Hello Gang, I've been away from the reflector for a while so now that getting back on the air in style is in my future, I have a few questions for the educated masses that populate this reflector. So
Hello again gang, I have two older (but in very good shape) HyGain crank up towers. A 37 ft. and a 52 ft. As far as I know, they are not of the "positive pull down" type. (If I am wrong, please tell
I think I would have to take out a second mortgage just to pay for the 20 Vacuum Relays! ;>) Mike Baker K7DD k7ddmjb@qwest.net Yes, you are right, transmission lines at a given impedance providing ma
Well, it appears that the book I thought I had arranged to purchase has vanished and has no replacement, so I am appealing to all of you to look on the dusty shelves and see if you might have a spare
Hello Clive and the list. Yep, been there, done that. Got the same results. Now I model them with EZNEC and make adjustments in the computer FIRST then build. Here are a few tips to keep in mind. The
Hi Gang, I know this is a bit off subject but I have an urgent need for a Battery Booster. This device boosts a DC input from about 10V to 13.8 and maintains the output at that higher voltage from 10
To all that responded, Thanks. One fellow from Florida had one almost unused he has on the way to me at a reasonable price. Now to find a cheep source of Trojan Batteries in the Phoenix Area. ;>) Onc
Hello JC, Many years ago I was living in Albuquerque NM and a surplus metals place down in the valley has broken light standards and flag poles. A friend who could weld Aluminium bought three of them
Hello, In a previous occupation, I poured refactory concrete in wooden and rubber and fiberglass forms. What we used for form oil was a product made from petroleum naptha. It is made by a company cal
Hi Scotty, Save yourself a lot of trouble and risk of injury and take the diagram of your rebar cage to a construction yard that does rebar bending or a construction steel company that does the same
Hey Guys, Perhaps I should ask the most obvious question especially of those of you who put up towers for a living. When have you EVER seen a tower foundation FAIL? I mean deteriorate to the point it
Hi Pat, WOW, a 30 METER DISH! Man, to feed a gallon of 1296 energy into that towards the moon should be hearable! FM on a HandHeld would be readable!! Well, to your problem. My darling wife listened
WOW! Comment on Picture of tower: Cut it up and save some fool's life! There is bound to be a fool SOMEWHERE who would attempt to resurrect that rusted out piece of scrap and put it UP! Save Him! Com
Hi Gang, Let me pick the brain of the great collective and see what pops out. I take EZNEC and put up a dipole for 20 meters at about 1/2 wl in the air and I have a set of patterns that look like wha
Just to add a bit of interest in something I observed many years ago and have modeled for future use at home. When I lived in Denver in the 70's a fellow had a tower with a quad stack of loops on eac
Hello Dennis, Try looking up K1TTT and look under his technical info page on stub filters. He has a lot of good info and links to sources. I put together a single filter in a can with a switch that c
If we talk about URER ground systems, are the components called UFER-MIZEMS? I couldn't resist. My bad. Michael Baker K7DD k7ddmjb@qwest.net Replying off the reflector is not ok with me. What is a UF
Hi gang, I just got through reading about this tragedy and a couple of thoughts crossed my mind. I share them will all of you and please, don't shoot the messenger here. I am not pointing any fingers
I need to pick the brain of the great collective about something: I have decided to put up a 43 foot vertical with 32 radials for the lower bands. (80,40,30,20M) seems the common feed method is a "4:
Thanks to all for your input and to Alex F. Dolgosh K8EUR at DX Engineering Customer Support for his follow up from the reflector. Lots of information to absorb and I have still been modeling my butt