Topband: BOG question

[donovanf at starpower.net]

Hi Art, 


Signals arriving at the BOGs are not travelling in the ground, therefore 
their velocity of propagation (Vp) is unaffected by the ground. 


B roadside spacing should be 350 feet. 


Echelon spacing should be 70 to 130 feet, using W8JI crossfire- 
echelon phasing. 140 foot spacing significantly increases the signal level 
but produces slightly degraded RDF compared to 70 foot spacing. 


http://www.w8ji.com/echelon-log_beverages.htm 


The Vp of each BOG may be somewhat different, which may cause 
some uncertainty when attempting to phase them. There is negligible 
difference in the Vp of a pair of conventional Beverage antennas. 


73 
Frank 
W3LPL 

----- Original Message -----

From: "Art Snapper" <art at nk8x.net> 
To: "160" <topband at contesting.com> 
Sent: Thursday, October 1, 2015 1:28:15 PM 
Subject: Topband: BOG question 

I was thinking about phased BOGs. 

Would the horizontal spacing and/or stagger between them, be reduced due to 
the Vp change from ground proximity? 


Art NK8X 
ᐧ 
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