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How to receive a clearer iPod FM transmitter signal
Authored by: grolaw on Nov 21, '06 04:26:31PM
If you have a GPS with the traffic notification system you will find that there are nice little "T" adaptors for the antenna to feed a signal to your GPS.

Now, the induction antenna idea is an excellent one - but finding a local HAM operator and working out a deal to configure a little piece of co-ax to come from the "T" adaptor and exit in your glove box and then attach to it a small antenna will make the signal come in like gangbusters. (Calculating the antenna is not trivial - see ) However, a simple antenna cut to the frequency you want to transmit on and properly set up with a matching cap & inductor calls for more than a simple cookbook approach. It works very, very well and doesn't bother the GPS/radio reception or pick up interference from cell usage. Seek assistance from a Ham operator or a commercial business-band radio repair shop to create your little antenna tap.

Also, most modern cars come with patch cables for cell phone antennas and many cars have little "ports" in the cabin for the cell antenna cable. My SAAB 900 had a nice little popoff on the passenger side of the instrument cluster. iTrip works like a charm at 87.9. (very, very low on the FM band) Usually only low power Public Service stations e.g. NPR & Religion operate at that frequency and the tuned antenna swamps the front end of your receiver with the iTrip signal blocking out any weak broadcast stations and never exceeding the FCC regs. Proximity is everything!

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