On 4/8/2012 5:10 PM, Bob Nielsen wrote: > RG142 has a copperweld center conductor which isn't very flexible RG400 is > similar but has a stranded center conductor and is more flexible (but also > expensive).
The steel component of copperweld makes it lossier than solid or stranded copper below about 10 MHz. You can see this in graphs of loss vs frequency for coax with CCS center conductor. 73, Jim K9YC ______________________________________________________________ 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
