Don Baker wrote:
The recent popularity of a new antenna cable called Skyhighgain Coax
has created a safety problem for users and a nightmare for
firefighters. SHGC was developed theoretically by Tricenters
Experimental Laboratories, Inc. as a signal-boosting element for use in
radio and television transmission lines. Scientists at TELI discovered
that when a bias voltage is applied to the special material used to
make SHGC the effect was incredible. Instead of simply reducing signal
loss, the signal strength increased!

Amplification of RF (radio-frequency) signals in the new coaxial
transmission cable was actually greater than 3 db (decibels) per meter
per meter. (Read that again.)

LEGAL WARNING: positive gain coax was patented in the late 1980s by the
muTek company in Britain, under the brand name "Gainiax".

Following established precedent in this newsgroup, unauthorized users of
this patented technology will be pursued with the full vigour of the
law.

muTek advertised this new product in an April RadCom... and received
several serious inquiries.

Unfortunately the factory did not survive the first production run. The
last words heard over the phone were "You want the ends of these reels
shorted together?"


--
73 from Ian G/GM3SEK 'In Practice' columnist for RadCom (RSGB)
http://www.ifwtech.co.uk/g3sek