Many thanks to SWLing Post contributor, Zack Schindler, who writes:
Oh this brings back memories. I bought a lot of stuff from Radio West. Here is their catalog from 1983. Had them install a Collins mechanical filter in my Kenwood R-1000.
Thanks for sharing this bit of retail nostalgia, Zack! This download is one of thousands available at the excellent American Radio History website.
Any other patrons of Radio West? Please comment!