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Wed, 15 Aug 2012 21:05:30 -0400 |
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<9F110B34631146A08C14E53B40192CD2@JohnMPC> |
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Either the coax switch or the power connections are getting dirty.
----- Original Message -----
From: "Howard Kaufman" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Wednesday, August 15, 2012 8:29 PM
Subject: Re: Manual tuners
> Jim, when you get the low beep on the tuner it is out of the circuit. the
> 480 will tune anything under 6/1. Yes it is more lossy than the internal
> tuner.
> Now this is odd.
> at 28.5 mhz with a dummy load, I get 54 watts out with the internal tuner,
> and 62 watts out with the internal tuner bypassed. The power level is set
> at 100 watts.
> On 1.805 I am getting 34 and 45 watts respectively.
>
> I am suspecting insertion loss from the coax switch, will check that out
> and
> then start changing jumpers.
> Any other ideas?
> I have a 6 meter Motorola on the same power supply, turning it off didn't
> change a thing.
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