[CQ-Contest] 75 to 50 ohm balun

[Grillo's]

Thanks to all who answered (CC list attached).  I should have added the fact
that my feed line will be connected to a multiple HF antenna switching box.
All antennas will have a 50 ohm feed point impedance.  Some are monoband,
others are multi-band.  This calls for impedance matching from 1.8 to 30 MHz
to maintain a 1:1 SWR. Many responded with monoband solutions that involve
making up a large number of coax connections.  Also, the run is over 300'.
I am already having to deal with resistive losses for the upper frequencies
(That's why I chose hardline, and CATV spools I obtained were free!), so any
connection losses in the coax run must be kept to a minimum.   I was looking
for an elegant single component solution, off the shelf.

It appears that the simplest solution is to use the Amidon Unun concept.  I
have sent inquiry to Amidon for the right product which will match the CATV
hardline cable through Unun and into a PL-259 female connection (WX0B switch
box).  Their basic Unun products suitable for up to 2 KW throughput are
$59.95.  This seems to be a fair price for a simple solution.

I looked up I. C. E. in Google and got 28,000,000 hits.  Adding the word
"transformer" to the search gave me over 800,000 hits.  None of these hits
led to a product, so I gave up on that one.  Perhaps someone could offer a
more direct link to the I.C.E. web site idea.

73,
Pete
W0RTT