I'm not sure you're going to be all that thrilled with it. Here's what
the Tessco web site says about it:
"Radiax slotted coaxial cables solve wireless communication problems in
confined areas, such as buildings and tunnels, functioning as a
continuous distributed antenna. RADIAX is a coaxial cable with carefully
controlled slots in the outer conductor that allows RF signals to be
coupled from and into the cable uniformly along the entire length of
cable. RADIAX cable is an excellent tool for communications in
buildings where the potential for RF blockage of point-source antennas
due to obstructions is high and where multiple services such as
cellular, PCS, paging, and safety/emergency communications are required."
I suppose it is likely that the slots might not actually allow very much
leakage at HF, but the downside is that you lose the water-tightness of
normal heliax for buried applications. It will be interesting to hear
what kind of loss you measure.
73,
Dave AB7E
Dan Hearn wrote:
> I picked up a roll of hardline with the following label. 84147 Andrew
> Radiax TMRX5-1R Coaxial Cable. It appears to be 7/8 stuff. There appears to
> be some sort of waxy material between the OD of the copper outer and the
> plastic covering. At least, that is what I find at the ends of the 250 ft
> piece. I plan to try a 50 ohm termination and measure the loss soon. Any
> ideas?
> 73, Dan, N5AR
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