26 October 2012 FA/GPSW.410 Dear Colleagues, Please find enclosed tracking schedule No. 59 for international time and frequency comparisons by GPS common-view single-channel receivers. Computation of this schedule is fully automated. It follows that all areas have an equal number of tracks (48). The enclosed schedule should be implemented on MJD 56231 (31 October 2012) 00h00 UTC. The GPS tracking schedules continue to be sent to regular users by e-mail and are also available by anonymous FTP (ftp2.bipm.org, node 62.161.69.5, subdirectory pub\tai\publication) and on the BIPM website (http://www.bipm.org). The track times given in this schedule are the start times for the 13 minute standard tracks. Because a period of about 2 minutes is usually required to lock the receiver onto the satellite signal, this delay must be subtracted from the given track time. It follows that if you operate an ‘NBS-type’ receiver, for instance TTR 5, TTR 5A, TTR 6 or TTR 6A from AOA, you must modify the given track time: for example, the European schedule of PRN 08 at 00h06 should be entered in the AOA receivers at 00h04. For TTR 6 users a utility software (TTR6SCHLOAD) to upload correctly the schedule in the receiver can be found in the FTP server (ftp2.bipm.org, node 62.161.69.5, subdirectory pub\tai\data). This tracking schedule conforms with the technical directives for standardization drawn up by the CCTF Group on Global navigation satellite systems Time Transfer Standards (CGGTTS). Please feel free to contact us if there are questions, suggestions or comments regarding the enclosed documents. Yours sincerely, E. Felicitas Arias Director, BIPM Time Department Note for multi-channel receivers Multi-channel receivers do not need to implement the new schedules if they refer track times to MJD 50722 (1 October 1997), the reference date of GPS schedule No. 29. As schedules for single-channel receivers always refer to this date, compatibility between multi- channel and single-channel observations is maintained. In the future, when all single-channel receivers are withdrawn from operation, the use of a fixed reference date for multi-channel receivers will allow us to cease publication of this common-view schedule. ***************************************************************************** * GPS Schedule no 59 * * for implementation on MJD 56231 (31 October 2012) at 0h UTC * * Reference date MJD 50722 (1997 October 1) * ***************************************************************************** This is a suggested tracking schedule for international time comparisons using GPS satellites in common-view between ten areas of the globe. Area Participating laboratories Europe E