[Elecraft] K3 firmware upgrade via Microham MKII

[Lu Romero]

John:

I wouldnt try it.  Both Elecraft and MicroHam disclaim it.

Here is what I do:

My Ham Radio computer has a dedicated Serial port.  I have
two MicroKeyers (an original and a 2) which I use to drive
my K3 and my secondary TS570.  Both of these are driven by
single USB cables.  

Since the K3 requires exclusive access to the serial port
for config and upgrades, I have purchased a very inexpensive
($8 new), RS232 one by two data switch.  I plug the
MicroKeyer 2's serial CAT connector into one section and the
serial line from my computer's single serial port to the
second connector.  I then place a gender changer on the
common DB9, then place a RS232 cable from that DB9 to the K3
CAT connector.

When I need radio control from my logging programs, I
"patch" the MicroHam control through to the K3, when I need
to upgrade software, I place the switch in the other
position and "patch" the serial port directly from the
computer into the radio.

No issues and no problems in two months of K3 operation
(with many software upgrades accomplished).

Lu-W4LT
K3 # 3192
   



Message: 8
Date: Tue, 20 Oct 2009 22:21:06 -0400
From: "John Gaynard" <jgaynard at columbus.rr.com>
Subject: [Elecraft] K3 firmware upgrade via Microham MKII
To: <elecraft at mailman.qth.net>
Message-ID: <028401ca51f5$2554c3f0$6ffe4bd0$@rr.com>
Content-Type: text/plain;    charset="us-ascii"

Can the Microham MKII be used to do the K3 Firmware upgrade.
 I know it was
possible but after the loader was originally upgraded there
was a possible
glitch that would cause the firmware load to fail.  My
firmware is at 2.38
and I think it is time to come out of the Dark Ages once
again.

 

John

K8WDN K3 #157



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