Hello Mark:
Installing diodes can cause severe problems with nearby broadcast stations.
During the summer months and lightning months I remove my preamps from the
antenna elements to protect them.
I am now just getting them installed tomorrow morning to prepare for the Fall
Stew contest on Saturday.
Be careful making modifications that may hurt your array performance
73
Tim K3LR
-----Original Message-----
From: Topband [mailto:topband-bounces@contesting.com] On Behalf Of Mark Robinson
Sent: Thursday, October 17, 2019 8:54 PM
To: topband@contesting.com
Subject: Topband: Hardening the 8 Circle Receiving Array
I have the DX Engineering 8 circle receiving array sized for 80/160m .
It has been a fantastic performer but I have suffered damage to the
active antenna amplifiers on two separate occasions due to nearby
lightning strikes.
I am looking at a way to protect these amplifiers. I was wondering if I
can add a pair or dual series pair (4 diodes in total) of back to back
diodes - say 1N3600, across the input to ground terminals on each
amplifier. Will this affect the performance of the array in any way ?
73 Mark N1UK
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