[TenTec] Orion II Low Output on 12 and 15 m

[Kim Elmore]

Nope, that's not it. It's into a 50 ohm dummy load and whether I not I 
use the auto turner, I get the same result.

Kim N5OP


On 6/29/2013 9:24 AM, John Bescher wrote:
> Is there a chance that the SWR is higher on those bands so the Orion II reacts by less power?
>
>
> John Bescher, N4DXI
>
>
>
> -----Original Message-----
> From: Kim Elmore <cw_de_n5op at sbcglobal.net>
> To: Discussion of Ten-Tec Equipment <tentec at contesting.com>
> Sent: Fri, Jun 28, 2013 11:17 pm
> Subject: [TenTec] Orion II Low Output on 12 and 15 m
>
>
> I have an Orion II  and have noticed over time that its output on the 15
> and 12 m bands is lower than all the other bands on LCW, UCW and FSK.
> With the PWR set to 100, the 160 through 20 m bands all show about 105 W
> output using a 13.8 VDC power supply and a known accurate B&W 334A dummy
> load. This output is stable regardless of whether the internal tuner is
> used. Output on the 10 m band is 90 W, but on the 15 and 12 m bands,
> output is about 70 W. also, the ALC indicator is NOT lit at the full
> power output setting on either the 15 or 12 m bands, but IS lit on all
> other bands. The ALC indicator will light on the 15 m band when the PWR
> setting is adjusted down to 76 or below and when adjusted down to 84 or
> below on the 12 m band. Any adjustment above this level results in the
> ALC light being extinguished. On the 12 and 15 m bands any power output
> is not affected until the PWR setting is at or below these levels. The
> power indicator meter on the Orion II unit itself indicates about 95 on
> all bands except 15 and 12 m. On 15 m it indicates 82 and on 12 m it
> indicates about 88.
>
> I had mentioned this earlier and had tried adjusting the internal ALC
> level. This didn't affect the 12 or 15 m bands but did affect the
> others. I exercised all of the plugs internal to the radio, but it made
> no difference. Has anyone else experienced this? If so, what's the fix?
>
> Kim N5OP
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