Can I ask kindly for hint where I can make registration to the zerobeat list of K3 members please? Petr, OK1RP K3 #778 -- View this message in context: http://elecraft.365791.n2.nabble.com/Are-K3-serial-numbers-sequential-tp6476926p7593693.html Sent from the Elecraft mailing list archive at Nabble.com.