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Re: [Amps] QRO operation into a 80 meter vertical

To: <donroden@hiwaay.net>, <amps@contesting.com>
Subject: Re: [Amps] QRO operation into a 80 meter vertical
From: "Carl" <km1h@jeremy.mv.com>
Date: Thu, 20 Feb 2014 19:11:50 -0500
List-post: <amps@contesting.com">mailto:amps@contesting.com>
No room for 1/8 wave spaced inverted vee's with about 145 degree phasing to kill all the high angle and get some decent gain?

Carl
KM1H




----- Original Message ----- From: <donroden@hiwaay.net>
To: <amps@contesting.com>
Sent: Thursday, February 20, 2014 6:43 PM
Subject: [Amps] QRO operation into a 80 meter vertical


Slightly OFF TOPIC , so respond direct please.

I have a 145 foot Rohn 45G with insulated guys, but grounded base in concrete.

no room for radials ... 33 feet at most over 60 degrees.

Tower is between hamshack ( house ) and garage
and concrete drive ( 300 degrees = no radials )

I would like to experiment with a ground independent (or less ground dependent) 1/2 wave vertical radiator ..... a vertical dipole hung from 145 feet, maybe six feet from the tower face or leg. Fed in the center or at the bottom.

Similar to a sloper, but closer to the tower. Maybe connect the dipole to the top of the tower and feed it like a folded unipole ?? Open to all suggestions.

I'd love to hear how you constructed your high impedance tuners too.

Don W4DNR

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