RFC 633 IMP/TIP Preventive Maintenance Schedule March 1974 First Wednesday CARNEGIE [0830-1130] SRI [1130-1430] First Thursday SDAC [0830-1130] UTAH [1030-1330] NORSAR [0830-1130] LONDON [0830-1130] Second Monday MIT-MAC [0830-1130] MIT-IPC [1200-1500] DOCB [1030-1330] Second Tuesday MITRE [0830-1130] USC [1130-1430] Second Wednesday CCA [0830-1130] STANFORD [1130-1430] XEROX [1500-1800] RADC [1430-1730] Second Thursday BELVOIR [0830-1130] UCSD [1130-1430] RML [0930-1230] McKenzie