[50mhz] SIX METER DISTANCE

CBoone CBoone at earthlink.net
Sat Jul 23 22:38:08 EDT 2005


7.2dBi is ~5.1dbd (7.2 - 2.15)....kinda high for a 5/8wl whip over a regular
ground plane!
3db is more like it.....but actually less.

Chris
WB5ITT


> -----Original Message-----
> From: 50mhz-bounces at mailman.qth.net 
> [mailto:50mhz-bounces at mailman.qth.net] On Behalf Of Mike 
> (KA5CVH) Urich
> Sent: Saturday, July 23, 2005 6:50 PM
> To: 050 Mhz
> 
> On 7/23/05, Don <wxfreqrs at cableone.net> wrote:
> 
> > power is TWIN 125 NISSANS will do 38-40 KTS top end and 
> will be using 
> > a HUSTLER cg-144 5/8 whip
> > 7.2 DBi
> > powered by a IC-v-8000 75 watts out
> 
> Mike wrote
> 
> Sorry but hp and speed don't mean a thing to this discussion. 
> :-) You didn't tell us a thing about the boat.  What's the 
> maximum possible height to mount an antenna?  Next there 
> ain't no way on God's green earth or water blue in this case 
> you are going to get 7.2DBi out of a
> 5/8 wave whip on 144.  Half that would be more like it.  What are you
> using for a counterpoise and / or mounting system?   Also FM may or
> may not cut it, SSB or even AM would be more likely to pull it off. 
> Remember on V/UHF frequencies its all about elevation and you 
> are going to have to get whatever antenna up in the air



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