One method I have used for years is to use water to drill the hole just ahead of the pipe. I smash the end of a piece of 3/4 inch copper at an angle towards the center so it forms a flattened sort of
About 5 years ago I put together a pair of filters in paint cans and they worked fine. Yes, if you intend to leave them outside a good coating of "Cold Galv" followed by some exterior house paint sho
You might want to make sure your car is full of gas and you have enough fuel for the generator for at least a week of steady running. MRE's or a backup supply of food and water is also a must have. 1
A number of years ago,(1971?) a fellow in Colorado obtained a pile of 9" X 9" concrete reinforcing wire mesh. It uses a wire about 10 or 12Ga and is a welded mesh sold in matts that were 4 X 8. He to
The last time I heard about a municipality using the "Aesthetic" issue, the attorney took pictures of stuff around town that looks like total crap (fences made of all manner of ugly stuff, houses pai
Hi Guys, Does anyone on this forum know what the self-resonant frequency of each of the traps is for a Hustler 6BTV? I have asked this question of the manufacturer a few times and they give me tuning
I guess I need to clarify my real needs here. I am not putting together a 6BTV. I have one and it works fine. I am looking to build a trap tribander Yagi. My question was really about what the resona
Thanks Guys for all your input. Once again this group comes thru with an answer. Now I am off to do some design work. Thanks again... Mike Baker K7DD _______________________________________________ _
It's an autotransformer. T200-2 core works good. 3 or 4 turn primary, 29 or so turns on secondary. Tie the cold ends of the windings together and they go to the coax shield and ground or to a very sh
It is not necessary to coat the anchor bolts with anything. When the steel is encased in concrete it cuts of the supply of Oxygen so it doesn't rust. If steel rusted inside concrete you would have to
Here are my first thoughts on the subject. IF, I wanted to keep the forces contained as much as possible and allow the torque to be transferred to all surfaces pretty equally I would make a combinati
BUT, the cost for the license for NEC4 is quite expensive. Even as a student is isn't exactly cheap! Mike Baker K7DD K7dd@cox.net All QSO's are uploaded to LOTW and EQSL. 4nec2 is what I use.. a nice
Hi Wayne, Stubs can do a pretty good job but for 160M the line losses will kill you. Consider the W3NQN filters offered by Array Solutions in a single band unit. They are about $130 as I recall but t