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Thread: Questions about G5RV Jr.

  1. #1

    Default Questions about G5RV Jr.

    I am considering putting up a G5RV Jr. in an inverted V configuration with the peak at around 30 feet in the air on a tree. I intend to use it on 10, 15, 20, 40 meters with an external tuner. If installed correctly, what kind of performance could I expect from it?

    Also, reading through this manual: (https://www.manualslib.com/manual/10...?page=3#manual) tells me that to use it with regular coax (as I intend), I need a 1:1 choke balun. What type of balun works best for this type of antenna? The manual calls for a homemade "air wound balun" but others have said I should use a "ferrite based common-mode choke". If the latter is best, where can I buy one?

    And lastly, what brand of G5RV Jr. should I buy?

    Any help would be very appreciated.

  2. #2

    Default

    Quote Originally Posted by maalikm View Post
    I am considering putting up a G5RV Jr. in an inverted V configuration with the peak at around 30 feet in the air on a tree. I intend to use it on 10, 15, 20, 40 meters with an external tuner. If installed correctly, what kind of performance could I expect from it?

    Also, reading through this manual: (https://www.manualslib.com/manual/10...?page=3#manual) tells me that to use it with regular coax (as I intend), I need a 1:1 choke balun. What type of balun works best for this type of antenna? The manual calls for a homemade "air wound balun" but others have said I should use a "ferrite based common-mode choke". If the latter is best, where can I buy one?

    And lastly, what brand of G5RV Jr. should I buy?

    Any help would be very appreciated.
    I would suggest a ZS6BKW instead of G5RV. You can see the differences here:
    https://www.w5ddl.org/files/Zs6bkw_v..._20100221b.pdf

    I havenít used the Jr variant but have built and used ZS6BKW and regular G5RV. The G5RV has a lot of trouble getting out. I could hear okay but received many poor signal reports and even more no responses when I could hear them just fine.

    I have also built my own stealth ZS6BKW antenna for an HOA home. It uses #26 polystealth black wire and is virtually invisible. The apex is only 20í up on 2nd story and itís legs slope outward, making it a sloping bee. Very much a compromise antenna. Itís resonant on 20 and 40 and tunes up on all others 80m through 10 (with tuner). If I can hear them, they can usually hear me on 100 watts (without pileups).

    If it were m, Iíd skip the G5RV Jr and graduate to the ZS6BKW.

    Hope thatís helpful.

    Rick W5FCX

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