Or save the cash and build your own:
http://amfone.net/ECSound/RFsampler.htm
Ron N6IE
www.N6IE.com
----- Original Message -----
From: "Ken N9VV" <n9vv@wowway.com>
To: "Discussion of Ten-Tec Equipment" <tentec@contesting.com>
Sent: Wednesday, October 03, 2007 6:35 AM
Subject: Re: [TenTec] Orion II AM Mic Adjustment
> You might be interested in this new AM adjustment device from
> Tyler KW0AM (neat call): http://www.cleanrf.com/
> de ken n9vv
>
> Bob McGraw - K4TAX wrote:
>> To correctly set these radios for AM one should have some type of
>> waveform
>> monitor such as the old Heath SB-610 or HO-10.
>>
>> One thing that I noticed with my Omni VII and the 708A mike. The
>> Positive
>> modulation peaks were not 100% when the negative peaks were hitting 100%.
>> The solution, reverse the Red and White wires in the XLR-4 connector that
>> plugs into the back of the mike. Once this was done, the positive
>> modulation is equal to the negative modulation. Without a waveform
>> monitor
>> being a Heath SB-610, I'd never seen the issue. And yes, it takes more
>> mike
>> gain for AM than for SSB.
>>
>> Even with the Heath Apache and the RCA BC transmitter I have found that
>> mike
>> phase does make a difference in modulation symmetry. A monitor scope
>> will
>> tell the true story.
>>
>>
>> 73
>> Bob, K4TAX
>>
>>
>> ----- Original Message -----
>> From: <ac9s@mchsi.com>
>> To: <tentec@contesting.com>
>> Sent: Tuesday, October 02, 2007 2:52 PM
>> Subject: [TenTec] Orion II AM Mic Adjustment
>>
>>
>>> I have begun to play with AM on the O2 and it appears the microphone
>>> settings
>>> are significantly different than with SSB. I am running a Heil Goldline
>>> through an NCS multiswitcher. With the current gain setting on the NCS
>>> box I
>>> have the red led on the O2 flickering with the O2 software mic setting
>>> at
>>> 18.
>>> Today I checked in with an AM group on 3875khz and was informed that my
>>> audio
>>> was light. Sure enough, there was no flicker on the led. I turned the
>>> mic
>>> gain almost up to 100 - I could see increased gid current on my
>>> amplifier,
>>> but
>>> never a sign of the led lighting. The group informed me the audio level
>>> had
>>> increased, but that it was still a little on the light side.
>>>
>>> Does the LED work on AM? Should the mic gain be radically different
>>> between
>>> SSB and AM? I didn't see anything specific in the manual.
>>>
>>> Thanks for any input on the proper way to set the mic gain on AM.
>>>
>>> Keith
>>> AC9S
>>> _______________________________________________
>>> TenTec mailing list
>>> TenTec@contesting.com
>>> http://lists.contesting.com/mailman/listinfo/tentec
>>>
>>
>>
>> _______________________________________________
>> TenTec mailing list
>> TenTec@contesting.com
>> http://lists.contesting.com/mailman/listinfo/tentec
>>
>>
> _______________________________________________
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> TenTec@contesting.com
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>
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