W8JI has recommendations and descriptions of the various types here: https://www.w8ji.com/dielectric_grease_vs_conductive_grease.htm 73 Patrick, W7TMT After 15 years, a pair of PL-259 connectors have
For info on replacing stock Cushcraft coils with high efficiency/low loss units see the VE6WZ story that starts on this page: https://www.qsl.net/ve6wz/intro.htm GL W7TMT ____________________________
No, not specific to 30 M. However, there is more than enough detail there, design criteria, materials choice considerations, coil design app, and even an analysis of the short comings of the Cushcraf
A missing space disabled the original link. Try this one: https://rioarc.org/Barrys%20Articles.html W7TMT rioarc.org Barry's Articles Articles are written by Barry A. Booth, W9UCW. All articles are o
Plasti-Block has standard Black HDPE blocks of various sizes in 2" thick options. https://store.plastiblocks.com/product/hdpe-blocks/ They also carry a UV Resistant HDPE version that only comes in on
Stan, Operating from my sailboat I'm restricted to horizonal antennas no more than 24' wide and supported in the middle from my mast. I've built a series of single and multiband antennas for 40-10M a
Kevin, W1DED has a great new interview on his YouTube channel with Stan that just was released tonight. Lots of personal history and info about his Cayman Brac station. W7TMT Thanks for sharing your
In some industries it is called "heat trace cable". Several sources including this one have it available in shorter lengths and/or by the foot by using appropriate terminals. It is also available in
The Scotch branded colored tapes I buy and use for color coding electrical wires/cables for marine use is type 35. Its about the same thickness as 33 but has a slightly less aggressive adhesive and h
Regarding the need for any type of plating over copper, Greg, W8WWV had written extensively about building high Q coils and has also done an analysis of the coil characteristics after one has been in
Yes, you are correct. However, there are lines with Dyneema cores and UV covers. Here are links to two examples that may give you enough info to expand your search. Besides marine suppliers youll fin
Peter, Yes, Mastrant has a Dyneema core but also has a woven UV protective cover which the Samson pure Dyneema line suggested in a previous post does not. Dyneema, and Spectra a similar modern fiber,
A product that is the mainstay in the marine world for preventing dissimilar corrosion and binding is TefGel. On sailboats the masts are mostly aluminum and all the hardware attached is stainless ste
Thanks just passing on other's info. Whether its applicable for the tubing question I don't know. Just tossing it out there for consideration. It's fantastic on SS fasteners and aluminum. It's not di
Yes, indeed and he addresses the issue of whether the thin layer impacts conductivity or not. Spoiler alert- it does not based in his testing. W7TMT W8JI's site has a lot of good information on greas