Ron, I have a copy of the PK-232 DSP add on instructions here in the shack that I can copy and mail to you (if still needed). Just send me your address. 73 Paul N. Gayet AA1SU ARRL Vermont Section Manager AA1SU at arrl.org FISTS #4028 Please visit http://www.arrl.org/sections/?sect=VT for the latest in ARRL Vermont Section News