Topband: Antenna terminations

Jeff Blaine jeff at ac0c.com
Tue Mar 12 00:45:34 EDT 2013


Depends on the method used to provide the conductivity.  If it's carbon 
black filled, the shrinking is goin g to push the molecules of the carbon 
black closer together and that results in a net decrease in volume 
resistivity.  It may not matter however, as carbon filled stuff is going to 
be in the K-ohms range in the lowest case.  Other fillers may have lower 
values.

73/jeff/ac0c
www.ac0c.com
alpha-charlie-zero-charlie

-----Original Message----- 
From: Bruce
Sent: Tuesday, March 12, 2013 6:43 AM
To: topband at contesting.com
Subject: Re: Topband: Antenna terminations


Anyone else found a lowering of resistance after heat shrinking terminations
after cool down?

73
Bruce-K1FZ



You may have some of that somewhat conductive heat shrink tubing.  Good idea
to check the glue for conductivity before use.



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