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Author Topic: Compact and best performing multi band mobile antenna....  (Read 495 times)
AJ6MA
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Posts: 117


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« on: August 27, 2019, 09:40:46 PM »

Is it a myth?

Easy to carry around (in an RV)...

Easy to setup....

Easy to tune...

Good to Great performance on 80 thru 10...

For example I've heard great things about the performance of AlexLoop Magnetic Loop Antennas but they are limited to QRP.
Is there an equivalent of it, for a 100W Rig?

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73, AJ6MA
Jim
WA1MOW
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Posts: 46




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« Reply #1 on: August 28, 2019, 10:36:53 AM »

I have had good results using an Alpha Antenna 6 to 80 vertical. I also use a pair of hamsticks using an MFJ dipole adapter, with a 16' painter pole. I use it with a piece of PVC pipe, attached with "U" bolts to the spare tire support. It also doubles as a flag pole.

I have "Worked All States" using the Alpha Antenna, it may not be the best, but it does the job. It only takes about 5 mins to put up and down.
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N2AYM
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Posts: 157




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« Reply #2 on: August 28, 2019, 11:01:09 AM »

My Comet SBB-14 performs extremely well on all 3 bands(2Mtr/6Mtr/440) as tested with
my Bird and many a radiation compare with single band antennas done at the fringe areas
of each band. This is the very best triband antenna I have ever had except for the lower
portion of 6 meters.
« Last Edit: August 28, 2019, 11:17:38 AM by N2AYM » Logged
K5LXP
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Posts: 6167


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« Reply #3 on: August 28, 2019, 05:04:19 PM »

Easy to carry around (in an RV)...
Easy to setup....
Easy to tune...
Good to Great performance on 80 thru 10...

What is "easy" - ?  What is "good to great" - ?

Quote
Is there an equivalent of it, for a 100W Rig?

"Easy" and "good" for me is a storage tote I keep in the basement that contains coax, bungees, parachute cord, and wire antennas of various types.  Also in the basement is a Jackite fiberglass pole.  With these building blocks I can deploy the best antenna for the situation no matter where I am.  In the mountains I can have a wire high in the ponderosas, or in the flat desert an inverted vee or vertical with the fiberglass pole.  Sometimes I'll take my Sigma 40M vertical dipole which I've found to be a decent performer for it's size on 40M.  Being a QRP veteran for a few decades now you will never catch me running "QRP" antennas, which are contrary to the goal of efficiency and effectiveness.

Mark K5LXP
Albuquerque, NM
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K0UA
Member

Posts: 4814




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« Reply #4 on: August 29, 2019, 05:21:14 AM »

Easy to carry around (in an RV)...
Easy to setup....
Easy to tune...
Good to Great performance on 80 thru 10...

What is "easy" - ?  What is "good to great" - ?

Quote
Is there an equivalent of it, for a 100W Rig?

"Easy" and "good" for me is a storage tote I keep in the basement that contains coax, bungees, parachute cord, and wire antennas of various types.  Also in the basement is a Jackite fiberglass pole.  With these building blocks I can deploy the best antenna for the situation no matter where I am.  In the mountains I can have a wire high in the ponderosas, or in the flat desert an inverted vee or vertical with the fiberglass pole.  Sometimes I'll take my Sigma 40M vertical dipole which I've found to be a decent performer for it's size on 40M.  Being a QRP veteran for a few decades now you will never catch me running "QRP" antennas, which are contrary to the goal of efficiency and effectiveness.

Mark K5LXP
Albuquerque, NM


Mark it sounds like you have done your share of operating portable.
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73  James K0UA
ARRL Missouri Technical Specialist
K5LXP
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Posts: 6167


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« Reply #5 on: August 29, 2019, 08:27:54 PM »

Well, it doesn't take too many trips to figure out that you either get real with the antennas or get used to not making contacts.  The alex-buddi-loop-tak gizmos are more about selling the notion of operating portable and not so much doing so successfully.  Watching the seasoned QRP and SOTA guys ply their craft is inspiring, truly doing more with less.  Might take me a few more minutes to get that wire 75 feet up into the pines than setting up a $500 wonder wand antenna, but I guarantee I'll be spending more time making contacts with the antenna than futzing around with the antenna.  With all the junk I can take in the RV I can set up a station in the woods that rivals or beats what many hams have set up at home.  I love portable and mobile HF, it's been one of the most fun and rewarding aspects of the hobby for me.

Mark K5LXP
Albuquerque, NM
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K0UA
Member

Posts: 4814




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« Reply #6 on: August 30, 2019, 09:08:00 PM »

Unfortunately a lot of fellas I have worked with have almost next to nothing for HF antennas at home. Some not even as good as the screwdriver antenna on my truck. And so many nowadays live with SO much electrical noise at their home station.  I know, I have seen it on their waterfalls while doing screen-shares.  Start with low signal strengths from very marginal antennas, and then mask what signals you do have with noise.
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73  James K0UA
ARRL Missouri Technical Specialist
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