|Subject:||Re: [TowerTalk] There's 'ground', and then there's 'ground'|
|From:||"Roger Halstead" <email@example.com>|
|Date:||Sun, 16 Jan 2005 22:43:36 -0500|
I've replaced quite a few coax cables from the tank coil to the relay on a number of well known amps.In HF power amplifiers, I have found a good general rule of thumb is this: At 30 MHz is the clean braid from RG-8 cable has about the same current carrying capacity as #14 or 16 tinned solid buss wire.
The braid would get hot, the dielectric melt right where it went into the shield, and then short.
It was easy to fix and I never saw it damage anything else, except for a few DXers dispostions. <G>
See: http://www.mscomputer.com for "Self Supporting Towers", "Wireless Weather Stations", and lot's more. Call Toll Free, 1-800-333-9041 with any questions and ask for Sherman, W2FLA.
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