Re: Subject: [Elecraft] KX-1/MP-1 SWR limits

2004-11-23 Thread Cortland Richmond
Fred, one more thing; why not just ignore the SWR and tune for maximum 
received noise -- then let the tuner do its thing? You'll need to set 
tuner to bypass first, of course  but you won't need to carry an SWR 
analyzer.


Cortland



From: Fred Jensen <[EMAIL PROTECTED]>



seem to come out OK.  On 20, with the pre-sets I've been using, the best
I can get is about 3:1 according to the KX1 after the ATU relays quit.


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Re: Subject: [Elecraft] KX-1/MP-1 SWR limits

2004-11-23 Thread Cortland Richmond

Fred,

I've had pretty good luck on 20 with MP-1 bolted onto an neck-strapped 
FT-817, but I have to hold onto the radio or use a counterpoise. I 
suspect your trouble is that a KX1 and its attached wires are too small 
to give a low feedpoint impedance.  You will need a counterpoise (15 or 
16 feet) to help with this. Even one counterpoise will give the tuner 
something to work into.


Have yet to try my (used, assembled) K1 with an MP1, however, the K1 
manual points out that 2:1 or 3:1 SWR is not going to make much difference.


For portable, backpacking, walking cycling, canoeing, skiing, 
snowshoing, snowmobileing (honest!) and who knows how else Amateur 
Radio, check out the HFPack group at http://groups.yahoo.com/group/hfpack .


Cortland
KA5S


From: Fred Jensen <[EMAIL PROTECTED]>

seem to come out OK.  On 20, with the pre-sets I've been using, the best
I can get is about 3:1 according to the KX1 after the ATU relays quit.

Questions:

1.  Any ideas on what is an "acceptable" (in terms of actually being
able to work someone) SWR for the KX1?

2.  As with all antennas, I can tune the antenna for a variety of
resistances and reactances.  I've been shooting for an impedance
magnitude of around 50 ohms.  Possibly some combination of R and X is
more optimum?

It's getting a bit chilly here in N. Cal. to spend time on the deck
using trial and error (MN folks get one, and only one, joke apiece
regarding "chilly") and I was hoping for some accumulated knowlege that
will save me from the cold.

73,

Fred K6DGW
Auburn CA CM98lw


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