AOS, BEV, BIM, BY, CAO, CH, DLR, DMDM, DTAG, EIM, IFAG, IPQ, IT, JV, KZ, LT, Mad*, MIKE, MKEH, NIMB, NPL, OB*, OCA*, OP, ORB, PL, PTB, RAAI*, RIRT*, ROA, SIQ, SMD, SMU, SP, SU, TP, UA, UME, VSL East North America ENA AO*, APL, NRC, NRL, USNO West North America WNA AMC*, CNM, CNMP, Gold*, NIST, WWV* Hawaii H WWVH* East Asia EA BIRM, HKO, JATC, KIM, KRIS, NAO, NICT, NIM, NIMT, NMIJ, NMLS, NTSC, SCL, SG, TL, VMI Australia and New Zealand A AUS, Can*, MSL India I NPLI Middle East ME INPL, NIS South Africa SAF KEBS,ZA South America SAM IGNA, INTI, INXE*, Kou*, ONBA, ONRJ, TCC Laboratories participating in TAI are designated by their usual acronyms (see Table 3 of the BIPM Annual Report on Time Activities, Volume 6, 2011, available in the BIPM web site); other laboratories are indicated by an asterisk. * AMC : USNO Alternate Master Clock, Colorado. AO : Arecibo Observatory. INXE : INMETRO - National Institute for Metrology and Technology - Time and Frequency Laboratory, Rio de Janeiro, Brazil. Kou : CNES Kourou Center. Mad, Gold, Can : JPL Deep Space Network, Madrid, Goldstone, Canberra. OCA : Observatoire de la Cote d'Azur, Grasse, France. OB : Observatoire de Besançon, Besançon, France. RIRT : Russian Institute of Radionavigation and Time, Saint Petersburg. RAAI : Romanian Academy Astronomical Institute, Bucarest. WWV, WWVH : NIST stations in Colorado and Hawaii. The start times of the tracks are referenced to UTC. The start time of a track is the date of the first observation. It may be necessary to advance this time by 2 minutes if you operate an NBS-type receiver, in order to allow the lock-on procedure onto the satellite signal. The track length is 780 s. All the track times should be decremented by 4 minutes each day, to account for the GPS sidereal orbits. The class bytes are such that in association with the satellite number they form a unique identifyer for each common view. GPS Schedule no 59 (31 October 2012) *** Europe *** Class PRN Start Connects h m A0 08 0 2 ME,I,EA BC 05 0 18 SAF,ME,SAM 74 15 0 50 WNA,ME,ENA BD 05 1 6 SAF,ME,SAM A0 28 1 22 ME,I,EA BC 17 1 54 SAF,ME,I A1 28 2 10 ME,I,EA A0 17 2 26 ME,I,EA A1 17 3 14 ME,I,EA A2 17 3 46 ME,I,EA BC 09 4 50 SAF,ME,I BC 29 5 22 SAF,ME,SAM A0 02 5 54 ME,I,EA A1 02 6 26 ME,I,EA A2 02 6 42 ME,I,EA A3 02 6 58 ME,I,EA 74 31 7 14 WNA,ME,ENA BC 25 8 18 SAF,ME,I 74 30 8 50 WNA,ME,ENA A0 29 9 6 ME,I,EA BC 31 9 22 SAF,ME,SAM 74 16 10 10 WNA,ME,ENA 74 06 10 26 WNA,ME,ENA,SAM BC 18 10 58 SAF,ME,I 74 03 11 14 WNA,ME,ENA A0 21 11 30 ME,I,EA BC 16 12 2 SAF,ME,SAM 74 19 12 18 WNA,ME,ENA A0 18 12 34 ME,I,EA 18 11 13 22 WNA,ENA,SAM BC 32 13 38 SAF,ME,SAM 18 01 13 54 WNA,ENA,SAM A0 22 14 10 ME,I,EA 74 01 14 26 WNA,ME,ENA,SAM BC 23 16 14 SAF,ME,SAM BD 23 17 2 SAF,ME,SAM BC 13 17 34 SAF,ME,SAM BD 13 17 50 SAF,ME,SAM D4 13 18 22 SAF,ME,SAM 