Hello all, One of the less obvious risks of antenna and tower work is that of acquiring infectious disease from ticks and other pests that we encounter in the field. I've attached below an excellent
All, One of my clients has a need for an experienced RFI engineer to chase down a noise source at one of our commercial receiving sites. The site is light-industrial in nature and is not a transmitti
Hello Rudy, Here's a simple and elegant method: 1. Use irrigation drain tubing to make a form for a sack-Crete base. Insert a 12" G10FR4 rod 4 inches deep into the center of the concrete pad and let
Welcome back Roger! May you and your family stay strong during your recovery!! Best regards, Scott w3tx Evening all I finally managed to get on and read your kind messages,for which I kindly thank yo
Rog is typically on vacation this time of year, usually for a week or two. Its a one person company. If you leave a vm on their answering machine during his vacation he is very good about calling you
Distributed tower loads are complex in nature. A full analysis requires information about the foundation soil, the foundation, the tower, antennas, your QTH's specific TIA-G parameters, the Internati
At Penn we had a surgeon named Dr Blood. Best regards, Scott Bill wrote... I can't resist this sort of subject. There used to be a dentist named Yankum near San Jose State College. 73, George T Daugh
Hi Gerry, An easy way to do this is using some 1/8 alum plate to make passive rings that nest on top of existing screws going through the tubing. I believe that dx engineering sells these or somethin
ON4UN has an excellent description of placing a rotor at ground level, with a full height transmission shaft, in one of the earlier editions of Low Band DXing. Best regards, Scott Doug, i have a home
If you use the design in the ARRL Antenna book please be aware that the taper schedule in incorrect?that is, the materials list does not provide a snug fit between tapered sections and you will need
Hello Ray, The grounding system is definately not a place to skimp. Its what protects your radios, and really your entire home, from lightning. My tower gets hit directly on average three times a yea
There are young people that read this list to learn about abtennas and communications. And adults that expect this board to be profanity free. Please keep the language clean and professional. Best re
Hi Gary, Having done many 3 element and larger 40m Yagis myself, my opinion is that the 40-2CD hardware will not be strong enough to be converted to a "lasting" 3 element 40m Yagi. It can be done, bu
But first, how fortunate we are to have so many excellent antenna companies and professionals in our avocation. I prefer to think of the other companies as colleagues, not competitors. Mike and his c
Hi Jim, Did you try contacting the vendor to sort this out? It sounds like some kind of inadvertant catalog or fulfillment error rather than an intentional misleading. Perhaps the vendor purchased th
Thinking outside the box?here is how I would do it: My first thought for designing a multi station, whether it be multi-single, multi-two, or multi-multi, is with regard to minimizing inter station i
Hello All, We are having a temporary ICANN error with our SuperBertha.com <http://SuperBertha.com> URL and hope to have it resolved within 48 hours. Meanwhile you can access our entire content via ww
A fond recollection?My very first antenna was a Hustler 5BTV. Worked over 240 countries on that antenna during high school. Not easy, but built character and operating skill :) 73, Scott W3TX _______
Dont forget the WA3FET 3 element 40m V-yagi as highlighted in Low Band Dxing. Light weight, high strength, and performance just shy of a full sized 40m 3 element Yagi with a nice, wide swr bandwidth.