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Author Topic: Antenna Recommendations  (Read 4081 times)
KA4NMA
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Posts: 510




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« on: October 23, 2017, 10:21:56 AM »

6m antenna question.  Which would you recommend and why?
1. Larsen NMO50B 6 Meter Antenna- Black
2.  Hamstick type such as MFJ 1606T or Procomm
3. 54" vertical (source for whip)
4. 2m 5/8 wave as 1/4 wave on 6m
5. Other

Randy Ka4nma
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AA2UK
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Posts: 297




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« Reply #1 on: October 23, 2017, 10:41:31 AM »

What will your primary mode of operation will be on 6?
If digital modes and SSB and you're looking for a small antenna I recommend a 2 element Moxon.
If your primary mode is FM pretty much any of the antennas you mentioned.
73, Bill
AA2UK
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G8YMW
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Posts: 656




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« Reply #2 on: October 23, 2017, 11:33:24 AM »

Looking at your list, looks like you're going mobile.
Depends on what 6 metres you are doing and with any other band.
A 2 metre 5/8 wave is as good as any.
If you are using 70 cms as well, the tri-band. Personally I wouldn't touch the quad bander as IMHO, 10 metres needs all the help it can get.
If you are not using the 6m repeater network, K0BG uses a halo so as you will be on the correct polarity for SSB (Not that it matters too much for ionospheric propagation)
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73 de Tony
Windows 10:  Making me profane since March 2017
KG4NEL
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Posts: 502




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« Reply #3 on: October 24, 2017, 10:52:53 AM »

Larsen, no question about it.
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AA2UK
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Posts: 297




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« Reply #4 on: October 24, 2017, 03:17:48 PM »

What type of operation, mobile, portable or fixed?
What is the primary emission FM, Digital, SSB Fox  DF?
Too many unanswered questions to give any meaningful advice....
73, AA2UK
Bill
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WB6BYU
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Posts: 17051




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« Reply #5 on: October 24, 2017, 04:16:15 PM »

6m antenna question.  Which would you recommend and why?
1. Larsen NMO50B 6 Meter Antenna- Black
2.  Hamstick type such as MFJ 1606T or Procomm
3. 54" vertical (source for whip)
4. 2m 5/8 wave as 1/4 wave on 6m
5. Other

Randy Ka4nma


IF you are using the antenna to operate mobile 6m FM, then I'd go with one
of the two Larsen NMO options mounted as high on your vehicle as you can
manage.  A permanent through-hole is much better than a mag mount.
If I already had a 3/8-24 mount on the trunk lip (or on the roof) I might
try the 54" whip instead, as long as the mount was installed with short
connections to make it suitable for VHF use.


In any other circumstance I'd likely choose a different sort of antenna,
particularly for SSB / CW operation where most stations will be horizontally
polarized.
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KA4NMA
Member

Posts: 510




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« Reply #6 on: October 25, 2017, 01:01:51 PM »

I will be operating ssb.
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WB6BYU
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Posts: 17051




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« Reply #7 on: October 26, 2017, 08:20:38 AM »

Then you will have best results with a horizontally-polarized antenna rather
than a vertical whip (unless you are only talking to a small group of local
hams who are also running vertical polarization.)

These will be mechanically (and aesthetically) more complex than a whip.
For example, a mast mounted on the back bumper with a 3' diameter halo
antenna on top.  There were a number of commercial antennas available
back in the 1960's, but I don't see as many today.  M2 offer a mobile
mount for their 6m HO loop, and W3DHJ has plans for building one from an
old lawn chair, based on W9SR's article in QST for December 2002.

That will give you some starting points at least.
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KB2FCV
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Posts: 2558


WWW

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« Reply #8 on: October 26, 2017, 12:28:18 PM »

Randy,
Do you plan on operating mobile or is this for the home station?

If you are planning on operating from home using SSB/CW/Digital I'd start with a rotatable antenna - yagi, moxon, etc. Most folks are horizontally polarized on 6.

If going mobile - I'm not well versed in 6m mobile operations.. but it looks like answers for mobile antennas are covered here.
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AA2UK
Member

Posts: 297




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« Reply #9 on: October 27, 2017, 03:42:11 PM »

For mobile an M2 Loop, PAR Omni or KB6Q Loop.
I believe the KB6Q loop is now made by another call sign.
Bill, AA2UK
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KD4LLA
Member

Posts: 500




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« Reply #10 on: November 14, 2017, 06:52:22 PM »

One lucky day (band opening) I talked to a ham op in Gitmo Bay w/ my RCI-5054DX and a 6 mtr hamstick bolted to a lawn chair in my yard.
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AA2UK
Member

Posts: 297




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« Reply #11 on: November 15, 2017, 08:44:24 AM »

One lucky day (band opening) I talked to a ham op in Gitmo Bay w/ my RCI-5054DX and a 6 mtr hamstick bolted to a lawn chair in my yard.
Ok so what are you thinking of using?
Bill, AA2UK
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KB1GMX
Member

Posts: 1496




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« Reply #12 on: November 17, 2017, 11:30:16 AM »

6M SSB horizontal.

Any of the loops work gain is not great.
A moxon is better
3element yagi better still.
Arrow antennas has a inexpensive 4 element that is touch as nails and a good 6M beam.
all of the beams need a rotator.

In all cases Higher is better.

Mobile, any of the loops or the mentioned lawnchair antenna
(built one still use it in the tower 11 years later as the backup omni).
The biggest issue with any loop on a mobile is securing it.  I went to
a bed and rail mount for strength in my Toyota Taco.

No mater what a marginal antenna will get you marginal results.
But I will everyone on 6M even a horizontal dipole is far better
than a vertical whip for local work and usually for Eskip as well.
It can be cheap too as wire works for that (about 115-117inches
tune for best SWR).

Allison
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K5CQB
Member

Posts: 230




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« Reply #13 on: November 17, 2017, 06:25:37 PM »

Try a Moxon rectangle.  It has a small footprint, is easy to build, forgiving and feeds fine direct.  I riveted mine together from some vertical scrap and an aluminum lawn chair.  Before I had my tower my rotator was me twisting the mast by hand.  The beamwidth on the moxon also works well using this method.

http://www.moxonantennaproject.com/

JR
K5CQB
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AA2UK
Member

Posts: 297




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« Reply #14 on: November 17, 2017, 07:07:56 PM »

I live in retirement community we're actually allowed to have amateur radio antennas as long they are minimal (try defining that). I use a PAR Moxon at 35' feet. I run anywhere from 700-800 watts. The antenna does a great job on E's, Au,and my favorite MSK144 digital MS or FT8 for lite E's. I'd highly recommend a Moxon for 6 meters to anyone wanting a compact antenna that performs.
73, Bill AA2UK
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