[BC] FM Modulators for Satellite Radio

[Robert Meuser]

Well that would be 1 millivolt unattenuated. The car chassis would 
add attenuation.

R

WFIFeng at aol.com wrote:
>In a message dated 06/25/2006 2:59:28 PM Eastern Daylight Time, 
>Robertm at broadcast.net writes:
>
>>Sounds like you just broke the law, Willie. Legal Part 15 devices 
>>do  not work well in RF soup.
>Well, with the very limited FM antenna on my stereo, I do have a 
>very *few* "quiet" channels between the 2-3 dozen stations. I tested 
>this unit on one of the "quiet" ones. It was unlistenable at 3' 
>away, due to the white noise level and loss of stereo. In the car, 
>there are two (count them: *two*) FM frequencies with very weak, 
>unlistenable signals. I set the unit to either of them, and it was 
>only listenable if held up to the windshield, closest to the radio 
>antenna, which is less than 2' from that corner of the glass. Either 
>this unit is defective, or it is just grossly under-powered even for 
>a P15 device.
>Once I added the 18" wires, the range to the house stereo went from 
>barely 3' to about 10-12. It became completely lost in the hiss at 
>about 15'. (The farthest corner of the room.) In the car, with the 
>unit sitting on the seat, it's about 99.5% with only an occasional, 
>tolerable glitch.
>I cannot imagine *that* being "illegal". You wouldn't even be able 
>to hear the thing in another car, 15' away. Probebly even less than 
>that, considering that by placing it on the seat, the body of the 
>car would shild a lot of the signal from any nearby vehicles. Add to 
>that, the fact that the frequency is *not* truly clear, and the 
>range is just that much less. (It is an unlistanable frequency, 
>because what little signal is there, is just much to spotty and weak 
>for anyone in this area to be *listening* to it. It's an LPFM out on 
>Long island, which once in a great while becomes audible if the unit is off.
>Willie...