Some Verticals like the gap have a radiel system built in.  If this antenna 
says that it can be tower mounted, then it must have some way to create a 
counterpoise.
----- Original Message ----- 
From: "Michael Ryan" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Monday, March 22, 2010 12:01 PM
Subject: tower mounted vertical VS ground mounting...


> Hi list:=20
>
> Just looking at some specs of a Zero Five 43F vertical.=20
> It says that it can be either ground mounted or on a tower.=20
> Can understand ground mounting because most verticals, to function =
> properly, require a ground radial system with a min of 16 radials cut =
> for the band you want to operate.=20
> So, why would you mount this kind of antenna on a roof or tower?=20
> If you add height, could you reduce the radial requirements?=20
>
> Oh, before I run:=20
> Still waiting on some digipan and window eyes 6 assistance and a =
> recommendation on a screen reader friendly CW decoder.=20
>
> 73:=20
> Mike=20
>