[TowerTalk] G5RV pros & cons

[n4kg@juno.com]

On Fri, 24 Aug 2001  <k3hx@juno.com> writes:
> 
> I'd be grateful to know the technical pros and cons of the G5RV  
> used 80-10m.  I can install one 42' high.
> 
> 73 > Tim  K3HX
> 

Here's a copy of a post I made on the G5RV Pattern 


G5RV  PATTERN   de  Tom  N4KG  (11/26/97)

The G5RV is a 100 foot center fed wire antenna.  
Think of it as a long wire for each band and look up the patterns 
for each length in the ARRL  Antenna Book or other source.

80M     .35 WL  "short" dipole  figure 8 pattern broadside to wire

40M     .70 WL   "long" dipole   figure 8 pattern broadside to wire

30M     2X .5 WL  Two Half waves in phase - figure 8 pattern 50 degrees
wide
				     broadside to wire
20M      3/2 WL current fed LW - 6 lobes - 4main lobes approx 35* to wire
				2 minor lobes broadside to wire
17M      2X  1 WL voltage fed LW's - 4 lobes approx 40* to wire

15M      2X  1.1 WL voltage fed LW's - 4 major lobes, possible minor
	(this is my "intuitive analysis...check w/modeling program)
12M      5/2 WL current fed LW - 10 lobes - 4 main lobes approx 30* from
wire

10M      2X 3/2 WL  voltage fed LW - 6 lobes - 4 main lobes approx 35* to
wire
				       2 minor lobes broadside to wire

de  Tom  N4KG
............................

On Tue, 25 Nov 1997  ftbrady@le.klever.net (Frank T. Brady) writes:

>Fellow Towertalkians:
>
>Until I get my tower up, I want to try to find a place for a full size 
>G5RV.
>
>Eventually, I want to play it against a vertical so that I can make
>improvements in each until I have the best 'permanent' reference 
>antenna.
>
>Q: Are the major lobes of the G5RV documented for each band 
>so that I can position it in the best direction - or is it somewhat 
>omni-directional?  The easiest run would be between a 50ft mast 
>and the only tall tree available,
>but this would be running North and South - the orientation I've 
>always tried to avoid with other wire antennas.
>
>Tx & 73s
> Frank T. Brady - W0ECS
> Wildomar CA (65 mi N of San Diego)
>

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