Click the link HERE to open an OSRT membership form. The membership form is a DOC file, and should be readable by your computer. You can print the form and fill it out by hand (recommended), or fill out the form with your computer and then print it out (will require some knowledge of word processors). When finished mail it, with your check, to:
OSRT
PO Box 7863
Salem, OR 97303
You will receive a membership card in the mail within a couple weeks.
If you have any questions call 1-503-315-0930.