[ARC5] Strange problem with racked transmitters

[Dennis DuVall]

Like I said earlier “check for “improvements” made by previous owners”……

Dennis D.  W7QHO

Glendale, CA

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> On Jun 28, 2015, at 7:58 PM, AKLDGUY . <neilb0627 at gmail.com> wrote:
> 
> Painfully obvious, but you did check that even though the relay
> contacts in the cathode circuit are open, their terminals aren't
> strapped together?
> 
> That would be a perfectly legitimate mod by a previous owner if he
> keyed the B+ remotely, or used grid-block keying.
> 
> 73 de Neil ZL1ANM