74 04 18 54 WNA,ME,ENA 74 10 19 58 WNA,ME,ENA BC 08 20 30 SAF,ME,SAM BD 04 21 2 SAF,ME,SAM BD 08 21 18 SAF,ME,SAM 74 05 22 6 WNA,ME,ENA 75 05 22 22 WNA,ME,ENA A0 07 22 54 ME,I,EA 74 26 23 10 WNA,ME,ENA GPS Schedule no 59 (31 October 2012) *** E. North America *** *** W. North America *** *** East Asia *** Class PRN Start Connects Class PRN Start Connects Class PRN Start Connects h m h m h m 34 18 0 2 WNA,H 34 18 0 2 H,ENA A0 08 0 2 ME,I,E 35 18 0 34 WNA,H 34 06 0 18 H,EA 34 06 0 18 WNA,H 74 15 0 50 WNA,ME,E 35 18 0 34 H,ENA AC 01 0 34 I,A 18 21 1 22 WNA,SAM 74 15 0 50 ME,ENA,E A0 28 1 22 ME,I,E 19 21 1 54 WNA,SAM 18 21 1 22 ENA,SAM 3C 32 1 38 A,H 34 14 2 10 WNA,H 19 21 1 54 ENA,SAM A1 28 2 10 ME,I,E 35 14 2 26 WNA,H 34 14 2 10 H,ENA A0 17 2 26 ME,I,E 68 18 2 58 SAM 35 14 2 26 H,ENA 38 01 2 42 I,H 69 18 3 14 SAM 34 31 3 30 H,ENA,SAM 3C 20 2 58 A,H 34 31 3 30 WNA,H,SAM 35 31 3 46 H,ENA,SAM A1 17 3 14 ME,I,E 35 31 3 46 WNA,H,SAM D4 31 4 2 H,ENA,SAM BC 04 3 30 SAF,ME,I D4 31 4 2 WNA,H,SAM 34 01 4 18 H,EA A2 17 3 46 ME,I,E 68 22 4 18 SAM 34 32 4 34 H,EA,ENA 34 01 4 18 WNA,H 34 32 4 34 WNA,H,EA D5 31 4 50 H,ENA 34 32 4 34 WNA,H,ENA D5 31 4 50 WNA,H D6 31 5 6 H,ENA 34 20 5 22 WNA,H D6 31 5 6 WNA,H 34 20 5 22 H,EA 35 20 5 38 WNA,H,ENA 35 20 5 38 WNA,H,EA 35 20 5 38 H,EA,ENA A0 02 5 54 ME,I,E 18 30 6 26 WNA,SAM 18 30 6 26 ENA,SAM AC 17 6 10 I,A,H 74 31 7 14 WNA,ME,E 74 31 7 14 ME,ENA,E A1 02 6 26 ME,I,E 35 32 7 30 WNA,H,SAM 35 32 7 30 H,ENA,SAM A2 02 6 42 ME,I,E D4 32 7 46 WNA,H,SAM D4 32 7 46 H,ENA,SAM A3 02 6 58 ME,I,E 34 13 8 18 WNA,H,EA 34 13 8 18 H,EA,ENA 34 13 8 18 WNA,H,ENA 68 06 8 34 SAM 74 30 8 50 ME,ENA,E AC 26 8 34 I,A 74 30 8 50 WNA,ME,E 74 16 10 10 ME,ENA,E 3C 04 8 50 A,H 68 03 9 6 SAM 74 06 10 26 ME,ENA,E,SAM A0 29 9 6 ME,I,E 74 16 10 10 WNA,ME,E 35 13 10 58 H,ENA,SAM AD 26 9 22 I,A 74 06 10 26 WNA,ME,E,SAM 74 03 11 14 ME,ENA,E 3C 02 9 54 A,H 35 13 10 58 WNA,H,SAM 74 19 12 18 ME,ENA,E A0 21 11 30 ME,I,E 74 03 11 14 WNA,ME,E 34 26 12 50 H,EA AC 09 12 2 I,A 74 19 12 18 WNA,ME,E 18 11 13 22 ENA,E,SAM 3C 05 12 18 A,H 18 11 13 22 WNA,E,SAM 18 01 13 54 ENA,E,SAM A0 18 12 34 ME,I,E 18 01 13 54 WNA,E,SAM 74 01 14 26 ME,ENA,E,SAM 34 26 12 50 WNA,H 74 01 14 26 WNA,ME,E,SAM 34 09 15 42 H,EA,ENA A0 22 14 10 ME,I,E 34 09 15 42 WNA,H,EA 35 09 15 58 H,EA,ENA 3C 12 14 26 A,H 35 09 15 58 WNA,H,EA 34 12 17 18 H,EA,ENA 3D 12 14 58 A,H 34 12 17 18 WNA,H,EA 35 12 17 34 H,EA,ENA 34 09 15 42 WNA,H,ENA 35 12 17 34 WNA,H,EA 34 02 17 50 H,ENA 35 09 15 58 WNA,H,ENA 34 02 17 50 WNA,H D4 12 18 38 H,ENA AC 22 17 2 I,A D4 12 18 38 WNA,H 74 04 18 54 ME,ENA,E 34 12 17 18 WNA,H,ENA 74 04 18 54 WNA,ME,E 34 25 19 10 H,EA,ENA 35 12 17 34 WNA,H,ENA 34 25 19 10 WNA,H,EA 74 10 19 58 ME,ENA,E 34 25 19 10 WNA,H,ENA 74 10 19 58 WNA,ME,E 34 21 21 50 