rmkhist.txt - text file of the version history for the RMK keyer chip. The version of the RMK is written on the bottom of the chip Release Version Date Notes ------- ------- ---------------------------------------- 45 11/15/2002 First production release 46 11/25/2002 Fixed memory recording and dah pullup bugs 47 01/09/2003 Fixed autospace and 5 ditdah tune mode problem