One other situation, above large quantities of dry ice, Antarctica or perhaps Greenland.
Frank W3LPL <donov...@starpower.net> wrote: > Radials have no useful effect in improving low angle radiation, low angle > radiation from vertical antennas is determined almost entirely by highly > conductive soil or salt water in the large reflection zone. > -- Brian D G3VGZ _________________ Searchable Archives: http://www.contesting.com/_topband - Topband Reflector