I found the information I needed concerning the I-81-A and the I-82-A radio direction finder indicators in the BC-433 receiver manual. The rotor voltage is 47.5 Vac. Thanks, John WA4WDL -------------- next part -------------- An HTML attachment was scrubbed... URL: http://mailman.qth.net/pipermail/milsurplus/attachments/20061202/835d6ae9/attachment.htm