Has anyone been using it with digital modes in any context ?

N1KTJ


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It's just a good interesting idea. But is there not a lightning risk from having that cable snakes across your roof and open ended?


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Quote from: gil on April 26, 2018, 07:03:21 AM
Loops can be very efficient, but small loops sold by most antenna companies are just too short. Best for 20/30/40m would be a 19ft perimeter loop.

Gil.

And that can handle 100w with all components. Not just QRP. If you can find one.


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Quote from: johno on April 23, 2018, 11:05:16 PM
I've tried different antennas for my RV, using my ICOM-7000 with the AH8 tuner and a long wire or a Buddy Pole.  It's hard to put up an antenna with other campers around and the park rangers don't want anything hanging from trees, and I'm afraid someone will walk into the tips of the Buddy Pole.  So, I've started using an Alpha magnetic loop with my HB1B and some RG-6.  RG-8 weighs more than the loop and the radio combined and is awkward to store.  The RG-6 "seems to be" ok for this, but I'm still in the trial stage.  Also, in case I break the coax, RG-6 and connectors are available just about everywhere.

The only real problem I've had with the loop is the little tripod it came with is junk, and after about the first 15 minutes I got my regular camera tripod out and suspended a part of a tractor 3 point hitch iron from it with a bungee cord because of gusty winds.  The loop receives very well, and many time signals are so strong it's hard to tune in the exact station I want, they are all so close together.

Anyone have experience with a magnetic loop antenna? 

N5AZO/WQYX855

Have an RV and just sold my loop. It was QRP only. Good for digital jt65 but not a lot else. Saw a few videos on YouTube about loops and respectable hams mention it's not very efficient with its RF.

Suggestion 1: look at EAGLE antennas. They have an RV set up that many love. Mounts on the ladder.

Suggestion 2:  MFJ big ears.  Bought that set up as other ham club members have the same. Great for portable at 100w output.

N1KTJ


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Quote from: Jon_Garfio on April 11, 2018, 03:50:49 PM
Here you are a dipole that I just made to bring It to mountain into the backpack.

I try to get performance with ligher weight.

The video is in spanish lenguage but if somebody needs any info I don't have any problem to share It.

https://youtu.be/c5g7npwVeXo

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Do you have YouTube automatic subtitles turned on for language conversion? Assuming YouTube does that?


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Quote from: gil on March 19, 2018, 09:14:49 PM
EARCHI 9:1 UNUN between the tuner and barb wire... No ground. Using the lower wire as a reflector would probably help though.

Gil.

But can you not tune anything and everything?  Just that 99% of RF energy is inside the feed line or inside the radio tuner?


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Looking on eBay. The kits being sold do not have any internal battery. So you need to rig up a battery cable for 12v or put together an eight AAA cell holder. Can't find any with an aluminum case on eBay.  Think I would spend $30 more fir a total of $80 if it had a metal case and battery. But so far not finding that.


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It's $50 on eBay now. There is some good shift ware available also for $5 on eBay.


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Quote from: caulktel on July 12, 2017, 05:54:15 PM
I would love to buy your 817, but I have no $$$ right now:-( I saw it on QRZ also.

Joel
N6ALT

Sold it already. Someone got a good bargain when they talked me down.


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817 is $450 used. This is $250. Good bargain difference in price.


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Selling my FT-817 radio. Works fine and tested. Has original box, original manual, original strap, original microphone D.C. Power cable, original alkaline battery holder. Will include  NIFTY mini-manual, factory manual, Bluetooth interface Ct-62, CAT interface, external heat sink. $550 or best offer, shipping included . - N1KTJ



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Has anyone bought this and tried it out? Looks better than a used 817 radio but would still need more testing. Would think it would have a ANTENNA TUNER module to be comparable. Plus the HF AMP. Any combination that is less than $1000 I suppose.


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Is it worth it for $250 versus a used HF radio ? 


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How does this compare to a simple SWR power meter?


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Quote from: gil on May 13, 2017, 01:56:12 AM
Good one Sparks. I used Ham University on iOS and KMTPro on Android. I like the feature that lets you listen to current news in Morse code...

Gil.

Can't find ham university in IOS at all. Is this an old application ?


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