Re: Topband: Current Distribution on Buried Radials Used With Vertical Monopoles

2015-03-10 Thread D Rodman MD
Heading back to the states in a few minutes. Quickly, wondering if one could measure antenna currents in the vertical portion of antenna with a pickup loop at various heights and compare with measuring ground currents at a common feed point before radials start or along a tight string pulled

Re: Topband: Current Distribution on Buried Radials Used With Vertical Monopoles

2015-03-10 Thread Eduardo Araujo via Topband
A specific description from you about the ground used for radials would be very interesting. 73, Guy K2AV Guy and all,   Unfortunately the only data about terrain is almost flat farm land conformed by humus and neutral PH. Before having the tower and just for fun, I decided to

Topband: Webinar - Grayline Propagation, or Florida to Cocos (Keeling) on 80m

2015-03-10 Thread Ken Claerbout
N4II's very informative Webinar has been posted to the World Wide Radio Operators Foundation (WWROF) web page. The 2013 VK9CZ DXpedition to the Cocos (Keeling) Islands made 51 QSOs with US Zone 5 on 80m. 21 of these QSOs – more than 40 percent – were with stations in Florida. This