1978-05-11 /AP-4171F-BM/06/uetp/lib/sender.mac 1978-05-11 /BB-H137A-BM/06/uetp/lib/sender.mac 1980-02-07 /BB-H348C-RM_1982/01/swskit-v21/demos/sender.mac 1982-05-27 /k20v7d/01/uetp/lib/sender.mac