The 50 Ohm RG58 coax sold by Jaytoy has a shielding that won't readily solder. While Alronics has 75 Ohm RG59 with copper shielding, which does solder OK they cannot supply RG58 with this.
Does nyone know of am surce of a small amount of copper shielded RG58 50 Ohm?
Conductive 'glue'? Sounds very Jaytoy! Or perhaps you were serious? Surely can't be very satisfactory when a good low impednace connection at UHF is required?
Oh that stuff, typical Jaytoy! Typical and up there with farting ashtrays and their other junk! Pity about Altronics though. They have been good on other things. I suppose I could raise a mortgage and try Radiospares? They used to be quite reasonable in price many years ago in the UK but perhaps they've been bought by some US entity?
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A lot of the RG59 cable tv cable is aluminum. Cheaper, lighter. Try a ham-radio store. Depending on how much you want, any ham will probably have some in the attic.
That depends on how long it takes you to wreck out an old installation. Sometimes its already piled up beside the dumpster for you. :)
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IBM had 2 significantly different systems in widespread use and some others as well.
The 3270 Display System used 93 ohm coax to distribute Video from a controller to all the screens in an office in a STAR configuration.
While the PC Network introduced in the 80s used 75ohm coax in a serial configuration with a terminator at the far end. The prescribed coax was RG-6 (thick heavy lo loss ) for long runs and RG-59 (small flexible hi loss ) for device connectors on the desk.
A later arrival was IBM TokenRing which used twisted pair and a clumsy big black plug that was the same both ends ( there was no male and female).
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