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935 Series Tactical DF

The 935 Series of tactical Direction Finders (DF) provides a range of integrated DF solutions for bus-controlled and stand-alone direction finding systems. 935 DFs include an integral synthesised receiver covering the frequency range 30 MHz - 470 MHz, together with five Guard Receivers to monitor pre-defined distress frequencies. Bearings may be taken on all six receivers simultaneously. Data decoding is provided for COSPAS-SARSAT messages and for marine DSC messages on the associated Guard Receivers. There is also the option to select sonobuoy bandwidth for DF to sonobuoys.

  • COSPAS-SARSAT decoding
  • Marine DSC decoding
  • Discrete outputs OTPI and distress alert
  • Compatible with Chelton 715-40 DF Controller

When used with a Personnel Locator System (PLS) Interrogator, a 935 DF system has the capability to operate with Personnel Survival Radios (PSR), such as the AN/PRC-112 and PRC-434, to provide range and bearing information. In addition, the system can provide the bearing coordinates from an embedded Global Positioning System (GPS) in the URX3000 PSR. Bearings are taken in one of two Customer selectable modes: Search and Rescue (SAR) and Combat SAR (CSAR).


Discrete outputs are provided for on-top position indication (OTPI) and distress alert.

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715 40 Series Datasheet (1)

Specifications

  • Electrical Specs
  • Mechanical Specs
  • Standard Specs

Electrical Specs

Minimum Frequency
30
Maximum Frequency
470

Mechanical Specs

Full Dimensions LxWxH mm
286 x 286 x 90
Mass kg
3.8
Connector Type
MS3114-16-26P, GB711 5009-1, GB711 5009-2

Standard Specs

Altitude ft
25000
Vibration
EUROCAE ED-14C/RTCA DO-160C Section 8 Cat L Fixed Wing Cat Y Helicopter
14043 (2)

Get in touch

Chelton Limited, Marlow
The Chelton Centre
Fourth Avenue
Marlow
Buckinghamshire
SL7 1TF
United Kingdom
CAGE Code: U1907