Topband: 4W6A

2011-09-25 Thread Kev Haworth
Dear Topbanders.. On behalf of the team of 4W6A, can I pass on sincere thanks for your help and constructive crticism of the operation. Over 40,000 contacts were made, and judging by the response, an excellent showing was made on 160M. Thanks once again.. Kev M0TNX Assistant QSL manager/web ad

Re: Topband: Effect of current max not at base of vertical.

2011-09-25 Thread Darl DEEDS
Or driving around and the AM BCB got much louder when driving over a railroad track. I wonder what would happen if my radial system would be the tracks, only one since I don't want to trip the signal. But the train every hour would probably cause lots of issues, not to mention the railroad poli

Topband: Effect of current max not at base of vertical.

2011-09-25 Thread Richard Fry
Guy Olinger wrote: >EZNEC's "fresh water" selection shows a conductivity of .001 (very >unconductive). So it's talking about Great Lakes fresh water away from >urban polution. The conductivity chart for the continental U.S. published by the FCC shows a conductivity of 8 mS/m for the Great Lakes.

Re: Topband: Effect of current max not at base of vertical.

2011-09-25 Thread Dan Zimmerman N3OX
On Sat, Sep 24, 2011 at 3:30 PM, Guy Olinger K2AV wrote: > EZNEC's "fresh water" selection shows a conductivity of .001 (very > unconductive). So it's talking about Great Lakes fresh water away from urban > polution. Leaving the conductivity at 1mS/m and changing only the permittivity from 10 to