CMP Trailer APF
| Trailer APF | |
|---|---|
 Trailer, APF with doors open for maintenance |
The Trailer APF (Accurate Position Finder), later sometimes referred to as Trailer, AA Radar No 3 Mk 1, was a medium-range radar system that composed part of the Radiolocation (Radar) Unit GL III(c). It was used for the accurate tracking of a single target unlike a Zone Position Indicator (ZPI) radar that scanned for new targets. Once deployed, the entire cabin rotated as the target was tracked.
The trailer itself was a drop-frame trailer with turntable steering and Warner electric brakes, 7.50-20 tyres (single front, dual rear) and had a laden weight of 9.5 tons.[1]
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CMP Trailer APF front left
The unit in Order of March.
Towing vehicle and APF trailer with parabolic antennas in lowered position for transportation.
The electronics of the APF exposed for maintenance.
The electronics of the APF exposed for maintenance.
APF trailer in background with twin parabolic antennae in operating position.
Canadian GL III(c) in operational position.
APF maintenance.
APF maintenance.
APF Trailer.
References
- ↑ Bart Vanderveen, "Wheels & Tracks" magazine No.5.