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Interestingly it also exhibits low vswr on manual 6 meters.
In fact it is more like cushcraft a manual 3/8 vertical with the normal cushcraft 200 ohms Jsomething (inductive impedance).
You will find that the SWR minimum point has moved, and normal adjustment will not bring it back on frequency.They should be carefully loosened, moved aside, and the contact area cleaned with steel wool.30m,0,Extends.E.,A3WSA-3S - Beam, vertical Triband,3 ele.Most of the existing hardware is still used.The attached file found online shows some of the problems and how to antenna correct them.Review of the Cushcraft R-9 multiband vertical.It's a good idea to take a note of your trap's frequencies, in case you need to repair one in the future.If the insulator tubing is badly damaged, you should.12,17MA-4S vertical - Beam, Triband,4 ele.Trap labels fall off or fade away.Cushcraft R7000 Vertical Antenna, the, cushcraft, r7000 is a multiband vertical antenna rated at 1500 watts peak power, 1000 watts continuous, on the 7 through 28 MHz amateur radio bands.
Not contained in the manual is latest the fact that the design height of the antenna is.
More on that later.
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Divider 2m,70cm, Combine 2 YagisR-6000 - latest Vert, Multiband,Indep 6,10,12,15,17,20m, 2R-8 version - Vert,8 HF bands, 6,10,12,15,17,20,30,40MR-8GK - Guy Kit, FOR R8/R9, verticals antennar-8TB - IT, vertical ANT.The results 18 Feet foxit Feet 40 energy Meters tesla 30 Meters 20 Meters 17 Meters 15 Meters 12 Meters 10 Meters 6 Meters.It was fun to repair the traps, and then "homebrew" the rest of the antenna, including the matching box.40m, X7XM-240 - Beam, Monoband,2 ele.E, moisture release vent.TV1 10m 28 mHz 12m 24 TV2 15m 21.2 TV3 17m .11 TV4 20m .47 TV5 30m 10.25 Any manuals that you may latest require for these antennae are available.PDF format from the Cushcraft website.
Replace them with a single high current type (doorknob) of 50pF if you can.
When clean, the area should be greased with Vaseline, or one of those dissimilar metal cushcraft r7 vertical antenna manual contact greases used by the electrical power utilities.
These are a pair of 86pF in series, to give an actual value of 40/50pF.