping statements that a legal Part 15 statement will not leave your own property.  Of course, there's no accompanying math or physics to prop up those statements at all....

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Sophisticated Junk

Tonight was to be the introduction of KDX-FM, but I needed to open up the C.Crane FM Transmitter to repair the telecopic antenna's contact with the antenna circuit.Normal use of the telescoping antenna...

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Carl's FM Laboratory

All the talk about Part 15 FM, 15.239, and experienced signal distance have inspired me to conduct semi-professional experiments for purposes of comparison.I have already compared three "certified" FM...

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Inconsistencies between radio-locator and radiolineup

Hi all,  In trying to find an emtpy slot for what will eventually be a Part 15 FM station, I did some searching on the dial. Everyone says that radio-locator is the best way to find an open station,...

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FM Transmitters

Earlier on another thread there was mention of so many different transmitter manufacturers that I decided to start a new thread just for Transmitters so we can get this thing going. Please tell us...

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We need someone in Canada's or New Zealand's help!!!

It has came to my attention that we could have a security risk when Carl did his FM tests so we could try and achieve what field strength it would take to get a quarter mile and was hoping the Canadian...

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Station Stories

On a daily visit to hobbybroadcaster.net I picked up this radio story:http://www.laweekly.com/music/las-smallest-radio-station-975-kbu-broadca...Forums: Transmitter Talk

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