Regarding using ground bus bars as tie points: If you can still find them, copper ground bus bars with screw terminals would be ideal as you could then braze the wires to the bar. You could fit sever
I don't think any of the "MAPP gas" produced in the last 10 years or so is truly MAPP, so I'd have to say yes, the current "MAPP gas" is still adequate for light-duty use like brazing #10 or #12 to
Ha. Someone responded that they didn't know what "OE" is. It should say "OA" (oxy-acetylene). I guess auto-correct thought I was talking about Old English? -- Jeff WN3A ______________________________
Real staking of nuts requires you deform them from a flat side, but the term is also meant to mean deforming the threads of the bolt as close as you can to the edge of the nut. Here in PA, I've hear
I've never seen hot-dip galvanized nyloc nuts, but I guess they may be out there. I can't imagine how the nylon would survive the zinc bath though :-) Nylocs for stainless, obviously yes. Right, tha
I don't have any personal experience, but a friend of mine, who is also a broadcast engineer, was obviously very concerned about getting a pacemaker due to his line of work. The manufacturer advised
I can't imagine ever going back to using Switchcraft XLR's or 1/4" plugs after using Neutrik for the last 20+ years. Yet there are still those out there that spec them or insist on using them for re
"Helical" corrugation is the term for the "spiral" type, which is how the original Heliax was made, and is how it got the name. "Annular" corrugation is the technical term for the "ringed" type. Mod
If DIP switch programmability isn't mandatory, do what we usually do - use an old wideband VHF land-mobile rig like a Maxtrac, Radius, GE MLS, etc.. $25-50 for a radio like that is typical; demand f
At a minimum, bond at the top of the tower, near the bottom of the tower at a point above where the vertical cable run makes a bend to transition to a horizontal run en route to the building, and ag
You'd have to screw up REALLY badly to have an H7PDF connector yield an open. I mean, I can't even picture how it could happen. Are you sure the open isn't really in the connector that mated to it? b
If you're going to be doing a lot of connectors, the best I have found are the Greenlee (Paladin) CST-Vario strippers. They are a bit of a PITA to set up the first time since they are fully adjustab
Yeah, they do. They go by different "colors" for the cassette. Most of them are oriented toward strip dimensions for 75 ohm connectors for video cables though. The only one that is somewhat-usable f
Use thick-wall adhesive-lined (hot melt) heat shrink. Start with a long piece of the smallest diameter that will fit over the cable and crimp ferrule, with enough length for it to extend down the co
I recall looking into using Cool-Amp to silver-plate components for custom filter products that we were designing and building in-house. As I recall, even as high as 100 MHz, the Cool-Amp plating th
... Scotchkote was never meant to be used as a "final coat", which, unfortunately, is how it is most-often misused. It is supposed to be used between alternating layers of electrical tape (Scotch 33
I've never seen a 4.3-10 used on a vertical feedline run of 7/8" or larger. 7-16 is standard. 7-16 is arguably more more rugged than 4.3-10 due to its larger size. 4.3-10 is used on smaller-size cabl
Meh. It's pretty rare to see anything other than pre-fab jumpers being used any more for any carrier's installations. Hard-heads like me who still field-fabricate jumpers after having been burned to
For starters, because it's constant-impedance (less of an issue on HF, but definitely an issue on VHF and above), and is more weatherproof. I'm not sure why you brought up BNC. Yeah, you can jam a t
Lacking any historical design data or details on what you have in the ground, don't plan on re-using any foundations or anchors without testing. Even with testing, it is doubtful that your AHJ would