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Steven Q. Stultz
Reviewed in the United States on February 25, 2025
Nice UNUN, but it's missing a ground post for attaching a counterpoise. I was able to open the unit and add one and solder it to the shield of the UHF connector. I sealed it back up with some non-conductive sealant. By the way, the toroid and windings inside look to be high-quality.
Pdiddy
Reviewed in the United States on September 29, 2024
decided that inverted v antennas were too much work trying to deploy multiple was a nightmere. had this thing going in less than half an hour. I get 20/12/10 and 6. Didnt have enough wire to make it for 40. 12m doesnt need tuning at all. the other 3 tune with the internal tuner on the 991A. I will be adding 25 more feet of wire tomorrow to try out 40m! well constructed and very good recieve.
Brad Lofton
Reviewed in the United States on July 4, 2024
I tuned mine for the bottom of the 80m band which gives me 1.5 or below swr on 80m, 40m, 20m, 15m, 12m and 10m. It also tunes very easily on 30m, 17m and even 6m with the internal tuner in my IC-7300. I did have some issues with RF getting in my shack but was remedied with a MFJ-915 and also burying my coax to the feed point about 60 feet from the shack. I put it up as an inverted vee with the feed point about 5ft off the ground and the apex up around 35 feet somewhere near the center of the 14ga thhn wire and the other end anchored to a fence post with about 10 feet of good nylon cord. I did not use a counterpoise in this installation and have had absolutely no problems breaking pileups. I put it up with it facing east to west and it has served me well being in Mississippi. Seems to be fairly omni directional as I have worked as many stations due north and south as I have east and west. I use it for ssb as well as digital modes.
LaserGuy
Reviewed in Canada on July 23, 2024
Found a 12/2 100 ft roll of low voltage lighting wire on amazon. This looked like good 12ga wire, and exactly what I needed for a Ham Radio End Fed Longwire. The roll is exactly 100 feet, by splitting into the two separate wires I ended up with 200 ft of 12ga wire. I needed 134ft+- for the antenna. I took the 100ft length and added the extra 34ft by soldering the ends, and sealing with heatshrink tubing. I also bought The 1:64 Balun (Actually it's a UnUn), attached it as shown in the picture, and hoisted it up a 18ft clothesline pole with a nylon rope, and ran the wire over to a tree on the other side of the yard, looped it through a insulator attached to a eyebolt, and ran it across to the other side of the yard to another tree. The wire was too short to reach the tree, so a piece of nylon rope finished the run to the eyehook screwed into the tree. I cut the antenna wire for the low end of 80 meters, and it has a less than 2 SWR upto 3.845 mhz and less than 2 SWR for 7, 14, 21, 28, 29, & 50 mhz for 6 meters. Any spots a little off, my Icom 7300 has a built in tuner that does the job. First contact on 40 meters from Lavel Quebec was a solid 5/9. So, if your looking for wire that will work as an antenna, couple it up with this Balun/UnUn and this may work for you as well.UPDATE: Now that I've had the chance to check out this UnUn/longwire on other bands, I'm Still more than happy with this product, and the antenna I made from it. If I can hear the station, It can hear me. I've broken 20 meter pileups to Czech Republic, Serbia, and Netherlands using 100 watts without any problems what-so-ever, and total cost was under $150.00 for all the pieces needed.
LBS
Reviewed in the United States on November 5, 2024
Put it in use today. Used it as an inverted V, 40m half wave, 20 ga wire, ends suspended just 3 foot off ground, 21 foot center mast.It's performing very well, and was also able to also tune 15 and 6m, with the ic7300 internal tuner (swr was about 2.5 on these).So easy to deploy the efhw, and works so well with this 64 unun. I used online calculator and have approx 63 or 64 feet in the V for length, and honestly, I haven't done much in the way of tuning it, as it's 1.1 on 10 and 20m, with 1.5 on 40m.I've already made solid contacts on these bands, and I am very, very satisfied.
Stormy Shaw
Reviewed in the United States on October 25, 2024
I get about 1-1.5 higher s meter recieve than my (30ft straight parallel to ground) dipole, and great swr at 10, 20 and 40m. I could probably adjust for 80 but I don't use the band currently.If you're new to endfed this was very easy to get some prototype ideas and testing for antenna line, something in it does rattle a bit but it does function on recieve. I'll try to get back with Tx quality.
pascal
Reviewed in Canada on January 7, 2024
Parfaite avec un long fil de cuivre de 40m au minimumvous aller meme captre des stations sur le 160m
wayne or monica
Reviewed in Canada on July 18, 2023
Top quality would buy again if needed
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