Re: Topband: spark gap construction ideas for 160m tower

2019-10-06 Thread Rob Atkinson
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: https://www.radioworld.c

Re: Topband: spark gap construction ideas for 160m tower

2019-10-06 Thread Lloyd - N9LB
See: https://www.qrz.com/DB/w9gl ( scroll down to 3rd picture ) Copper float balls available at any hardware, home improvement or plumbing supply store. -Original Message- From: Topband [mailto:topband-boun...@contesting.com] On Behalf Of Jeff Blaine Sent: Sunday, October 06, 2019 1:

Re: Topband: spark gap construction ideas for 160m tower

2019-10-06 Thread donovanf
Just purchase them, they're not expensive. For example: www.antiquelampsupply.com/3-8-dia-brass-ball-tap-6-32f.html?gclid=EAIaIQobChMI_auMy7GI5QIVho7ICh2C4wEvEAQYAyABEgJFGPD_BwE 73 Frank W3LPL - Original Message - From: "Jeff Blaine" To: "topband" Sent: Sunday, October 6, 20

Re: Topband: spark gap construction ideas for 160m tower

2019-10-06 Thread Wes
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 s

Re: Topband: spark gap construction ideas for 160m tower

2019-10-06 Thread JAYB1943
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

Topband: spark gap construction ideas for 160m tower

2019-10-06 Thread Jeff Blaine
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 c