Nat, et. al.: Last year I gave a talk on this topic and created some graphs that are not in the ARRL material but are derived from the formulas in that material. The graphs show additional loss in dB
A little difficult to visualize this topic as a "regular" towertalk subject, but since we are on it: I believe that I have read that the decison to operate in the case of prostate 'problems' is very
Fred: I really like your simple and straight forward idea. I do have dated pictures of my Idaho towers installations, dated copies of the permits and dated post installation inspection reports by the
One of the "Laws of Life" covers this point: " There are NO solutions only different sets of problems - you pick the ones you think you want to live with". Tod, KØTO
Having diligently read all of the Quad vs. Yagi material as it has flowed past during the last week or so, I feel I have earned the privilege of asking those with opinions to help me solve the follow
I confirm what Bill has written. In the early 1960's as a very young graduate from U of Michigan I worked in a research lab and tried to employ very basic statistics in the designing of experiments a
I use these also. I believe they are Fafner bearings-- not cheap, but really let you sleep at night. Tod, KØTO comes -- FAQ on WWW: http://www.contesting.com/FAQ/towertalk Submissions: towerta
Steve: Most of us who have used aluminum towers for any length of time have substituted stainless steel for the original bolts for the aluminum towers. In fact, I replaced all of the bolts in one of
I have a copy of the two articles in PDF form. They are on my FTP site. If you want to download the documents they are located at ftp://ftp.skypoint.com/pub/members/t/tao/docs/Coax-Line-Transformers.
Last weekend I had occasion to read some material authored by Jerry Sevick. ("Building and Using Baluns and Ununs", Jerry Sevick, W2FMI, published by CQ Communications, Inc.) In that document he stat
totally wrong impression. ** ** I find it hard to accept that covering extreme examples is "bad". One of the classic methods in mathematical analysis is to start with the "extreme special case" (Pol
I just walked away from 3.5 acres in a rural part of Idaho where there were CC&R's regarding towers. I pointed out that there were no concerns about chickens, cows and horses running around in front
I wonder if putting concrete pavers in the bottom of the hole to support the rebar, tower legs, etc. would not be simple and sufficient. Tod, K0TO -- FAQ on WWW: http://www.contesting.com/towertalkfa
Gary said, "Take the tower apart every 3 - 5 years??? YOU'VE GOT TO BE KIDDING!?!? " I have found that I take my tower down (or partially down) every eight years or so and in the process check hardwa
Stan: I have sent my complete set of NCJ's to ARRL HQ for conversion to a CD-ROM. I sent them in August. I was scanning through issues as I was making certain that all were there and believe that I s
As a result of advancing age I seem to have lost sight of the objective. I looked at your computer data and compared your results with the table in the ARRL Antenna Book (p24-13 of the 15th Edition)
Getting the XYL's approval can be a costly business. When I put up my first tower in Minnesota my wife said "no problem as long as we use the excess concrete for the tower base for the footings of th
I am looking for this information as well. If anyone has an answer for Glenn, please send a copy to me. Tod, K0TO regards to of the WARC locate it. Gawd, misplaced it. Can VE4GN http://www.contesting
Steve: I am not sure I understand how it becomes the responsibility of the antenna manufacturer to solve system problems. In two postings we have seen comments to the effect that Force-12 was insuffi
I have heard of persons using an automobile drive shaft coupling in a long tubing-mast arrangement to provide some torsion relief to the tower and rotator. In the lore that was passed along to me it