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Subject: beginner w/strange project with ramsey kit - please help
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Date: 07/18/00 at 12:10 AM
Posted by: Joseph
I just recently found this forum after giving up on the people on usenet. Here's my situation:
I'm a computer geek type of guy, and I recently created a computer system to play mp3's in my car. Until recently, I was content feeding the sound out of the computer into one of those cheap cassette adapters. However, I'll be moving the computer into my trunk now and I don't want a bunch of wires running around my seats. In order to fix this, I decided to transmit the sound over an fm transmitter to my stereo. I went to the store and bought a $40 FM-10A Ramsey FM transmitter kit. After building it (my first time soldering, too! :) The reception worked fine from the next room over (to my hifi stereo) so I figured that was plenty good for my car. I hooked it up in a 'beta' setup - just sitting in my back seat. However, I could never get good reception in my car. Strange things were happening with it - sometimes the reception would come through but low quality and very quiet, other times the reception would be terribly distorted, and other times it would be mostly fuzz and junk. Sometimes touching the antenna or audio wire would make things better, sometimes it wouldn't. I don't understand much about fm transmitting or these strange things happening with the antenna. Some people have told me to just splice into my car's antenna (they said i can get to it from the trunk), others have mentioned stuff like 'ground loops', and other strange things. Does anyone know and can anyone explain what is going on here, and how to fix it? PLEASE carbon copy your messages to my e-mail address, as I have limited net access.
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