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Sound Ranging (SR)
locates the positions of enemy artillery from the sound of their guns
firing. Microphones are positioned on a line extending over a couple
of kilometres to approximately 12 kilometres.
As each microphone detects the sound of enemy guns firing, the
information is relayed to a Command Post which computes the location
of the enemy battery.
Enemy locations are then passed to Artillery Intelligence and counter
battery tasks fired as necessary. Sound Ranging can identify an enemy
position to within 50 m at 10 kms.
The only Sound Ranging assets remaining in the Royal Artillery are
those with 5 Regt RA at Catterick.
The UK has one battery
equipped with Mark 2 HALO ASP (advanced sound ranging system), an
acoustic weapons locating equipment specifically for use in out of area
or sensitive operations where flying UAVs might be sensitive. The ASP
system was deployed in March 2003 and is expected to be in-service until
2017.
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