Tracking Transmitter XFM1
This is a Crystal controlled 147.460 MHz FM transmitter called XFM1.The XFM1 designed for model rockets but suitable for wildlife, balloons and many other applications requiring a small, frequency stable FM transmitter. Use this transmitter with a scanner or 2 meter amateur radio receiver. Transmitter ground range is approximately 400 yards (5 feet above ground) . Field tests were done with a ICOM IC-W32A transceiver with 0.16 micro volts of receiver sensitivity through the standard 8 inch antenna.
   Tracking Transmitter XFM1
Full description at www.jbgizmo.com