I wonder if there is anything that can be done (on the board, for
example, or in an outboard box) to decrease the vulnerability of U1
(written as I await my replacement KIO3A board).
73, Pete N4ZR
The World Contest Station Database, updated daily at www.conteststations.com
The Reverse Beacon
Every summer I write this little note. If you see lightning or hear
thunder, disconnect all cables and wires to your K3.
Not just the antennas. Not just the PowerPole. The key lines, ALC, IF out,
LINE IN, LINE OUT, headphone, mic(s), RS232, Accessory, ground, speaker
lines, too.
I had
Hi,
I am always amused when I see this advice. How many hams are actually doing
this? Upstate NY is maybe not the worst place for thunderstorms, but we do
get plenty. Were I to follow this advice, I would have no option but leaving
the K3 unconnected as a rule and connect up all the wires (at
Knut,
For those station installations that have adequate lightning protection
implemented, it will not be necessary to disconnect anything except the
antenna.
If one follows the recommendations of Ron Block in his 2002 QST 3 part
articles on lightning protection, everything in the hamshack
Knut and Don,
I live in Florida, the lightning capital of the planet. I have experienced
overhead cloud-to-cloud discharges three times in my life, once in New
Jersey, once on Cape Cod, and once here. Both caused damage by inducing
voltages in cables connected to computers, printers,
Hi Monty - what is odd to me is that in 20 years of computer-aided
operating, this is my first RS-232 failure, and it wasn't even that
impressive a storm. Closest hit was ~1000 feet. Anyway, it's an
expensive lesson. I wonder if making *really* sure of a good common
ground between radio and
To: Monty Shultes mon...@mindspring.com
Cc: elecraft@mailman.qth.net Elecraft@mailman.qth.net
Sent: Wednesday, June 09, 2010 2:53 PM
Subject: Re: [Elecraft] K3 RS232 no data out
Hi Monty - what is odd to me is that in 20 years of computer-aided
operating, this is my first RS-232 failure, and it wasn't
...@mailman.qth.net
[mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Tom W8JI
Sent: Wednesday, June 09, 2010 4:45 PM
To: n...@contesting.com; Monty Shultes
Cc: elecraft@mailman.qth.net
Subject: Re: [Elecraft] K3 RS232 no data out
Pete,
I take hits directly on my towers all the time, and I never
Dr. Werner Furlan schrieb am 7 Jun 2010 um 23:57:
My K3 stopped sending data out of its serial port. I can set a frequency
(using a terminal program) but get no response from the serial port. K3
Utility is of course not working because there is no reply to the ;
command. My guess is a problem
My K3 stopped sending data out of its serial port. I can set a frequency
(using a terminal program) but get no response from the serial port. K3
Utility is of course not working because there is no reply to the ;
command. My guess is a problem with U1 on the KIO3 board.
Any idea where to
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