Very? interesting postings.? But are we using a cannon to kill a fly?? These filters are all good and do the job I am sure.? But they are expensive,? and handle hundreds of? Watts.
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Joy runs qrp. A KX2 I believe,? and she is running? 10 W at the most.? I don't think I have ever seen anyone out at Baylands who wasn't running qrp. Correct me if I? am wrong.? So we have one qrp station on 20 meters who wants to avoid interference from? other stations on other bands who are also running qrp.? Why does she need a filter that will hand hundreds of Watts and is very expensive?
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One of the things that attracted me to qrp was that you don't need a lot of money for equipment? ((at least you didn't? before Elecraft came on the scene) and I love and have their gear).
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It's easy to build a band pass filter in an altoids tin.? Hiroki how about you and I build one and see how it works.? ?Build it and test it empirically.? ?Is the challenge accepted?? The rest of you are welcome to try too.
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I love this group because they actually do ham radio.
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Doug
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