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Categories | Antennas: HF: Vertical, Wire, Loop | W8AMZ ZS6BKW /G5RV Help

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KB6HRT  Rating: 5/5 Jun 15, 2014 10:30  Send this review to a friend!
update BEST YET!  Time owned: 6 to 12 months
Last post said, I would test an compare the W8AMZ ZS6BKW an the W8AMZ G5RV with each other, I have! Short answer the ZS6BKW is the one that still up, my choice. Installed both antenna where they worked well, the ZS6BKW
the apex was at 36'+ a little short of the 40' recomended to the apex. otherwise
everything was the same. Without using a tuner 6-40m receive was a lot better using the ZS6BKW as far as hearing weak signals, stronger an clearer ones 6-40m, standard G5RV had better output on 75m with out using a tuner, which is to be expected where the SWR was less than 3 to 1. The ZS6BKW was around 5 to 1 an needs a tuner for 75m. The ZS6BKWs needs a tuner on 75m, where the Standard G5RV needs a tuner on 40- 20?-17 -15-12-10m most of the time, where signals come in lower with more background noise. Both antennas are built to last, that a good thing.
Second part of this tried putting a 1 to 1 voltage balum at the feed point with a 500pf cap in series with one side of the feed line, this works for dropping the SWR on 75m down to around 2.5 to 1 at 3820-3900 the way I have my antenna configured on the roof, what I gained was lower SWR on 75m but at a cost of more noise on 75m at night. After using the antenna back and forth this way for over a week, I am using the antenna as it was built with the coax feed coupled to the ZS6BKW having to use the tuner on 75m anyway. I personally like the better signal no noise ratio on 75m, it also dropped the SWR back down a little on 40-10m where the tuner is not needed ether way. If you are getting some miles on your body like I am, this is the hot ticket an antenna that can be used 6-75m with a good tuner, an you will love the receive. I tested these antennas using a FTdx5000MP a FT857D a TS590S and a Yasue FT950 all radios would hear all incoming signals. The differance being a little differance in background noise, both antennas were compared to a referance 75-40-20m dipole antenna on incoming an outgoing readings...................KB6HRT
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