The Three Aerial Chimneys
These things can be a bit of a challenge since the longer the vehicles were in service, the more variations in wireless equipment they were likely to carry and the more different mounts installed.
Originally, with a 19-Set on board, the left side (driver side) chimney mounted the A-Set Mount No. 8. The middle chimney was blank and the right chimney took the B-Set Mount No. 9. This makes perfect sense when you consider the vast majority of these vehicles went overseas. This orientation places the longest aerial closest to the centre of any road the vehicle travels, minimizing problems with any overhanging trees.
The middle chimney which was usually blank, could be used as required to mount the Base Plate, Vehicle Roof from the Antennae, Vertical, 34' Steel Mk I Kit. This plate allowed the 20 ' Mast to be installed on the roof of the wireless box and fully extended to nearly match the fully extended 34 ' mast mounted on the ground. This created a very tall horizontal aerial arrangement.
David
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