Im selling some stuff Ill probably never use. I have a ComTek 40 Meter 4 Square relay box and controller that sells for $599.98. Ill ship it to you for $350. There is a picture with an Ad I put on QT
Vevor Waterproof fiberglass enclosures. Vevor website or on EBAY. Stan, K5GO Sent from my iPhone _______________________________________________ _______________________________________________ TowerT
Here is seat of pants. You can put a rather large antenna on a piece of water pipe if the antenna is mounted about 3 inches above the top of the tower. Imagine the force it would take to permanently
In all my stuff I have about a 175 foot length of Heliax that measures 1 inch in diameter as opposed to the 7/8 inch measurement on the 7/8 Heliax I have. I thought it could be that it is 7/8 that ha
Thanks for the information, Peter. I appreciate you trying to figure it out. LDF4.5-50 has a diameter over dielectric of .71 inches and the inner conductor is .28 inches. I dont have anything that sm
Thanks, Mike. It is corrugated outer conductor like normal Heliax. I havent measured the inner conductor yet but did attempt to drill a straight 1/4 hole so I could try to screw in the center pin use
Jeff, Copper clad aluminum, rings not spiral, OD of outer conductor is 1. OD of inner is 3/8. Outer conductor is copper. I think you are on right track. Measurements were all done with a steel tape m
Thanks to everyone for their input! I appreciate all the responses. I believe Jeff and Jim have my coax identified. I would still be scratching my head trying to find something on it. Its old, but st
I also agree with what Karl said but I believe the average improvement over a dipole for this antenna on 20 and 15 is likely to be less than 4 dB. A full sized, computer optimized 3 element monoband
A little dilemma - I just put up another tribander at ZF9CW on my new tower. I originally had two smaller tribanders on a separate tower. I had built two identical chokes and they have another torroi
Thanks to everyone who responded with suggestions regarding my dilemma regarding whether I am in or out of phase now. In the next couple of days Im going to make a half wavelength of coax for 15m and
Martin, If I were going to base insulate a 45G tower used as a vertical for 160 meters, I would get a pier pin base. I would drill the hole in the center out to 1-3/8 inches. Then I would get a Delri
Art, I dont know much about crank up towers but if you were relying on those rebar protrusions to bolt down your previous tower, can they be relied on to attach a thick galvanized steel plate that wo
A few months ago I designed and my son built a 2L 40m Yagi using this type of design for loaded elements inspired by the W6NL style Moxon since thats what he was going to build. The results are virtu
Of course I thought about simply bending the ends down. In my situation the towers are about 58 feet apart. If the horizontal part was about 49 feet long, each end would be within 5 feet of a tower,
George, That is good general advice. Yes, there is always something to learn. I would certainly like to learn more. I don't have any background in electronics, etc. but I have been an amateur radio o
Here is my experience with UHF connectors. Im sorry I ever bought the stuff to crimp on connectors for RG-213 sized coax. I like the ones you solder and will probably limit my crimping to RG-400 sinc
The Amphenol insulator on the 83-1SP is LCP (Liquid-Crystal Polymer). I have no idea how that compares to other insulators. The rest of it is Brass with the coupling nut nickel plated and the rest si
I assume if the two pieces are 18 feet long each and the total length is actually 36 feet long that you have an outer sleeve rather than an inner one? After you get to a certain level of frustration
I became a believer when I listened to a recording of an EME signal transmitted and received at N2QV..wait for it. - 20M CW. 20m is the third best band for that antenna array. Ive probably missed it