I used CD #103 from AutoSound2000 (link here). Lots of stuff on the CD I didn't use, but it had the basic stepped tones which I used with a Radio Shack soundmeter. I think it was $19 or so, and it came in the mail about 3-4 days after I ordered.
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Jim


'Tis the exceptional fellow who lies awake at night thinking of his successes.