the It was tried by Interface Age, Robert Uterwick's (SP?) Floppy rom was a 6800 based basic and there was an 8080 accounting package. They relied on the then standard or easily assembled Kansas city standard (300 baud redundant FM) as the modulation and then applied the "tape File" standards appropriate to the cpu/monitor in question. They were 33-1/3rpm small diameter formats (sound sheets). Allison