On Sat, 28 Aug 2010 11:14:33 +0100, Ian White GM3SEK wrote: >>Not many beams around my way in those days; I'm more interested in >>keeping noise out of the receiver. >> >These days, that is often the most important reason to use feedline >chokes.
YES! And keeping RF out of the shack, and out of your neighbor's living room high futility system. >As I said previously, any choke that is liable to this kind of >measurement error will have exactly the same problems in a practical >installation - only far, far worse - resulting in unreliable >performance. That is a very good reason to avoid high-Q (frequency >selective) chokes and choose a more broadband design. YES. This is the fundamental problem with #61 as a core material. 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
