To determine when the sun is due south: http://aa.usno.navy.mil/ Select: Data Services Select: Sun (default) Enter City or use "Worldwide Locations" to enter Lat and Long Note: If you select "City" t
I've used the "William tell meets Izzak Newton" method as described below for decades. But first a disclaimer: Safety precautions include eye protection and long sleeves. My "method" is very similar
The US Navy has had such programs available for public use since about 1988. First was "The Floppy Almanac" which was a navigation program on a year-by-year basis. A little "reverse engineering" coul
I've been doing business with "Jamestown Distributors" for many years. Not cheap as they cater to the boating crowd. Good products, good service. Be sure to read the tutorial on various stainless ste
Cursing, preferably at levels that can be noted at a nearby seismic recorder, is essential to overcome the inherent perversity of inanimate objects. Calling into question the parentage of the offendi
I'm looking for data regarding the increased loss of using a PL-259 versus a "N" connector on VHF, about 161 mHz. I measured this some years ago and found the difference trivial for the application.
I've used an automotive clutch "throw-out" bearing wih good results. 73, Tim ________________________________________________________________________ Interested in getting caught up on today's news?
I'd like to change from the individual message format to a "digest" format wherein a number of postings arrive as a single e-mail. Any assistance will be appreciated. 72, Tim ________________________
I'm working on a portable vertical for 7.03 MHz. Maximum length is 25.4' overall. I can place a loading coil at either the base or 17.9' Ground losses are assumed to be 15 ohms. I am having trouble g
I'm looking to purchase sections of "Bud" aluminum tower. This is a riveted, formed sheet metal tower. 73, Tim ____________________________________________________________ Free information on top com
I wish to put up a top-loaded vertical for 160m (1.83 MHz.) I can go 60 feet up and the top-loading "T" wire can be only 46' long overall. I'd be grateful for suggested values for a loading coil betw
I've got a Hy-Gain DB-2015 dual band 3 element beam in pretty good contidion that I'll be taking to the Butler, PA Hamfest this Sunday. It looks like it was up for 3 or 4 years before I purchased it
Recently obtained several lengths of lightweight "Bud" tower, some of which has a lot of oxidation. The gent from whom I bought the tower had one length "dipped" by a company now no longer in busines
I've found a top hat calculator on the VE3ERP HamCalc software available as a freebie (DOS) download on the CQ Magazine website. 72, Tim ____________________________________________________________ C
OM Ed, I've been RV camping for 35+ years and offer the following based on my experience. I'd go with a relay-switched, base loaded telescoping pole clamped to the top of the ladder. I'd go to great
OOOPS! sorry for the duplication OM Ed, I've been RV camping for 35+ years and offer the following based on my experience. I'd go with a relay-switched, base loaded telescoping pole clamped to the to
OM Tom, Lots of good advice regarding the use of Scitchbrite and an aluminum-bearing joint compound. I've just now finished getting my trap rotary dipole (modified from the reflector section of a TH-
I'm planning a top-loaded "TEE" for 160M. The vertical section is 50' long and the top loading wire is 46' long with the vertical coming down at the center. I plan on putting a loading coil at the ju
OM, I use abrasive sponges from Harbor Freight. Use them dry as the adhesive used to hold the grits onto the sponge is pretty weak. While you are wandering around the Harbor Freight store or going th