[Chris Suslowicz]

Originally Posted by Mike Kelly

Unusual ad hoc antenna base setup on this Jeep

https://collection.sl.nsw.gov.au/rec.../PByJokkpvAv7e

I don't think it's particularly ad hoc, those photographs are from 1942/1943 and that's an Aerial Base No.1 by the look of things, as fitted to Universal Carriers and a lot of early wireless-equipped vehicles. It may well have been an original and official installation.

Chris.