construction ideas for 160m tower
If you gap a pair of spheres graphite, brass, or stainless
steel... typically the thickness of a credit card for a 1/4 wave
broadcast tower at 1KW carrier / 4KW peak; unless you shield the gap,
water WILL bridge the gap either side-by-side or stacked
If you gap a pair of spheres graphite, brass, or stainless
steel... typically the thickness of a credit card for a 1/4 wave
broadcast tower at 1KW carrier / 4KW peak; unless you shield the gap,
water WILL bridge the gap either side-by-side or stacked vertically.
Rain drops are
>Curious as why non resistor spark plugs aren't on the list of choices. Easy to
>gap. Pt-Pt electrodes last forever (100k miles). There was a ham mounting two
>on a Cu plate for ladder line, but that was many years ago. <
That can work but the other construction methods offer a wider range
of
19:08:17 -0500
From: Rob Atkinson
To: topband@contesting.com
Subject: Re: Topband: spark gap construction ideas for 160m tower
https://www.radioworld.com/tech-and-gear/understanding-arc-gaps-for-am-systems
https://www.thebdr.net/articles/steel/twrs/LimitingStatic.pdf
https://www.kintronic.com
Date: Sun, 6 Oct 2019 19:08:17 -0500
From: Rob Atkinson
To: topband@contesting.com
Subject: Re: Topband: spark gap construction ideas for 160m tower
https://www.radioworld.com/tech-and-gear/understanding-arc-gaps-for-am-systems
https://www.thebdr.net/articles/steel/twrs/LimitingStatic.pdf
https
/products/isolation/toroids-spheres-corona-nuts.html
Paul, W9AC
-Original Message-
From: Topband On Behalf Of GEORGE WALLNER
Sent: Monday, October 7, 2019 9:10 AM
To: Jeff Blaine ; topband
Subject: Re: Topband: spark gap construction ideas for 160m tower
Jeff,
I use stainless steel acorn
Jeff,
I use stainless steel acorn nuts on the ends of matching screws. Not a
complete ball, but the facing surfaces are rounded.
George,
AA7JV
On Sun, 6 Oct 2019 13:27:58 -0500
Jeff Blaine wrote:
I need to add a spark gap of some sort onto my full-size 160m insulated-base
tower.
There are a number of ways of making a ball gap. but more important
is arriving at the correct spacing for the gap.
The way rain is handled is usually by positioning the balls one above
the other so a water bridge doesn't form between the balls.
Read this by Mark Persons:
:28 PM
To: topband
Subject: Topband: spark gap construction ideas for 160m tower
I need to add a spark gap of some sort onto my full-size 160m insulated-base
tower. Looking for ideas.
Making the spark gap is simple. What has me asking for ideas is the weather
element - we have a lot of snow
t: Sunday, October 6, 2019 6:27:58 PM
Subject: Topband: spark gap construction ideas for 160m tower
I need to add a spark gap of some sort onto my full-size 160m
insulated-base tower. Looking for ideas.
Making the spark gap is simple. What has me asking for ideas is the
weather element - we hav
Spark has been prohibited since 1934. :-)
On 10/6/2019 11:27 AM, Jeff Blaine wrote:
I need to add a spark gap of some sort onto my full-size 160m insulated-base
tower. Looking for ideas.
Making the spark gap is simple. What has me asking for ideas is the weather
element - we have a lot of
Hi Jeff – try toilet tank float balls..I think I have still seen them around
in Copper ...73 jay NY2NY
_
Searchable Archives: http://www.contesting.com/_topband - Topband Reflector
I need to add a spark gap of some sort onto my full-size 160m
insulated-base tower. Looking for ideas.
Making the spark gap is simple. What has me asking for ideas is the
weather element - we have a lot of snow, ice, rain here and a spark gap
needs to keep that stuff off. But put a little
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