To demonstrate what we have concluded, I worked W1AW/1 on 18.088 just now,
running 5 watts, with -.70 of XIT dialed in, 2 calls...... no problem.
That needs to be adjusted,
73 de W6OGC Jim Allen
On Mon, Apr 28, 2014 at 2:39 PM, Jim Allen <jim.allen@longhornband.net>wrote:
> OTA testing with W5DV just now has demonstrated that something is goofed
> up in the frequency alignment. When he transmits at 14.050.00, I must tune
> 14,050.70 to hear him with a 700 hz. tone. On transceive, when I go back
> to him, he hears nothing, as my transmit frequency is zerobeat on
> 14,050.00. When I call him on 14,050.00 he hears me, but I don't hear
> him, because I am zero beat with his signal. I dialed in -.70 of XIT and
> we hear each other as expected. I copy him on 14,050.70 and he copies me
> sending on 14,050.00. That's not how this is supposed to work.
>
> I also notice that adjusting the sidetone frequency doesn't appear to
> change the transmit frequency. It does change the difference between the
> received frequency where the beat note is zero'd with the sidetone, which
> amounts to the same thing, I guess.
>
> I also checked out both VFO A and B and they are the same.
>
> This radio was at TenTec in March and thoroughly checked out.
>
> Is this frequency alignment easy, or require special test equipment, etc?
>
> 73 de W6OGC Jim Allen
>
>
> On Mon, Apr 28, 2014 at 1:41 PM, Jim Allen <jim.allen@longhornband.net>wrote:
>
>> I spoke to Paul at Tentec this morning. He suggested I use the 706 to
>> transmit and see if I hear that signal in the Omni. So, with the 706 tuned
>> to 14,050.00, on low power and dummy load, I copy with 706 on the Omni at
>> 14,050.70 with a 700 hz. tone. It is zero beat at 14,050.00.
>>
>> The 706 has a transmit freq, function which shows it transmitting on
>> 14,050.00. If I was at another location and transmitting at 14,050.00 with
>> the 706, and you heard me using this Omni, your VFO would show 14,050.70.
>> When you with the Omni, call me, on transceive, the signal is 14,050.00 and
>> zero beat, so I don't hear it on the 706.
>>
>> Paul also confirmed that the sidetone setting varies the transmitter
>> offset, hz for hz, so that when you zero the other signal to the same tone,
>> the transmitter is zero'd with the other signal.
>>
>> Paul could do no more without the radio on the bench but suggested I
>> eventually may want to do a Master Reset. I did a partial reset last
>> night, with no discernible change.
>>
>> I'll get on the air later with other stations locally to do some more
>> testing.
>>
>> 73 de W6OGC Jim Allen
>>
>>
>> On Mon, Apr 28, 2014 at 12:35 PM, <chacuff@cableone.net> wrote:
>>
>>> If that just came back from the factory I would ship it back up to
>>> them...sounds like a simple alignment issue but it should have been caught
>>> in final checkout before being shipped.
>>>
>>>
>>>
>>> Without some test gear it will be hard to get it right.
>>>
>>>
>>>
>>> Cecil
>>>
>>> K5DL
>>>
>>>
>>> From: John Swartz
>>> Sent: April 27, 2014 5:05 PM
>>>
>>> To: tentec@contesting.com
>>> Subject: [TenTec] Omni VI mystery
>>>
>>>
>>> I ran an on-air test with Jim and found that when using my Omni VI+,
>>> transmitting on 14.052.50, Jim was receiving me at 14.053.11 on his Omni
>>> 6. When he transmits, I receive him just fine if I engage the RIT and
>>> listen up 500 Hz, which just about coincides with what his rig is
>>> telling him his transmit frequency is. So, it seems that when he hears
>>> a CQ and answers it, he is actually about 500 Hz higher in frequency
>>> than the guy he is hearing.
>>> I hope this helps diagnose his problem. I'm not savvy enough to know
>>> the fix, other than temporarily engage the RIT or XIT and preset that
>>> 500 Hz difference.
>>>
>>> 73, John WA9AQN
>>>
>>> --
>>> John Swartz
>>> Amateur Radio WA9AQN
>>> 15076 New Salem Bluff Road
>>> Petersburg, IL 62675
>>> USA
>>> tel 217-632-5925
>>>
>>> _______________________________________________
>>> 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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