[Antennas] 30 Meter Inverted Vee on 10M?

Chris Boone CBoone at earthlink.net
Sat Dec 2 17:09:01 EST 2006


At 30MHz, the b/w will not be enough to cover down to 28.4 or so with a
decent SWR...not to mention there will significant lobes/nulls off the
antenna due to operating at a harmonic (though 3rd is not that bad).
Personally, I would use the newer antenna on 10 or a vertical or a 1/2wl
dipole for 10....cut the 40 for 17m and you can use that on 6.
 
Chris
WB5ITT

> -----Original Message-----
> From: antennas-bounces at mailman.qth.net 
> [mailto:antennas-bounces at mailman.qth.net] On Behalf Of Philip
> Sent: Saturday, December 02, 2006 4:01 PM
> To: Antennas
> Subject: [Antennas] 30 Meter Inverted Vee on 10M?

> 
> QUESTION:  Anybody have any idea about how wide of a 
> bandwidth I could expect from this critter?  I'd like to also 
> use it on 10M (when that band is
> open) to give me an additional antenna for that band (in 
> addition to the DX-EE).  I suspect the bandwidth at 30+MC 
> will be wider than it's bandwidth would be at 10MCS.
> 
> By the way, the first antenna was put back up yesterday, the 
> roof mounted Butternut HF-2V for 75/40M.  It's tuning changed 
> slightly, probably because the aluminum awnings on either 
> side of the mobile home were raised slightly and/or placement 
> of the ground radial wires I have laying across the metal 
> roof (to insure good coupling to all the individual metal 
> sheets).  It's also connected directly to the metal roof in 
> two places.  The SWR's are good, it 'seems' to be quieter 
> than before and the signal reports that I get seem to 
> indicate that it's performing very well (though only time 
> will tell on that one).  But that location above the metal 
> roof has always proved to be good for a vertical antenna as 
> it's surrounded on ALL sides by metal groundplane.
> 
> 73 de Phil,  KO6BB



More information about the Antennas mailing list