On 6/20/20 4:26 PM, Alf Fisher wrote: > Please can someone help me out with what control boxes would > have been used with the BC640 transmitter. Nick has the manual: <http://www.navy-radio.com/manuals/94200/94200.1a_9-1.pdf> -- "I am a river to my people." Jeff-1.0 WA6FWI www.foxsmercantile.com