[Elecraft] K1 questions

[DW Holtman]

Dave,

Great information. Very nice PDF file.

Best,
DW Holtan
WB7SSN

----- Original Message ----- 
From: "Dave G4AON" <elecraft at astromag.co.uk>
To: <elecraft at mailman.qth.net>
Sent: Sunday, January 13, 2008 12:52 AM
Subject: [Elecraft] K1 questions


> Chris
> 
> You would only need to re-calibrate the "VFO" if you swap a board which 
> has the same band as the other one, ie I have a 80/40 two band board for 
> Winter use and a 40/30/20/15 one for summer, I have to re-set the 40m 
> calibration when changing the boards as the two 40m band crystals differ 
> in frequency slightly. You do have to tell the K1 which bands are on the 
> board, but that is easy and can be done "in the field".
> 
> Have you picked up the old tip of threading a rubber band through the 
> spacers to make swapping boards less of a juggling act? The rubber band 
> holds the spacers on the long bolts and still allows you to tighten 
> everything up.
> 
> You can add capacitance to a KAT1 to improve the low frequency tuning 
> ability, I've done that with mine. See: 
> http://www.astromag.co.uk/k2/g4aon_kat1_mods.pdf for details of an easy 
> and reversible modification.
> 
> 73 Dave, G4AON
> K1 #1154, K2 #1892, K3/100 #80
> -------------------------------------------
> 
> I recently purchased a K1 for use at our vacation QTH, and gave it
> its first workout today during NAQP. It's not a contest rig,
> but it did just fine :-)
> 
> I've got a couple of questions:
> 
> - I have two band modules: 40/30/20/15 and 80/17. Do I need to do
> any recalibration when I swap? How involved is this?
> 
> - I have a KAT1, and it worked fine until I tried to use my W3EDP
> on 40m. It's not really a W3EDP because I feed it remotely with
> coax and a BL2 balun. I have the 'output' menu item set to 5W. If I
> use the 4:1 setting on the BL2, the KAt1 would get down to about
> 1.7:1, but the max output was 3.8W (according to the display).
> If I use the 1:1 setting, it would only get down to 3.6:1 or so,
> but was happy to send 5W out. Huh?
> 
> 73 de chris K6DBG
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