[TenTec] Argo V low output?

[WILLIAM MANSEY]

This may seem a bit obvious BUT have you checked the condition of the connectors and/or cables you are using?  I had similar situations and, fortunately for me, the problem was always traced to a connection problem of one sort or another.  INCLUDING different behaviour on different frequencies.  Prior to that incident I had never thought of the possibility of a frequency dependent short circuit!!!   WEIRD!
wa2pvk at msn.com

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