[aprssig] What a diffeence an antenna makes
Stephen H. Smith wa8lmf2 at aol.comMon Oct 31 17:43:51 UTC 2005
- Previous message: [aprssig] What a diffeence an antenna makes
- Next message: [aprssig] What a diffeence an antenna makes
- Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]
archer at eskimo.com wrote: >On Mon, 31 Oct 2005, Dave Baxter wrote: > > > > . > > >A turnstile might be ideal if you can physically fit it on there. >If not, shouldn't a 1/2 wave positioned vertically perform slightly >better than a 1/4 wave antenna on a car? > > > NO. A half-wave's maximum radiation lobe is straight out toward the horizon (perpendicular to the wire) while a quarter wave's maximum lobe is about 15-20 degrees above the horizon, actually making it better for things that are in the air rather than on the ground. Stephen H. Smith wa8lmf (at) aol.com EchoLink Node: 14400 [Think bottom of the 2M band] Home Page: http://wa8lmf.com "APRS 101" Explanation of APRS Path Selection & Digipeating http://webs.lanset.com/wa8lmf/DigiPaths Updated APRS Symbol Chart http://webs.lanset.com/wa8lmf/miscinfo/APRS_Symbol_Chart.pdf New/Updated "Rev G" APRS http://webs.lanset.com/wa8lmf/aprs Symbols Set for UI-View, UIpoint and APRSplus:
- Previous message: [aprssig] What a diffeence an antenna makes
- Next message: [aprssig] What a diffeence an antenna makes
- Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]
More information about the aprssig mailing list
