BBC PD Disk 148 – Parameter Math (19xx)(-)(BBC-148)
Packet Text Files (19xx)(-)[h 8-Bit](TBI-88)[bootfile]
Amateur Radio (19xx)(-)(TBI-71)[bootfile-ADFS]
Ham Radio Programs (19xx)(-)[h 8-Bit](TBI-73-D)[bootfile]
More Amateur Radio (19xx)(-)(TBI-73)[bootfile-ADFS]
Radio Amateur Software (19xx)(8-Bit)(TBI-66)[bootfile]