2010-03-25 2010-06-22 First Come First Served Codes beginning with the character "X" are reserved for experimentation and development. IANA cannot assign them. GOES Geosynchronous Orbit Environment Satellite GPS Global Position System GAL Galileo Positioning System PPS Generic pulse-per-second IRIG Inter-Range Instrumentation Group WWVB LF Radio WWVB Ft. Collins, CO 60 kHz DCF LF Radio DCF77 Mainflingen, DE 77.5 kHz HBG LF Radio HBG Prangins, HB 75 kHz MSF LF Radio MSF Anthorn, UK 60 kHz JJY LF Radio JJY Fukushima, JP 40 kHz, Saga, JP 60 kHz LORC MF Radio LORAN C station, 100 kHz TDF MF Radio Allouis, FR 162 kHz CHU HF Radio CHU Ottawa, Ontario WWV HF Radio WWV Ft. Collins, CO WWVH HF Radio WWVH Kauai, HI NIST NIST telephone modem ACTS NIST telephone modem USNO USNO telephone modem PTB European telephone modem First Come First Served Codes beginning with the character "X" are reserved for experimentation and development. IANA cannot assign them. ACST The association belongs to a unicast server AUTH Server authentication failed AUTO Autokey sequence failed BCST The association belongs to a broadcast server CRYP Cryptographic authentication or identification failed DENY Access denied by remote server DROP Lost peer in symmetric mode RSTR Access denied due to local policy INIT The association has not yet synchronized for the first time MCST The association belongs to a dynamically discovered server NKEY No key found. Either the key was never installed or is not trusted RATE Rate exceeded. The server has temporarily denied access because the client exceeded the rate threshold RMOT Alteration of association from a remote host running ntpdc. STEP A step change in system time has occurred, but the association has not yet resynchronized IETF Review 0x0002 No-Operation Request 0x8002 No-Operation Response 0xC002 No-Operation Error Response 0x0102 Association Message Request 0x8102 Association Message Response 0xC102 Association Message Error Response 0x0202 Certificate Message Request 0x8202 Certificate Message Response 0xC202 Certificate Message Error Response 0x0302 Cookie Message Request 0x8302 Cookie Message Response 0xC302 Cookie Message Error Response 0x0402 Autokey Message Request 0x8402 Autokey Message Response 0xC402 Autokey Message Error Response 0x0502 Leapseconds Message Request 0x8502 Leapseconds Message Response 0xC502 Leapseconds Message Error Response 0x0602 Sign Message Request 0x8602 Sign Message Response 0xC602 Sign Message Error Response 0x0702 IFF Identity Message Request 0x8702 IFF Identity Message Response 0xC702 IFF Identity Message Error Response 0x0802 GQ Identity Message Request 0x8802 GQ Identity Message Response 0xC802 GQ Identity Message Error Response 0x0902 MV Identity Message Request 0x8902 MV Identity Message Response 0xC902 MV Identity Message Error Response