I would go with the M2 6M7, about the same as the 6M7JHV I can hear the same
signals as guys close to me that use the M2 6M7. The only real difference is
the F/B (does not matter much on 6 meters).
I had the Cushcraft 617-6B up a while ago and I was always suspicious that
the SWR was always so low across the band and then some, like it stayed the
same from the beginning of the band to the end.
If I remember the Cushcraft seemed to have a fairly wide beam width
considering it had 6 elements and a long boom, I always thought that
Cushcraft were pretty enthusiastic as to their claims to gain even with
their HF antennas.
Mike/K6BR
-----Original Message-----
From: TowerTalk [mailto:towertalk-bounces@contesting.com] On Behalf Of Steve
K7AWB
Sent: Saturday, April 13, 2013 4:20 PM
To: towertalk@contesting.com
Subject: [TowerTalk] 6 meter antenna comparisons
I have a choice of two 6-meter yagis to put up at the 112 foot level on my
tower. A Force 12 5BA ( 5 band, 15 element HF) goes at the tower top at 103
feet and above it about 9 feet will be the 6-meter yagi.
I have both a used M2 6M7 (7 element) and a Cushcraft 617-6B (6 element). I
don't want to use my 6M7JHV because I am saving it for an array latter.
The M2 6M7 is rated at 10.5 dbd while the Cushcraft is rated at 14 dbd in
the manual although, in the VE7BQH list, is shows at 10.17 dbd and I take
company specifications with a grain of salt. The Cushcraft has a 34 foot
boom while the M2 has a 26.5 foot boom; both weigh about the same. The
VE7BQH list is at: http://www.bigskyspaces.com/w7gj/6mTable.htm
Anyone have any opinions on which one to use? The purpose of the antenna is
to work the "weak" ones.
73
Steve Sala
K7AWB
DN17es
Nine Mile Falls, WA
491 ARRL approved 6-meter grids confirmed
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