I have the opportunity to buy an old PK-232 TNC quite inexpensively. No DSP or other upgrades. I would buy the upgrade kit from Timewave and install it. I am currently using RITTY with WL. Any opinions as to how much improvement in copy I might get by using both RITTY and the upgraded PK-232 simultaneously with WL? Any cautions about PK-232? TIA for your comments. 73 de Jim Smith VE7FO