H,EA,ENA BD 32 19 26 SAF,ME,I 34 21 21 50 WNA,H,EA 74 05 22 6 ME,ENA,E AC 06 20 14 I,A 74 05 22 6 WNA,ME,E 75 05 22 22 ME,ENA,E AC 03 20 46 I,A 75 05 22 22 WNA,ME,E 34 29 22 38 H,ENA,SAM 3C 31 21 2 A,H 34 29 22 38 WNA,H,SAM 35 29 22 54 H,ENA,SAM 34 21 21 50 WNA,H,ENA 35 29 22 54 WNA,H,SAM 74 26 23 10 ME,ENA,E A0 07 22 54 ME,I,E 74 26 23 10 WNA,ME,E 80 30 23 26 A,H,EA 80 30 23 26 WNA,A,H GPS Schedule no 59 (31 October 2012) *** Hawaii *** *** Australia *** *** India *** Class PRN Start Connects Class PRN Start Connects Class PRN Start Connects h m h m h m 34 18 0 2 WNA,ENA AC 01 0 34 I,EA A0 08 0 2 ME,EA,E 34 06 0 18 WNA,EA CC 13 0 50 SAF F1 07 0 18 I 35 18 0 34 WNA,ENA 3C 16 1 6 H AC 01 0 34 A,EA 3C 16 1 6 A CD 13 1 22 SAF F2 07 0 50 I 3C 32 1 38 A,EA 3C 32 1 38 H,EA FB 07 1 6 I 34 14 2 10 WNA,ENA CC 10 2 42 SAF A0 28 1 22 ME,EA,E 35 14 2 26 WNA,ENA 3C 20 2 58 H,EA FC 07 1 38 I 38 01 2 42 I,EA CD 10 3 14 SAF BC 17 1 54 SAF,ME,E 3C 20 2 58 A,EA CC 05 5 6 SAF A1 28 2 10 ME,EA,E 34 31 3 30 WNA,ENA,SAM CD 05 5 38 SAF A0 17 2 26 ME,EA,E 35 31 3 46 WNA,ENA,SAM CC 26 5 54 SAF 38 01 2 42 H,EA D4 31 4 2 WNA,ENA,SAM AC 17 6 10 I,H,EA F1 08 2 58 I 34 01 4 18 WNA,EA CD 26 6 26 SAF A1 17 3 14 ME,EA,E 34 32 4 34 WNA,EA,ENA CC 15 7 14 SAF BC 04 3 30 SAF,ME,EA D5 31 4 50 WNA,ENA CD 15 7 30 SAF A2 17 3 46 ME,EA,E D6 31 5 6 WNA,ENA AC 26 8 34 I,EA F1 04 4 2 I 34 20 5 22 WNA,EA 3C 04 8 50 H,EA F2 04 4 18 I 35 20 5 38 WNA,EA,ENA CC 09 9 6 SAF A4 02 4 34 SAF AC 17 6 10 I,A,EA AD 26 9 22 I,EA BC 09 4 50 SAF,ME,E 35 32 7 30 WNA,ENA,SAM 3D 04 9 38 H F1 02 5 6 I D4 32 7 46 WNA,ENA,SAM 3C 02 9 54 H,EA F2 02 5 22 I 38 10 8 2 I CC 12 10 26 SAF FB 02 5 38 I 34 13 8 18 WNA,EA,ENA AC 09 12 2 I,EA A0 02 5 54 ME,EA,E 3C 04 8 50 A,EA 3C 05 12 18 H,EA AC 17 6 10 A,H,EA 3D 04 9 38 A CC 25 12 34 SAF A1 02 6 26 ME,EA,E 3C 02 9 54 A,EA CC 29 12 50 SAF A2 02 6 42 ME,EA,E 35 13 10 58 WNA,ENA,SAM CD 29 13 6 SAF A3 02 6 58 ME,EA,E 38 26 11 14 I 3D 05 13 22 H FC 02 7 14 I 3C 05 12 18 A,EA 3C 12 14 26 H,EA FD 02 7 30 I 34 26 12 50 WNA,EA 3D 12 14 58 H,EA 38 10 8 2 H 3D 05 13 22 A CC 30 15 42 SAF BC 25 8 18 SAF,ME,E 3C 12 14 26 A,EA 3C 15 16 14 H AC 26 8 34 A,EA 3D 12 14 58 A,EA CD 30 16 30 SAF A0 29 9 6 ME,EA,E 34 09 15 42 WNA,EA,ENA A4 30 16 46 SAF,I AD 26 9 22 A,EA 35 09 15 58 WNA,EA,ENA AC 22 17 2 I,EA BC 18 10 58 SAF,ME,E 3C 15 16 14 A CC 06 17 18 SAF 38 26 11 14 H 34 12 17 18 WNA,EA,ENA A4 16 18 6 SAF,I A0 21 11 30 ME,EA,E 35 12 17 34 WNA,EA,ENA CC 03 18 38 SAF AC 09 12 2 A,EA 34 02 17 50 WNA,ENA CD 03 18 54 SAF A0 18 12 34 ME,EA,E D4 12 18 38 WNA,ENA 3C 21 19 26 H A0 22 14 10 ME,EA,E 34 25 19 10 WNA,EA,ENA CC 19 19 42 SAF A4 30 16 46 SAF,A 3C 21 19 26 A AC 06 20 14 I,EA AC 22 17 2 A,EA 3C 31 21 2 A,EA AC 03 20 46 I,EA A4 16 18 6 SAF,A 34 21 21 50 WNA,EA,ENA 