In a message dated 6/16/07 5:05:09 PM Eastern Daylight Time, [EMAIL PROTECTED] writes:
> Then we'd disassemble the xtals and > soak em in acid for a few minutes to tweak them up 3 or 5 KC. What sort of acid? The only acid I know that will etch acid is hydroflouric acid, (HF) which is incredibly dangerous stuff. There's a solution of ammonium biflouride that can do etching, which is not nearly so nasty as HF - is that what you used? 73 de Jim, N2EY ************************************** See what's free at http://www.aol.com. _______________________________________________ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com