[Elecraft] K3S HI SIGNAL

[donovanf at starpower.net]

Hi John, 


No, they are all pointed in exactly the same direction. 



To eliminate all interference between multiple K3 transceivers 
operating in the same band, all W3AO HF antennas are deployed in 
a 10 00 foot long straight line running north-south with all of our 
3 element HF Yagis and 2 element 40 meter Yagis pointed west. 
All of our dipoles are broadside east-west. 


There's no trace of interference among any of the K3 transceivers 


73 
Frank 
W3LPL 

----- Original Message -----

From: john at kk9a.com 
To: elecraft at mailman.qth.net 
Sent: Monday, June 25, 2018 5:34:37 PM 
Subject: [Elecraft] K3S HI SIGNAL 

What does tip to tip mean - pointing 90 degrees apart? 

Don't you use verticals for your mult stations at W3LPL to minimize in 
band interference? How far are they from the Yagis? 

John KK9A 


Frank Donovanf W3LPL wrote: 

We routinely operate three or more K3 transceivers on the same band 
at W3AO, four on the band our GOTA station is operating. Not only 
is there no damage to the K3s and no HI SIG warnings, we don't hear 
any cross-station interference at all! 


The trick is to use horizontally polarized antennas installed tip-to-tip 
with at least 100 feet of spacing between each other. 


73 
Frank 
W3LPL 

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