Chelton

DIRECTION FINDING EQUIPMENT

931 SERIES

P/N Bearing Output Frequency Range MHz SARSAT Capable Special Features
931-1 ARINC 407 30-407 NO Standard audio set 4V p-p into 10k
931-4 ARINC 407 26-470 YES  
931-5 ARINC 407 & RS 422 26-470 YES  
931-6 ARINC 407 & ARINC 429 30-407 YES  
931-8 ARINC 407 30-407 YES  
931-12 ARINC 407 and L/R (2) 26-470 YES  
931-16 ARINC 407 & ARINC 429 26-470 YES  

933 SERIES

P/N Bearing Output Frequency Range MHz SARSAT capable Special Features
933-1 ARINC 429 26-470 YES Controls 7-28-31/7 and 7-28-406/1 Rx and is controlled via ARINC 429

935 SERIES

All 935 Series DF's have 6 parallel embedded radios.

P/N Bearing Output Control Frequency Range MHz Special Features
935-1 MIL-STD 1553B MIL-STD 1553B 30-407 Works with 835-1 (CSAR Interrogator)
935-5 MIL-STD 1553B MIL-STD 1553B 30-470 With Multi Beacon on SARBE 7 beacons, Sonobuoy mode and OTPI (i.e. 1553 version of 935-11).
935-9 ARINC 429 & Left/Right RS422 Typically via 715-40 30-470 With left/right output (no ARINC 407)
935-11 ARINC 429 & ARINC407 RS422 Typically via 715-40-10010 With Multibeacon on SARBE 7 beacons, OTPI and Sonobuoy mode.
935-12 ARINC 429 As per -11 30-470 With extra RS422 port that provides separate parallel access to the beacon decode data (no ARINC 407)

SYSTEM 7

P/N Bearing Output Control Frequency Range MHz Special Features
7-23-30 RS422 & ARINC429 (ARINC 429 bearing output available from the controller) RS422Typically via 400-047992 controller Two receivers, 118-250 MHz and 225-410 MHz. For Civil SAR and with 4 in-flight selectable frequencies and COSPAS-SARSAT beacon decoding. Left-right meter drive and ARINC 429 outputs available from the controller.

The above table represents only a small number of the antennas we manufacture. Please contact us for more details.