The Delta does not have a 9 mhz IF. It has two IF's with the last one being
6.3 mhz. The Delta has not problems at all transmitting on 18 mhz with the
mixing scheme it uses.
Carl Moreschi N4PY
121 Little Bell Drive
Hays, NC 28635
----- Original Message -----
From: "Dr. Gerald N. Johnson" <email@example.com>
Sent: Friday, January 28, 2011 5:16 PM
Subject: Re: [TenTec] WARC band crystal part numbers
> 6.3 MHz is only used in the receive chain for Pass Band Tuning. Not in
> the transmitter line. I think. I've not had a delta or a delta manual.
> I'll stick by what I wrote in 2003. If you have to go to the inverted
> sideband for USB on 18 MHz there's no spur problem, if not there is a
> transmitter spur problem.
> 73, Jerry, K0CQ
> On 1/28/2011 2:27 PM, Bill Acito W1PA wrote:
>> Found it:
>> Delta should be fine with the 6MHz IF, correct?
>>> Is that correct? (haven't had a chance to search the archive yet, but I
>>> something about "putting out a watt or two, even on receive")
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