[Elecraft] K3 IO board RFI mods

[Dave]

Hi All,

Bought a July 2010 K3 that was factory built. Took it apart to install 
another filter (getting ready to operate W2H special event this Sunday from 
Lakehurst Naval Air Station, 75th anniversary of Hindenburg disaster).

Since I run the TX audio, PC IN & OUT, and RS-232 I checked to see if the 
inductors were jumped out. The radio has a version XD audio IO board. I 
performed the mods as per the tech note.

My question is the web site states it is supposed to be already done on new 
K3s. Is there a cutoff date or serial number when? My concern is how many 
more mods may not be done on this radio?

73
Dave
wo2x


-----Original Message----- 
From: ka2zey
Sent: Friday, May 04, 2012 11:45 PM
To: elecraft at mailman.qth.net
Subject: Re: [Elecraft] Antenna for a KX1

I have tried the suggested lengths given for KX1. I have a 24' wire running
vertical up about 22' (the rest comes down to the KX1) and 2 16' radials
connected to the black connector on the Poloma Banana plug. I am able to get
a good SWR reading on 10 and 20 (still no contacts) but 40 is nothing below
4:1. Am I doing something wrong?

Another user posted that they were using 42' with a 1/4 wave radial for each
band.

thanks,
D

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