Topband: How were CQWWDX-CW Test cndx on TB at YOUR QTH?

[W3HKK at roadrunner.com]

Id give it a 6.5. Europe was plentiful on FRI night, but with just
fair sigs. SA-CA-Carib fair. I tried very hard to work a loud LU8 with
no success! 

No Asia. No Pacific. No Africa. 

Thank you KL7RA! 

Station: IC7610 - ACOM 1000 - N1MM+
Antennas: SAL 30 rx antenna. 52 ft tall 1/4 wave INV-L in a 40 ft
walnut tree with the horizontal leg running SE. All 27 radials (
30-130 ft long depending on PL) were neatly coiled up, hanging from
the lowest branches of said walnut tree. (Maybe I can lay them out
before this weekends ARRL 160m Test.)

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Cc: 
Sent: Monday November 29 2021 12:00:49PM
Subject: Topband Digest, Vol 227, Issue 27

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 Today's Topics:

 1. W1FV 9-Circle Feedline & control Line Chokes? (Rich Dailey)
 2. Re: W1FV 9-Circle Feedline & control Line Chokes? (John Kaufmann)

 ----------------------------------------------------------------------

 Message: 1
 Date: Mon, 29 Nov 2021 08:13:48 -0500 (EST)
 From: Rich Dailey 
 To: "topband at contesting.com" 
 Subject: Topband: W1FV 9-Circle Feedline & control Line Chokes?
 Message-ID:

 Content-Type: text/plain; charset=utf-8

 Homebrewing a 9-circle vertical array, and I'm looking for opinions
from other 9-circle users on
 what chokes you're using on the feedlines (rg-6) at the switch box,
and on the control line. I can go the
 binocular core route with rg-174, as per W1FV's article, but would
prefer the simplicity of several turns through a snap-on choke.
 tnx!
 73 de Rich, N8UX

 ------------------------------

 Message: 2
 Date: Mon, 29 Nov 2021 10:53:12 -0500
 From: "John Kaufmann" 
 To: "'Rich Dailey'" ,

 Subject: Re: Topband: W1FV 9-Circle Feedline & control Line Chokes?
 Message-ID: 
 Content-Type: text/plain; charset="us-ascii"

 You can make a feedline choke with snap-on ferrites as follows: wind
4
 turns of the feedline through 5 snap-on cores of Fair-Rite part
#0431176451.
 The core has an inner diameter of about 3/4 inch and 4 turns of RG-6
is the
 limit of what will fit in the core. However, using 5 cores will
provide a
 large total choking impedance (~10 kohm) on 160. A larger core will
accept
 more turns but at significantly more cost for the cores. The
advantage of
 making chokes with RG-179 wound through smaller cylindrical cores is
the
 much lower cost, although it's a bit more work to make these chokes.

 73, John W1FV

 -----Original Message-----
 From: Topband
 [mailto:topband-bounces+john.kaufmann=verizon.net at contesting.com] On
Behalf
 Of Rich Dailey
 Sent: Monday, November 29, 2021 8:14 AM
 To: topband at contesting.com
 Subject: Topband: W1FV 9-Circle Feedline & control Line Chokes?

 Homebrewing a 9-circle vertical array, and I'm looking for opinions
from
 other 9-circle users on
 what chokes you're using on the feedlines (rg-6) at the switch box,
and on
 the control line. I can go the
 binocular core route with rg-174, as per W1FV's article, but would
prefer
 the simplicity of several turns through a snap-on choke.
 tnx!
 73 de Rich, N8UX
 _________________
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 End of Topband Digest, Vol 227, Issue 27
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