[TowerTalk] rf choke for vertical?

[Paul Christensen]

>What value L Paul?
>73, David G3WGN  M6O

The inductance of J.W. Miller 5252 choke is 125 uH.

https://www.mouser.com/datasheet/2/54/200_series-776798.pdf

Paul, W9AC

-----Original Message-----
From: David Aslin G3WGN <david at aslinvc.com> 
Sent: Sunday, December 16, 2018 1:32 PM
To: Paul Christensen <w9ac at arrl.net>; towertalk at contesting.com
Subject: RE: [TowerTalk] rf choke for vertical?



-----Original Message-----
From: Paul Christensen [mailto:w9ac at arrl.net] 
Sent: 16 December 2018 14:28
To: towertalk at contesting.com
Subject: Re: [TowerTalk] rf choke for vertical?

You want to ensure the that the choke's self-resonant-frequency isn’t within 80m.  I am using J.W. Miller 5252 chokes at the vertical base feed.  Purchased from Mouser.  

Prior to installing the Miller chokes on 80m and 160m verticals, high-voltage static was destroying my K3's SWR bridge Schottky diodes.  Zero problems after the chokes were installed.

Paul, W9AC

-----Original Message-----
From: TowerTalk <towertalk-bounces at contesting.com> On Behalf Of Jamie WW3S
Sent: Sunday, December 16, 2018 9:17 AM
To: towertalk at contesting.com
Subject: [TowerTalk] rf choke for vertical?

I’ve read/heard that an rf choke from the vertical to ground will help bleed off any static and help reduce noise levels on the vertical. For an 80m vertical, running 1200 watts, is the value/rating critical? 
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