Further to my previous messages on this subject.. It will be a while before I know whether the calculated value for wire shortening due to insulation is correct. Some low-life has broken into the hut
Here's the method we used in the Navy/Coast Guard to weatherproof shipboard connectors. I don't think you can find a worse environment than salt spray driven by gale force winds! First, wrap the conn
Mike, Although 12" thick concrete may seem fairly substantial, concrete has tremendous compressive strength but little in the way of tension or bending strength. I would suggest if this is a plan you
Marv: I rebuilt my KT-34 to with the M2 Upgrade kit about a year ago. It was a little time consuming, but no big deal. The onlu thing I would recommend is to use a little of the grease to seal the ca
I am building a wire array using insulated wire (copper clad steel + jacket). The insulation will change the velocity factor of the wire and therefore change the required lengths of the elements. EZN
Many thanks to all for the replies received. I finally did what I should have done in the first place and went to the fount of antenna knowledge - W4RNL. On his web page there is an article which cal
If signal pickup is the criterion, why not use shielded twisted pair such as the RG-22 series. We used it at Coast Guard LORAN stations to minimize pickup of the megawatt LORAN signal on the receivin
I'm in need of a replacement potientiometer for a Hygain bell style rotator. I believe they have been the same on all the Ham series rotators from Ham-M through Ham IV's. With the Hamvention this wee
A Potentiometer has been located and is on its way to me. Thanks for all those that helped with suggestions and also to those whose time was spent reading my messages....73, -=Rog-K9RB=- I'm in need
This action is authorized under PL 106-521. The federal law allows local municipalities to make and enforce regulations pertaining to UNLICENSED radio services. Hams are obviously exempted. The law w
About a year or so ago, someone posted a link to a wire rope surplus page, where cut-off pieces of various lengths were listed for purchase. If someone has this link, I'd appreciate it once more. Tha
Jamie, I've found the most reliable rotator connector, by far, is the automotive flat rubber trailer connectors that come with pigtails, which can be soldered, or butt-spliced to the wires after the
All, Back in 1988, I bought two air core baluns from a brazilian manufacturer, ARS Eletronica Ltda, from Sao Paulo. Now I need a few more units. Unfortunately, I think that that brazilian factory no
Hey gang, So, here's the meat of the question. I am in the process of putting up a 50 foot Universal Aluminum Tower (50-9). I have the hole dug and it is slightly larger than the dimensions specified
TowerTalkians, I am in the [slow :))] process of installing a lattice, triangular, guyed tower. I plan to put a XM-240 and a 3 ele yagi for 12/17m at its top. The tower is all made on steel angle. St
I remember hearing a story about some cows sheltering under a tree during a thunderstorm. Lightning struck the tree and the cows facing towards or away from the tree were electrocuted while those bro