Tom and Don,
I think the problem has cured itself. Now only the ant1 external meter
reads power when ant1 is selected. Before both ant1 and ant2 were reading
power when ant1 was selected. There's no indicator on ant1, just on
ant2. I was mistaken about that. Tnx for the response.
At 07:54 AM 4/1/2005, Tom Hammond wrote:
Charles:
I'm not aware of ANY 'signaling' in the KAT2 which 'senses' relay
position. As a result, even though the relay might be stuck, there's NO
REASON I can think of that the indicator would remain on ANT1 unless the
logic is not telling the relay to switch... e.g. the logic should still
think ANT2 has been selected and it should still illuminate the ANT2 LED
regardless of whether the relay switched or not!
73,
Tom N0SS
At 08:40 PM 3/31/05, you wrote:
Hi,
One of the relays in my KAT2 is stuck or a relay contact is shorted. When
you select antenna 1 it is ok. When you select antenna 2 both antennas
are selected (bad), and the indicator stays on Ant1. I guess replacing
the relay is necessary. I don't know why it stuck. I first noticed it
this morning while running the 5 watt beacon on 14102 KHz testing my EH
antenna against my Hustler 6BTV vertical. Both external SWR meters read
and the antenna was detuned. The beacon software is not supposed to hot
switch, and the SWR on both antennas is less than 1.8:1. I have been
running the beacon for over a month, and it switches antennas from 1 to 2
and back to 1 every 5 minutes. We have had only one lightning storm since
the summer, and that was about a month ago. My K2 is S/N 462, but it has
not seen hard or frequent use. Seems the relays should be good for more
cycles than that.
Any suggestions which relay is malfunctioning or why?
73, Chas, W1CG
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73, Chas, W1CG
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