let us not forget that dissimilar metal is making a thermal couple junction point and inducing a voltage on the line also.
73, Michael - N8NOC K1-4 #3046 K3/10 #6596 KX3 #1573 On Dec 30, 2013, at 3:29 PM, Don Wilhelm <[email protected]> wrote: Hmmm, An aluminum bar tied to a copper wire! Be aware that there will be oxidation at the junction point due to dissimilar metals unless special bonding is used to slow (but not stop) the oxidation. Just something to bear in mind. 73, Don W3FPR On 12/30/2013 3:23 PM, KD0Q-Glenn wrote: > Everything in the shack is grounded to an aluminum bus bar across the back of > the operating table which is tied with #6 solid copper to the same point as > the tower and AC Main grounds. > > Just for reference, the antenna is a 260ft OCF Inverted Vee at 75 ft using a > Balun Designs #4115ocf 4:1/Choke combination balun. Coax shield is grounded > at the top and bottom of the tower. > ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[email protected] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[email protected] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
