[Johnson] Viking II on WARC bands?

Bry Carling bcarling at cfl.rr.com
Tue Feb 21 17:23:05 EST 2012


Fascinating, Bill. I think some folks have told me that they use fundamental crystals straight 
through on 30m. I still have some crystals left here for doing that if anyone is interested in 
giving it a try with their Johnson rig(s.)

The ones that I have are all listed here:
http://www.af4k.com/FT243crystals10000-10999khz.htm


On 21 Feb 2012 at 16:57, Bill Cromwell wrote:

From:           	Bill Cromwell <wrcromwell at gmail.com>

> Hi,
> 
> I did some testing with several different transmitters that included
> a
> Johnson Ranger (1) but not a Viking II. All of the transmitters
> easily
> accommodated the WARC bands with the controls peaking well inside
> their
> limits. I made my tests using crystals that would be doubled, etc
> as
> needed for the multiplier scheme through the transmitter to operate
> 30
> meters in the 40 or 20 meter band, 17 meters with the bandswitch at
> 20
> or 15 meters, etc. Some of my transmitters will operate on 40
> meters
> with an 80 meter xtal doubled OR with a 40 meter xtal straight
> through
> and that is specified in the owner's manuals. So the 30 meter
> example
> might us a ~5 mc xtal on 40 or a 10.1 mc xtal..depending on how
> the
> transmitter operates when it is on 40 meters.
> 
> I ran those experiments with the Ranger, my DX-100, an Apache, and
> a
> Knight T-60. I would expect similar results on a Viking II.
> 
> 73,
> 
> Bill  KU8H
> 
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