I use CW and zero beat with SPOT. I am within 1Hz.
N6IE has posted an easy Orion calibration procedure.
73, Barry N1EU
On Sun, Oct 19, 2014 at 9:43 PM, Tony Lelieveld <va3dwi@gmail.com> wrote:
> When I check my Orion-II for a quick and dirty frequency check, I perform
> the following steps.
>
> 1: Tune the Sub RX to WWV (mostly 10 MHz at my locale). Make sure you
> press
> "SUB-RX" and use VFO-B
> 2: Set the tune step to 1 Hz.
> 3: Don't use AM mode
> 4: Switch back and forth between modes USB and LSB.
>
> Tune with VFO-B till the WWV transmitted tone sounds the same on USB as on
> LSB. You are now close enough to "Zero-Beat". Now see what your frequency
> read-out shows.
> My read-out shows 10.000.018 MHz indicating that I am off by 18 Hertz.
> Close enough for me.
>
> 73, Tony VE3DWI.
> ********************************************
> ---- Original Message ----- From: "Barry N1EU" <barry.n1eu@gmail.com>
> To: "Discussion of Ten-Tec Equipment" <tentec@contesting.com>
> Sent: Sunday, October 19, 2014 5:24 PM
> Subject: Re: [TenTec] OMNI-VI question
>
>
> We've been down this road before and I don't agree on the specific need
>> for
>> a highly accurate freq counter to perform a BFO oscillator alignment. A
>> K3
>> or Orion gc receiver aligned to WWV and tuned to 9MHz does a fine job.
>>
>> 73, Barry N1EU
>>
>> On Sun, Oct 19, 2014 at 8:23 PM, Mike Bryce <prosolar@sssnet.com> wrote:
>>
>> Absolutely!
>>>
>>> No one that I know can do that ‘by ear’
>>>
>>> I have some rather high zoot equipment here on my workbench, but it’s
>>> hasn’t been calibrated in a long time. Decades perhaps? I don’t know. but
>>> for me, it’s good ‘enuff for what I do. If I’m off a few hertz, I can
>>> live
>>> with that.
>>>
>>> Having one frequency counter is okay.
>>>
>>> Have two?
>>>
>>> They’ll never be on the same frequency.
>>>
>>>
>>>
>>> Mike Bryce WB8VGE
>>> prosolar@sssnet.com
>>>
>>>
>>>
>>> On Oct 19, 2014, at 3:23 PM, Wade Staggs <tvman1954@gmail.com> wrote:
>>>
>>> > *Amen and 100% agreement on your statement Bob. A workman is only as
>>> > good
>>> > as his tools. Although when I was younger, about anything on my 1957
>>> Chevy
>>> > could be fixed with Vise grips and a Clothes Hanger. Try that today!*
>>> >
>>> > * 73
>>> > Bob
>>> > from Wade/KJ4WS*
>>> >
>>>
>>> _______________________________________________
>>> 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
>>
>>
> _______________________________________________
> 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
|