This transceiver circuit for the 2.5 meter range was found in documentation from 1941. The antenna is 4 feet long and the range depends on propagation conditions,and can reach several kilometers. The circuit is powered by batteries.

This transceiver circuit for the 2.5 meter range was found in documentation from 1941. The antenna is 4 feet long and the range depends on propagation conditions,and can reach several kilometers. The circuit is powered by batteries.