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LOW_POWER_VHF_BEACON_TRANSMITTER

2016-04-08 13:51  
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LOW_POWER_VHF_BEACON_TRANSMITTER
A crystal oscillator and tripler make up the low power beacon transmitter. U1 generates a pulse that keys the transmitter at a 10:1 duty cycle (100 ms on, 1 s off) to conserve battery power. This transmitter was used as a locator beacon.