Bart WH6AA The 2.14 MB keyspanUSAdrvr.pkg.zip for the USA-19HS OS X 10.6 driver for your USA-19HS serial/USB adapter was just mailed to your email address. Hopefully, your roadrunner will accept a 2 MB mail attachment.
Please read and follow the installer instructions. It is very important that you have the device removed before running the installer. The driver works FB with my Keyspan USA28A and Hamlib for rig control of my Kenwood. 73 Dick AA5VU Ps: Dino KL0S may be able to give you the link to the web page where the new drivers can be downloaded. Keyspan was sold to another firm and that is where I picked up the driver even though their customer support sent me a note that older Keyspan products were orphaned. be
