antenna, unlike the VHF TUAAM which is an Automatic Tuning Unit. TUAAM A TUAAM (Tuning Unit Automatic Antenna Matching) is an ATU which matches the standard vehicle antenna at VHF and which is used mainly with the VRC 353 and PRC 351/2 (when used with the clip-in kit and mounted in a vehicle). The TUAAM automatically tunes the antenna, and artificially shortens it rather than lengthening it, but essentially it performs the same function as a TURF. The TUAAM was a commercial product of Racal-BCC (BCC 543) and was adopted after the original SRDE design failed trials testing. Note that the actual TUUAM is fitted inside a 'Wing Mounting Box' which itself is fitted to a special mount, permanently fitted to the host vehicle. Clansman antenna A Range of antennas specially manufactured for use with Clansman Radio: Elevated VHF Antenna (EVHF) An elevated end fed dipole for use with the VHF Radio to extend the range when mounted on an 8 or 12 metre Mast. See also BATCO Battle Code encryption system External links Clansman at cryptomuseum.com PRC-320 at groups.io References British military radio