Search String: Display: Description: Sort:

Results:

References: [ +from:epcolton@gmail.com: 2 ]

Total 2 documents matching your query.

1. Re: Topband: Adding chicken wire or mesh on top of radial field (score: 1)
Author: Eugene Colton <epcolton@gmail.com>
Date: Mon, 29 Jan 2018 10:50:43 -0700
My experience it helped a lot on top of my minimal 160 radial field by adding much wire square footage to the ground radials. It might not add much improvement to a very extensive 160 radial field ho
/archives//html/Topband/2018-01/msg00275.html (7,897 bytes)

2. Re: Topband: Air wound coil (score: 1)
Author: Eugene Colton <epcolton@gmail.com>
Date: Sun, 2 Sep 2018 20:25:28 -0600
Jim, @ say, 1.83 MHz, the electrical length of your vertical is about 47.4 deg, necessitating a top hat of about 42.6 deg. I followed the prescription of John, ON4UN and calculated out a surge impeda
/archives//html/Topband/2018-09/msg00014.html (10,327 bytes)


This search system is powered by Namazu