It is not necessary to use high altitude solder for altitudes under 25,000 meters. One can merely use etheral flux with standard 60/40 rosin core. Above 25,000 meter the solar flux dilutes the etheral flux and so high altitude solder IS required. Allen KA5N _______________________________________________ Elecraft mailing list Post to: [email protected] You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft
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