Search And Rescue Radios ( Sorted Chronologically )
DH4PY

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      R-861
  DRF-II
      TS-2530A/UR

 

 

 

 

 

  DRF-II

is a radio frequency detector for 243 MHz.
 
It is used to pinpoint
Emergency Locator Transmitter (ELT) ,also called
Radio Beacon.
ELT are activated automatically at bailout. They send a signal to locate the pilot. For this purpose they are transmit-only devices.