Rick,
RF connections are never made of ferrous material (steel). The
tubing normally is either nickle or silver plated brass or
copper. Check it with your magnet. The companies that make
broadcast station ATU's have it and maybe you could bum a small
quantity. Kintronics and Phasetek. The ends are normally flattened
and drilled to accept plated brass hardware although I have seen
terminals silver soldered to it.
Larry
W3LW
At 09:51 PM 7/9/2007, you wrote:
I need to make a couple of RF connections using 1/4" O.D. tubing. The stuff
that is already in the transmitter appears to be soft steel of some kind.
It's not aluminum and could possibly be coated copper. Any ideas of what
this is? I checked McMaster-Carr and they have some annealed steel aircraft
tubing that appears to be similar, but I'm not sure. I only need a couple
of feet, so I hate to buy $30.00 to get it.
Thanks for any help or advice...
Rick/K5IAR
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