[TowerTalk] Connectors for 3/4 in. CATV Hardline

[JC Smith]

Jim,

Did you build or buy the transformers (ununs?)?

Thanks & 73 - JC, K0HPS


-----Original Message-----
From: towertalk-bounces at contesting.com
[mailto:towertalk-bounces at contesting.com]On Behalf Of James
Sent: Tuesday, August 08, 2006 10:38 AM
To: towertalk at contesting.com
Subject: Re: [TowerTalk] Connectors for 3/4 in. CATV Hardline

connectors for CATV line.

I have made several 2 meter and 440 transformers for use with CATV line.

Use copper tubing from a hobby supply store that has the ID of the OD of the
center conductor.  round off the center conductor with a file and fish mouth
the tubing.  use copper tubing ID same as OD of hardline to bridge the two
ends.

Using the same technique you can make a connector for SO239.
Cut the hardline outer layer back a few inches.  With the center conductor
cleaned of the insulator, slip it into the center of the connector & solder.
Make a sleeve of copper or aluminum and hold it in place with a S S pipe
clamp.  This connection will also need to be supported but you can do that
with tape against the tubing or whatever is close to the connection.

I use CATV cable to connect to 2 mtr and 440 antennas.  Cheep and low loss.
With a 75 to 52 ohm transformer at each end it works out great.

JIM
KV4FE  (N. FL)


-----Original Message-----
From: towertalk-bounces at contesting.com
[mailto:towertalk-bounces at contesting.com] On Behalf Of Norm Duxbury
Sent: Tuesday, August 08, 2006 12:54 PM
To: towertalk at contesting.com
Subject: [TowerTalk] Connectors for 3/4 in. CATV Hardline

Does anyone know a source for connectors f/u/w 3/4 in. CATV hardline?

73, Norm, W1MO
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