I'd check to see that the Line Gain on the radio is set correct. If Line
Gain is 100% and Navigator is maxed out, then yes there is a problem. I'd
try the direct connection method in an effort to isolate the problem.
73
Bob, K4TAX
----- Original Message -----
From: "Ron Castro" <ronc@sonic.net>
To: <jmiller1706@cfl.rr.com>; "Discussion of Ten-Tec Equipment"
<tentec@contesting.com>
Sent: Wednesday, February 11, 2009 1:29 PM
Subject: Re: [TenTec] O2 output level with PSK aux
> That is beginning to make more sense, although the sine modulation may
> indicate there is a hum problem lurking somewhere! If you can't push the
> O2
> into ALC range, the output from the Navigator is too low. Even if you
> don't
> want to run ALC in normal operation, there should be enough input to drive
> it there when everything is 'maxed out'.
>
> Ron Castro
> Chief Technical Officer
> Results Radio, LLC
> N6IE
> www.N6IE.com
>
> ----- Original Message -----
> From: <jmiller1706@cfl.rr.com>
> To: "Ron Castro" <ronc@sonic.net>; "Discussion of Ten-Tec Equipment"
> <tentec@contesting.com>
> Sent: Wednesday, February 11, 2009 12:49 PM
> Subject: Re: [TenTec] O2 output level with PSK aux
>
>
>> Thanks to all for the suggestions. On RTTY AFSK (basically a constant
>> carrier)I do get about 80-90 watts out on second measurement, with
>> Navigator set to max outputs. The Navigator still seems to be a bit
>> light
>> on drive for an Orion however. Now, looking at PSK on a scope, I see
>> that
>> it is not exactly constant amplitude when idling, as I had assumed
>> erroneously previously - seems to have a slow sine modulation envelope on
>> it. I assume that's normal (?). This could account for the lower
>> average power reading on the wattmeter in that mode. When I set the
>> wattmeter to peak/hold, it shows close to 90 watts (by capturing the
>> peak). Of course that's too much, but I think that explains some of the
>> discrepancies.
>> N4BE
>>
>>
>
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> TenTec@contesting.com
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>
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