[TowerTalk] ground rods and angle...

David Robbins k1ttt at arrl.net
Sun Jan 17 11:29:24 EST 2016


Don't worry about sharp bends in ground conductors unless they are near a building or other object where side flashes may occur... see some of the discussion about this at these places:
http://lists.contesting.com/_towertalk/2012-04/msg00172.html
http://www.eham.net/ehamforum/smf/index.php?topic=82022.10;wap2
https://www.quora.com/Physics/Will-Bending-say-by-90%C2%B0-180%C2%B0-the-Wire-increase-the-Resistance-offered-to-electrons-in-Current
and many other places... the earliest reference I have found recently about not bending lightning rod conductors goes back to 1893, though there are likely earlier ones.

David Robbins K1TTT
e-mail: mailto:k1ttt at arrl.net
web: http://wiki.k1ttt.net
AR-Cluster node: 145.69MHz or telnet://k1ttt.net:7373


-----Original Message-----
From: TowerTalk [mailto:towertalk-bounces at contesting.com] On Behalf Of StellarCAT
Sent: Sunday, January 17, 2016 16:02
To: tower
Subject: [TowerTalk] ground rods and angle...

Just curious if any research has been done on angling ground rods... sharp bends in the grounding system are no-no’s as we all know... and taking that right angle at the top of the rod is just that. I was thinking if I angled the rod at 45 degrees I’d both increase the area of the ‘coverage’ (out further away from the towers – UFER) as well as reduce the angle between the cable and the rod... I know some have said longer rods work better (in most cases/grounds) ... but is that because of the depth or just the area covered? If the former than angling might not be such a good idea ... if the latter than it wouldn’t matter and it would help to achieve the two above mentioned goals. 

thoughts?

Gary 
K9RX
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