gregor says: In the 1990 catalog the CSA803 is priced higher than the 11801. Since I could not find any feature that the CSA803 provides but the 11801 doesn't I really wonder how this is possible. Is there any feature a CSA has that a 11801 doesn't?
kurt says: The only information I can find is this: https://groups.io/g/TekScopes/message/121941