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Tak-tenna Ham Radio Antenna

Discussion in 'Amateur Radio Antennas' started by Tallman, Aug 13, 2014.

  1. Tallman

    Tallman W9WDX Amateur Radio Member, KW4YJ EXTRA class

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    I have been looking at these for a while and if they truly work I most probably will buy two of them. One horizontal on a rotator and one vertical.
    Has anybody had any experience with these antennas or the company? This would be better than the multi-band vertical antennas in that no buried ground planes required.


     

  2. Justme

    Justme Active Member

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    It is a very shortened dipole where on both ends of that shortened dipole large capacity's are made of the wire.
    Most results I heard were not really good, it will transmit, but so will any piece of wire.
    The results most get is that the TAK antenna will be 2 to 3 S points down on even an baby G5RV antenna.
    Betting that through the high capacity hats bandwidth will be small as well, you will need a very large range tuner with it and feed it with open line.

    As with most shortened antenna;s there is no wonder antenna, shortening a dipole further as 70% of the full length will cost you signal.
    Just my 2 eurocents ;)
     
  3. warrior369

    warrior369 W9WDX Amateur Radio Club Member

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    I've not used this particular antenna, agree totally with the poster above and would like to add a few comments.
    I read all the reviews on eham and most say it works fine/great etc (5/5) and some say its a dummy load (0 or 1/5).
    A capacitively loaded short dipole will be tricky but not impossible to tune. The coax may or may not form part of the transmit RF via CMC (common mode currents). One way to check this is to insert an RF choke as close to the feedpoint as possible and use a short as possible length of coax as you can.

    There are so many environmental RF variable at play here its tricky to decide which way to go. If you are short on space or have planning issues with antennas, I guess this antenna is better than no antenna.
    Buy or build one and see how it goes, each antenna installation system is unique and your variables may lend itself to these types of antennas performing well - suck it and see.
    I hope it goes well.
     
  4. Mudfoot

    Mudfoot Sr. Member

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    Operators that are forced to use limited space antennas will almost always rate a wet noodle 5 stars on Eham. They're just so damn happy that anything works.

    However, I subscribe to the notion that anything is better than nothing.
     
    Captain Kilowatt likes this.
  5. Justme

    Justme Active Member

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    It is difficult to make an antenna that will not radiate, question is how effective the antenna is.
    Having nothing or a TAK antenna will make that TAK antenna your only antenna, having nothing to compare it to will lead to the glowing reviews...

    IF you like me are used to a FD-4 OCF antenna at 50 feet up, or the IMAX 2000 for 10/12 or the 77 feet inverted L with 77 feet horizontal and 3000 feet radials with MFJ 998 auto tuner at the feed point, things look different and then the TAK antenna's shortcomings will become painfully clear.

    Yes, I had my moments too, running my FT 847 on the test bench with 2 watt minimal power into an dummy load with 3 feet of wire on it, and getting a signal report back from the USA.....pure conditions, nothing to do with the crummy antenna.

    Yes, sometimes we have to do with stealth antenna's or short antenna's due to the limitations of where we live or HOA's ( we don't have these here in the Neherlands)

    Have a look here: http://www.pa0fri.com/ and click the antenna section for some idea's for short H.F antenna,s or get the ARRL, RSGB antenna handbook, or Low Band DXing from ON4UN.
    Those are used by me to get my antenna idea's out and experiment.

    Good luck with your set up.
     
  6. SIX-SHOOTER

    SIX-SHOOTER Active Member

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    Ever heard the term "SNAKE OIL? Well now you know what it looks like!
     
  7. sp5it

    sp5it Master of puppets

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    Don't waste your hard earned money. Skip it.
    Mike
     
  8. Tallman

    Tallman W9WDX Amateur Radio Member, KW4YJ EXTRA class

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    Thanks for the feed back. I keeping my money in my pocket for now.
     
  9. Riverman71

    Riverman71 Sr. Member

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    Should be able to let you know something tomorrow, Tallman.
    Received mine yesterday. It is assembled and ready to hang.
    Hope to do so in the morning.
     
    Mudduckmobile likes this.
  10. Beetle

    Beetle Sr. Member

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    It's every bit as good as the Gotham vertical, advertised back in the 1960s.
     
  11. Road Squawker

    Road Squawker Sr. Member

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    ...[​IMG]
     
  12. Riverman71

    Riverman71 Sr. Member

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    Was going to start a new thread but will just use this one instead.

    Standard 40 Meter TAK-tenna Review

    Comes neatly packaged:

    IMG_0412.JPG

    Booms attached:

    IMG_0413.JPG

    Copper wire in place:

    IMG_0414.JPG

    Resonating wire and coax attached:

    IMG_0415.JPG

    Hung in attic:

    IMG_0417.JPG

    Lowest results I was able to achieve:

    IMG_0418.JPG

    Efficiency in middle of phone band:

    IMG_0419.JPG

    My biggest culprit (10' from antenna):

    IMG_0420.JPG

    Conclusion:
    If I had an antenna tuner, I'd probably use it as is. Since I don't, I'd like the SWR's to be a little lower. Believe I'll move it to the backyard on a painter's pole.
    But not right now. Watching Dallas Cowboys. And Chiefs/Patriots after that.
    Forecast is for rain the next few days so not sure when I'll be able to proceed.
    Will report back when I do.

    Disclaimer:
    I had no high expectations for this antenna. It is what it is. But as I've said before, I just like fooling with stuff like this. It was indeed fun to put together and try out. (Although I did get tired walking up and down the attic stairs.) o_O Hopefully will get a little better results outside in the clear.

    Stay tuned.
    Or not. :)
     
    #12 Riverman71, Oct 14, 2018
    Last edited: Oct 15, 2018 at 1:43 AM
    Handy Andy and binrat like this.
  13. Riverman71

    Riverman71 Sr. Member

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    Well, the report on the outside setup is not forthcoming.
    Out of the blue was asked if I would be interested in selling it, thought about it, and did. Might be for the best. It is a strange looking thing and on a painter's pole in my backyard my neighbors might have thought It was a listening device or something . :cautious:

    For what it's worth:
    Outside in the clear I think it would have worked decently on 40 meters. Not sure about using it on other bands. Would definitely need a good tuner for that.

    Now on to my next project. :)
     
    Handy Andy and undertaker like this.
  14. sp5it

    sp5it Master of puppets

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    Without compare to full size dipole this "review" is not really helpful.
     
    Handy Andy likes this.
  15. Riverman71

    Riverman71 Sr. Member

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    I disagree. For the guy thinking about putting one in his attic next to his heating/cooling unit, it gives him an idea of what he might can expect. ;)

    If I had room to put up a full-sized 40 meter dipole, I wouldn't need TAK-tennas and the such. :D
     
    #15 Riverman71, Oct 16, 2018 at 1:52 AM
    Last edited: Oct 16, 2018 at 2:04 AM

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