Try operating 160 and 10M mobile, you would be surprised at the daytime range even with low power into a 8' antenna on 160.
Carl KM1H ----- Original Message ----- From: "Mike Waters" <mikew...@gmail.com> To: "topband" <topband@contesting.com> Sent: Monday, May 07, 2012 9:04 PM Subject: Re: Topband: Monopole Radiation Patterns, takeoff angles etc > I'm pretty sure this surface wave at ~0 degrees elevation is useful on > (and > below) the AM broadcast band (especially the lower portion) and 160 > meters. > > But what about at 3.5, 5, 7, 10, 14, 18, 21, 24, and 28 MHz? That's what > I've been trying to figure out: exactly how useful is this radiation at > zero degrees on the different ham bands? > > Based on my experiences --and what I've studied-- since 1976, I'm not sure > that it is. > > 73, Mike > www.w0btu.com > > On Sun, May 6, 2012 at 10:10 AM, Richard Fry <r...@adams.net> wrote: > >> Note in the link below that the value of the surface wave at 1 km at an >> elevation of 50 meters is about 110 uV/m ... >> http://i62.photobucket.com/albums/h85/rfry-100/Space_Surface_Wave_Compare.gif > _______________________________________________ > UR RST IS ... ... ..9 QSB QSB - hw? BK > > > ----- > No virus found in this message. > Checked by AVG - www.avg.com > Version: 10.0.1424 / Virus Database: 2411/4983 - Release Date: 05/07/12 > _______________________________________________ UR RST IS ... ... ..9 QSB QSB - hw? BK