"You don't need to manually choose an antenna on startup. It remembers what
was last used on each band (assuming you are using an Elecraft or Kenwood
rig with it). I think it will still remember the last used even in a dumb
situation without knowledge from the radio; it just needs the radio
So if I have one antenna port which no longer seems to function (port 2) the
GDT may be a good suspect?
Suggestions for troubleshooting invited
73, David G3WGN M6O WJ6O
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Subject: Re: [Elecraft] KAT500 - does it earth antenna connections
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Interesting idea.
I have two antennas, so I could connect my ground to #1 and antennas to #2
and #3?
Just manually choose an antenna on start-up. H
This is not quite correct. It does not connect unused antenna ports to ground.
It does have a GDT and 1 meg resistor to ground on each port, however.
When power is off to the KAT500, ANT1 is connected directly to the input port.
But you are correct in that it has three output antenna ports.
73,
The Ground should be Attached to the Equipment,
Not to the Antenna lead.
Ray WA6VAB K3
From: David Ferrington, M0XDF
Sent: Thursday, September 30, 2021 8:20 AM
To: Ted Edwards W3TB
Cc: ElecraftList
Subject: Re: [Elecraft] KAT500 - does it earth antenna connections
Or connect a dummy load via
Or connect a dummy load via a power meter (Bird 43) to antenna 1, so you can
check power output against a third party meter.
73 de David, M0XDF
--
It came to me that reform should begin at home, and since that day I have
not had time to remake the world. -Will Durant, historian (1885-1981)
> On
You don't need to manually choose an antenna on startup. It remembers what
was last used on each band (assuming you are using an Elecraft or Kenwood
rig with it). I think it will still remember the last used even in a dumb
situation without knowledge from the radio; it just needs the radio support
Interesting idea.
I have two antennas, so I could connect my ground to #1 and antennas to #2
and #3?
Just manually choose an antenna on start-up. Hm-m-m-m-m.
On Thu, Sep 30, 2021 at 9:54 AM David Ferrington, M0XDF <
m0...@alphadene.co.uk> wrote:
> Thanks Greg - guess I should learn to count!
>
Thanks Greg - guess I should learn to count!
73 de David, M0XDF
If people knew how hard I worked to get my mastery, it wouldn't seem so
wonderful after all. -Michelangelo Buonarroti, sculptor, painter, architect,
and poet (1475-1564)
> On 30 Sep 2021, at 15:46, Greg Mitchell wrote:
>
> It
It has 3 antenna connections, not 4. It grounds the unused ones and selects
antenna 1 on power-off. I put my dummy-load on antenna 1 so my station is
disconnected from the antennas when powered down.
On Thu, Sep 30, 2021 at 10:40 AM David Ferrington, M0XDF <
m0...@alphadene.co.uk> wrote:
> Sorry
Sorry if this is obvious, but I haven’t bought a KAT500 yet (to go with the
KPA500 I managed to pick up from a fellow ham). I’m aware there are 4
selectable antenna connectors. Does it ground or earth the ones not currently
selected?
73 de David, M0XDF (K3 #174, P3 #108)
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