Re: [TenTec] OMNI VI+ Metering issue

[Robert & Linda McGraw K4TAX <RMcGraw@Blomand.Net>]

Bad diodes in the SWR/ALC circuit at the rear of the radio.

73
Bob, K4TAX


----- Original Message ----- 
From: "Dennis Ashworth" <k7fl@arrl.net>
To: <tentec@contesting.com>
Sent: Wednesday, June 08, 2005 12:50 AM
Subject: Re: [TenTec] OMNI VI+ Metering issue


> At 09:21 PM 6/6/2005, Ken Brown wrote:
>
> > > With the OMNI RF output set at 100W on a Bird watt
> > >meter  the FWD meter on the OMNI jumps to 25W, then decays down to 10W 
> > >over
> > >a couple seconds time.
> > >
> > What does the Bird watt meter do? Stay at a constant 100 watts? Or drop
> > the same as the Omni meter? What about reflected power indicated by the
> > Bird? How about the Ic (Collector Current) on the Omni? Does it stay
> > relatively constant during key down?
> >
> > If the Bird reads 100W and the Omni meter reads only 25W, there is a bit
> > of calibration error somewhere. Scratchy potentiometer or loose or dirty
> > connector inside the Omni?
> >
> > DE N6KB
> Great questions Ken. The answers are:
>
> The Bird reads a reflected power of about 2 watts
> The power output reading on the Bird stays a constant 100W, while the Omni
> reads 25 watts, decaying to 15 watts over 2-3 seconds. Then stays steady.
> Collector current correlates well with the Bird readings and stays steady.
>
> Dennis, K7FL
>
>
>
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