Mike/all:I did reduce the 120V supply to 90V to simulate battery discharge. The offset on TX remained the same: between 150 and 200 Hz. Sent from my Ain't Smart Phone. -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://mailman.qth.net/pipermail/milsurplus/attachments/20170220/541644b0/attachment.html>