Topband: spark gap construction ideas for 160m tower

[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 snow, ice, rain here and a spark gap needs to keep 
> that stuff off.  But put a little cover over it, right?  Well, yes but if the 
> cover is not fully enclosed, then you have wasps and spiders making nests 
> there.  If it's enclosed, then you have condensation and ants.
>
> I like the idea of W8JI's two balls close to each other - the surface area is 
> large so accumulated pitting won't change the spacing and thus the BDV much.  
> And the water will drain off away from the contact points.  But what does a 
> guy make that out of if he does not have a set of brass balls in his junkbox.
>
> 73/jeff/ac0c
> alpha-charlie-zero-charlie
> www.ac0c.com