A 21 MHz IF - wow - that brings back memories. Back in the 1970's I had a 2M
downconverter with a 14 MHz IF. I think, back in those days, most HF radios
were not very sensitive on 10M, so many IFs were lower in frequency.
Monday, during our WSJT Activity NIght, I was using my IC 9700, on 144.170
Q65-15A and my IC 705, also on 144.170, driving my 902 transverter. I was on
1st sequence with both radios. It works until you double click on someone also
running 1st sequence. I don't do stuff like this very often - which is a good
thing.
Buddy WB4OMG
-----Original Message-----
From: Marshall-K5QE <k5qe@k5qe.com>
To: vhfcontesting@contesting.com
Sent: Wed, Dec 22, 2021 10:02 pm
Subject: Re: [VHFcontesting] 222 Activity Night RADIOS
Hello to all VHF ops....I have 5 stations all using the 28MHz IF
frequency. In the Sept contest, when everyone was on FT8, the IF radios
were all on 28.174MHz.....AAAAAAaaaaaaaRGH! We try very hard to keep
everything on second sequence, but sometimes you just can't do that.
When I sent my 222 MHz transverter in to Q5, I asked if it would be
possible to change the IF to 21MHz. They did not see any great
problems, so they did just that. Now, the 222 station does not interact
with the other stations....most especially the 2M station. We have a
very low duty cycle on 432, so the interference between 2M and 432 is
minimal. My solution may not be for others, but it seems to have
stopped a lot of problems here.
Everyone is REQUIRED to have a great holiday season....
See you all in Jan.....
73 Marshall K5QE
On 12/22/2021 9:44 AM, Terry Price wrote:
> Hi Mike,
>
> We ALL WISH someone would make a 222 multimode rig but no one does anymore.
> Yaesu had the FT736R which had a 222 module for it and it worked decently.
> Icom had their IC-375 which matched their 575, 275 and 475 but *IF* you van
> find one they are stupid expensive. Your best bet still is a DEMI
> (Q5Signal) transverter which requires a 10M IF. I believe they still have a
> high power version which is 50ish watts. There are Larcan 222 kw amps still
> floating around.
>
> Terry Price - W8ZN
> Directive Systems and Engineering
> 703-754-3876
>
>
> On Wed, Dec 22, 2021 at 10:18 AM Mike Smith VE9AA<ve9aa@nbnet.nb.ca> wrote:
>
>> I asked this question probably close to a year ago but didn't get much of a
>> reply..or at least to my recollection not a whole lot I could use.
>>
>>
>>
>> What are you guys using for radios + amps on 222?
>>
>>
>>
>> Antenna is no problem. I can build (or even buy) a small 222 yagi.
>>
>>
>>
>> Rig is a little tougher. I'd rather not go to a qrp transverter for a
>> couple reasons:
>>
>> Messy. Ties up a lot of desk space. Still would need an amp. Where do I
>> put
>> it?
>>
>>
>>
>> Ties up an HF radio and my shack is REALLY small...I already have 2 radios
>> +
>> 2 amps for HF (SO2R) and a separate
>>
>> backup radio for same, which performs double duty on 2m (IC-746). Also an
>> amp for 6m. See my qrz.com profile
>>
>> and know that I really don't have much real estate.
>>
>>
>>
>> Does anyone make a 50w-100w 222 radio? (Ideally this is what I
>> need)..better
>> still a 144/222/432/1.2 gig 100w Rig.
>>
>>
>>
>> Probably what I need does not exist !
>>
>>
>>
>> I do like reading all these 222 msg's though.
>>
>>
>>
>> Keep up the good work fellas.
>>
>>
>>
>> 270miles NE of FN43.."at the edge of the VHF/UHF universe, even compared to
>> Dave/Paul/Bill in Maine"
>>
>>
>>
>> Cheers
>>
>>
>>
>> Mike VE9AA FN66na ~660'ASL
>>
>>
>>
>>
>>
>> Mike, Coreen & Corey
>>
>> Keswick Ridge, NB
>>
>>
>>
>> _______________________________________________
>> VHFcontesting mailing list
>> VHFcontesting@contesting.com
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>>
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