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
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
Spark has been prohibited since 1934. :-) 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 th
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 -- Ori
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. I need to add a spark gap of some sort onto my
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
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 Making the spark gap is simple. What has me asking for i
Here's a DIY article from Jeff Welton at Nautel: http://support.nautel.com/tips-n-tricks/how-to-make-roll-your-own-carbon-ball-gaps/ The carbon spheres that Jeff mentions are made by Ross Engineering
<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
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 wa
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,
My quarter wavelength vertical tower (driven element in my vertical parasitic array - see last 3 editions of the ON4UN low band DXing book) has a shorted quarter wavelength of coax connected to the f