Cushcraft X-7 product reviews by real people like you. I have owned 3 of these X7’s antennas, and they are by far one of the best triband antennas I have. Here I have some photos of how I converted two cushcraft Hf antennas into a Homebrewed version of the Cushcraft X7. Additional material was bought. X7 BIG THUNDER TRIBANDER YAGI The X7 Triband Yagi is geared to set new standards in both radiating performance and mechanical.
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Building The X7 Antenna. Additional material was bought Just traps from one element was used back I convinced him the X7 is really good antenna and would get out of literally the Hole cushcragt is now living in.
X7 Cushcraft – Radio Equipment: HF YAGI Antennas: Cushcraft X7
Here the boom from both antennas are combined The centre piece had to be reinforced on the inside to support the weight. This is how I used the original centre insulators for the driven elements plus the two insulators I built by wrapping fiberglass cloth in a cylindrical manner to make a solid insultor A has solid and tube fiberglass for sale I really would have liked to buy the size that would fit into 1in aluminium tubing but just went along with some homebrew tubes The are also shown mounted on the boom This is the connecting of the driven elements using flat aluminium and also seen is the matching system used.
I get a real good swr on the bands the antenna is designed for The antenna is fed with a single 50 ohm cable RG8 into a 4: I use a Van gorden balun but my first log periodic I ever built ,I used a homebrewed 4: The article was found in an old CQ magazine and It works really well.
Here we go up the tower. We got full size elements on all bands ,all on an 18ft boom.
The tower is 50ft. Compare her with cushdraft original Cushcraft x7 antenna below. Here is a great overview of the X7 antenna by E73MClick on photo to go to his site.
OverView of the X7. I have gotten a lot of emails asking for the spacings for the X Click on pic to goto to manual page.
This is what I enjoy doing in Ham radio. I really love building antennas and I am happy cuxhcraft assist anyone who wants more info if they think they can build one like this.
Cushcraft also has a 9 element version using a 24ft boom I would have liked to put up that at my Qth but not enough space to get that size up Plusafter looking at the amount of gain on the X9 – too much material for just about a 1 db increase.
The X7 Triband Yagi – Cushcraft
I have already started getting the stuff together. This should be a first operation from Trinidad. Anyone wanting to hear my signal on any HF band.
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