[TowerTalk] FS: New-in-Box Force12 MAG620/340N antenna

[Mark Robinson]

Goodness me...no wonder I can't break those pileups..hi hi

Just interested how the 40m four square worked out as I am in the process 
off building one for 40m. My next job is to lay the radial field.


Mark N1UK


----- Original Message ----- 
From: "Bill Cotter" <n4lg at qx.net>
To: <Force12Talk at qth.com>; <towertalk at contesting.com>
Sent: Thursday, 28 July, 2011 10:22 AM
Subject: [TowerTalk] FS: New-in-Box Force12 MAG620/340N antenna


> Greetings,
>
> I have for sale a new-in-crate, unused Force12 MAG620/340N antenna.
> This is a MONSTER 6ele on 20M and 3ele on 40M on the same 47ft
> boom. It has 18.5sqft of windload and requires a tower such as
> Rohn-45/55, and a healthy rotor such as an Orion-2800 or a prop
> pitch unit. The June 2011 cost for this antenna is quoted as $5,367
> plus $400 shipping from TX to KY.
>
> High Resolution photos and manual summary:
>
> http://web.qx.net/bcotter/forsale/Force12%20MAG620340N%20antenna/
>
> I ordered (full-payment in advance) this from Force12 five years
> ago in the spring and it took almost 24mo to get it to my door.
> Between the production efforts, material supply issues and other
> problems, and the continuous delays, I opted for other antennas. I
> ended up using a 4ele20M 36ft boom and a 4-square on 40M.
>
> I have this unassembled antenna kit (crate is 150" x 25" x 25" and
> 400lbs) in my garage. The 47ft boom starts out 5" dia, tapers to
> 4", then 3" and finally tapers to 2-1/2". The mast plate (actually
> a cradle) is made from 18" x 18" x 1/2" aluminum, and all the
> elements are very heavy duty (N=100mph). The up-the-tower weight is
> stated to be 250lbs, but may be slightly more.
>
> My preference is to sell it pickup-locally. However, If you wish to
> use a freight carrier, I am good with a prepaid shipment. I am
> located in Nicholasville, KY outside of Lexington.
>
> $3,999 (save $1,768 w/pickup) or best offer...........
>
> 73 Bill N4LG
>
> (859) 552-7481 cell
> (859) 887-5563 home
> (859) 323-6474 work
>
>
> Antenna         MAG 620/340
> Boom Lngth      47'
> Wind Load       18.5
> Frequency in MHz 14.000-14.350
> Net Gain @74'1  13.6dBd
> F/B Ratio       23db
> VSWR (max)      <1.4:1
> Frequency in MHz 7.000-7.300
> Net Gain @74'   5.1dbd
> F/B Ratio       22db
> VSWR (max)      270kHz (2:1)
> Turning Radius  30.2'
> Wt.             230lbs (N=255lbs)
> Mast Torque     <1200in/lb
>
> MAG620/340 - 6ele 20, 3ele 40, 2 band Yagi, 2 feed lines, 44' boom
> $4,750
>
> http://www.texasantennas.com/index.php?option=com_content&view=article&id=177&Itemid=72
>
> "Magnum 620 and the 3 element 340N: Several enterprising customers
> added the "N"series elements to their existing Magnum 620/340
> antenna, with excellent results. We took the hint and expanded the
> design to accommodate the larger "N"series 40 meter elements. The
> boom has been increased in diameter and extended out to 47', plus a
> drop-in cradle mount. "
>
>
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