Wednesday, May 13, 2009

Sirius Sat Radio Antenna Hack / Mod

Sirius XACT XTR3 Tuner.

This will mod improve the FM radio signal on your unit.
Open the unit up by removing the 2 screws on the bottom, using a Hex screwdriver.
Remove the top cover.

The large copper wire circle is the FM broadcast antenna that sends the signal to your radio.







There are 2 ways to improve your signal.

#1. Find the top part of the loop wire, and CUT it at the connection point to the board. Cut it in 2 places, about 1mm apart, so that it cant touch anymore. This goes back to ground and decreases the range.






#2. Do the #1 mod, but also solder a 31" piece of thin wire (24-18gauge) to the BOTTOM connection point.






This will now be a full length wire antenna.
This wire will be tuned to the 89 MHZ portion of the radio band, which is where most Sat Radios are tuned to, due to empty radio stations in that range.
Try to keep the wire straight, and not bunched or coiled up.

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