[ILQSO] logging program

Hank Greeb n8xx at arrl.org
Mon Oct 2 09:59:31 EDT 2006


A note to folks who complain about RFI from inverters for the laptops.  
I bought a relatively cheap 12V to x Volt DC to DC inverter from Rat 
Shack a few years ago.  (X is switch selectable from about 3 VDC to 24 
VDC.)  It powers my laptop beautifully without any RFI.  It charges up 
the battery on my laptop while it runs.  The laptop I have runs on 11 
VDC with a 3 cell lithium ion battery, and requires 15 to 17 VDC 2Amps 
max at the input.

I don't do HF mobile very often - it's too much of a distraction while 
driving, but I've used my laptop quite a bit while my wife is driving.  
I have more ignition noise than noise from the DC to DC inverter.  I 
can't hear the inverter even when the car's engine is stopped.

I've heard that many 12 VDC to 120 VAC inverters are noisy.  I don't 
know what the difference is interenally, except perhaps better 
shielding.  Since my inverter is over 5 years old, it is probably 
superceded, so if you're thinking of buying one of the DC to DC 
inverters, try it for RFI before plunking down the $$'s.

73 de n8xx Hg

-------- Original Message --------
Subject: 	[ILQSO] logging program
Date: 	Mon, 2 Oct 2006 15:23:29 +0200
From: 	James Funk <jfunk at fossnorthamerica.com>
Reply-To: 	Illinois QSO Party <ilqso at mailman.qth.net>
To: 	<ilqso at mailman.qth.net>


I have received several logs that were done with N3FJP's logging program 
and they are VERY easy to process ( ;0). I'm pretty sure it's free. Have 
never used it but it sounds like it would be worth investigating. N9PCS 
also wrote a program that looks pretty good. I'll be logging on paper in 
the car this year (again) since I can't cope with the noise the inverter 
puts into the radio...but that's another issue. 73, Jim N9JF

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