Peter Larsen wrote: Many people have died from induction. I have worked on a 138 KV line that was dead and grounded 10 feet either side of me. But it was within 20 feet of a live line. Without the gr
If I am to run a 160 doublet then across the property will only just barely suffice (330 feet) and would place 70 feet of one leg directly under the towers. The only other option is to run parallel o
My experience in different states with different insurance companies has varied. Some don't care, some want to cover nothing not "permanently" attached to the main structure, some wanted the tower fa
I should think that if you optimized the antenna, there wouldn't be a significant difference between feeding at the back or the front. Feeding in the middle is always going to be better. In fact, doi
I just left a meeting with the builder of our new steel home where I discovered something troubling -- the steel roof and wall materials appear to be floating above ground on top of the concrete slab
As I understand the UFER system either the rebar is extended beneath the slab well down into the soil or a second metal mat is laid beneath the slab -- I don't recall the UFER ground depending only
As I understand the UFER system either the rebar is extended beneath the slab well down into the soil or a second metal mat is laid beneath the slab -- I don't recall the UFER ground depending only o
I'm not a concrete expert but I think that the concrete stays moist for most of its life. Cheers, Steve K7LXC I understand that the concrete in the Hoover Dam is still curing! Imagine hw many centuri
Wilson Lui wrote: What you needs to do is put in a couple ground rods around your house. Since this is a new construction, you may consider running a counterpoise around the structure, hook up a few
I would like to start looking for a welder that may be used to make exothermic-quality welds. What features should I look for in a an affordable occasional use device, please? (i.e. not a commercial
If you are talking ground rods, it's by far cheaper (and easier) to just purchase a few "one shot" cartidges. Everything comes premeasured. You just fit the form around the rod, put the ground wire i
Hope this is not a bad omen for my tower. A foot to the east, north or south and I'd of missed the whole thing because I obviously hit the head as I dug.. And it wasn't very deep because I had just r
Not to "steal" the thread but to "borrow" it for a moment, please? Any idea how the old Heath remote switch compares to the RCS-4? I am wondering if I should make any mods before I install it ... whi
From a thread on a different topic I viewed this picture http://www.dutson.net/Ham/P6060006.jpg and it prompted a question. It is best to mount the Polyphaser/ICE/whatever lightning protection panel
I have a friend who would like to mount a couple of cameras at his vacation home in Canada and tie the camera(s) to the Internet so that he and others might be able to see the incredible views there
The idea that we can bleed off a charge on a tower by increasing grounding disagrees with basic physics of electric fields, charges, and conductors, so it doesn't make sense that the would say anythi
Joe wrote: Very true, if you have an unlimited budget. There are those of us unable to afford every option on every system we purchase. I'm content being able to have a tower, and happy with the fact
Several guys asked me to share what I found. So far these guys seem to have an interesting variety of packages that cover everything from the camera to the Internet connection and remote access price
It changes so much that when predicting lightning performance of power lines we have to take into account the diameter of the corona around the wires when computing the characteristic impedance of th
Gene Smar wrote: Doc: I assume you're asking whether the nearby pole line will adversely impact your station's lightning strike vulnerability and survivability. No, not significantly. The fact that y