3C 31 21 2 H,EA BD 32 19 26 SAF,ME,EA 38 16 22 6 I CC 32 21 50 SAF AC 06 20 14 A,EA 34 29 22 38 WNA,ENA,SAM CC 20 22 38 SAF AC 03 20 46 A,EA 35 29 22 54 WNA,ENA,SAM CD 20 23 10 SAF 38 16 22 6 H 80 30 23 26 WNA,A,EA 80 30 23 26 WNA,H,EA A0 07 22 54 ME,EA,E GPS Schedule no 59 (31 October 2012) *** Middle East *** *** South Africa *** *** South America *** Class PRN Start Connects Class PRN Start Connects Class PRN Start Connects h m h m h m A0 08 0 2 I,EA,E BC 05 0 18 ME,E,SAM F8 02 0 2 SAM BC 05 0 18 SAF,E,SAM CC 13 0 50 A BC 05 0 18 SAF,ME,E 74 15 0 50 WNA,ENA,E BD 05 1 6 ME,E,SAM F8 09 0 34 SAM BD 05 1 6 SAF,E,SAM CD 13 1 22 A FB 09 0 50 SAM A0 28 1 22 I,EA,E BC 17 1 54 ME,I,E BD 05 1 6 SAF,ME,E BC 17 1 54 SAF,I,E CC 10 2 42 A 18 21 1 22 WNA,ENA A1 28 2 10 I,EA,E CD 10 3 14 A F8 12 1 38 SAM A0 17 2 26 I,EA,E BC 04 3 30 ME,I,EA 19 21 1 54 WNA,ENA A1 17 3 14 I,EA,E A4 02 4 34 I FB 12 2 10 SAM BC 04 3 30 SAF,I,EA BC 09 4 50 ME,I,E FC 12 2 26 SAM A2 17 3 46 I,EA,E CC 05 5 6 A FD 12 2 42 SAM BC 09 4 50 SAF,I,E BC 29 5 22 ME,E,SAM 68 18 2 58 ENA BC 29 5 22 SAF,E,SAM CD 05 5 38 A 69 18 3 14 ENA A0 02 5 54 I,EA,E CC 26 5 54 A 34 31 3 30 WNA,H,ENA A1 02 6 26 I,EA,E CD 26 6 26 A 35 31 3 46 WNA,H,ENA A2 02 6 42 I,EA,E CC 15 7 14 A D4 31 4 2 WNA,H,ENA A3 02 6 58 I,EA,E CD 15 7 30 A 68 22 4 18 ENA 74 31 7 14 WNA,ENA,E BC 25 8 18 ME,I,E F8 18 4 34 SAM BC 25 8 18 SAF,I,E CC 09 9 6 A FB 18 4 50 SAM 74 30 8 50 WNA,ENA,E BC 31 9 22 ME,E,SAM FC 18 5 6 SAM A0 29 9 6 I,EA,E CC 12 10 26 A BC 29 5 22 SAF,ME,E BC 31 9 22 SAF,E,SAM CA 31 10 42 SAM FD 18 5 38 SAM 74 16 10 10 WNA,ENA,E BC 18 10 58 ME,I,E FE 18 5 54 SAM 74 06 10 26 WNA,ENA,E,SAM BC 16 12 2 ME,E,SAM F8 14 6 10 SAM BC 18 10 58 SAF,I,E CC 25 12 34 A 18 30 6 26 WNA,ENA 74 03 11 14 WNA,ENA,E CC 29 12 50 A 35 32 7 30 WNA,H,ENA A0 21 11 30 I,EA,E CD 29 13 6 A D4 32 7 46 WNA,H,ENA BC 16 12 2 SAF,E,SAM BC 32 13 38 ME,E,SAM 68 06 8 34 ENA 74 19 12 18 WNA,ENA,E CC 30 15 42 A 68 03 9 6 ENA A0 18 12 34 I,EA,E BC 23 16 14 ME,E,SAM BC 31 9 22 SAF,ME,E BC 32 13 38 SAF,E,SAM CD 30 16 30 A 74 06 10 26 WNA,ME,ENA,E A0 22 14 10 I,EA,E A4 30 16 46 I,A CA 31 10 42 SAF 74 01 14 26 WNA,ENA,E,SAM BD 23 17 2 ME,E,SAM 35 13 10 58 WNA,H,ENA BC 23 16 14 SAF,E,SAM CC 06 17 18 A BC 16 12 2 SAF,ME,E BD 23 17 2 SAF,E,SAM BC 13 17 34 ME,E,SAM 18 11 13 22 WNA,ENA,E BC 13 17 34 SAF,E,SAM BD 13 17 50 ME,E,SAM BC 32 13 38 SAF,ME,E BD 13 17 50 SAF,E,SAM A4 16 18 6 I,A 18 01 13 54 WNA,ENA,E D4 13 18 22 SAF,E,SAM D4 13 18 22 ME,E,SAM 74 01 14 26 WNA,ME,ENA,E 74 04 18 54 WNA,ENA,E CC 03 18 38 A BC 23 16 14 SAF,ME,E BD 32 19 26 SAF,I,EA CD 03 18 54 A BD 23 17 2 SAF,ME,E 74 10 19 58 WNA,ENA,E BD 32 19 26 ME,I,EA BC 13 17 34 SAF,ME,E BC 08 20 30 SAF,E,SAM CC 19 19 42 A BD 13 17 50 SAF,ME,E BD 04 21 2 SAF,E,SAM BC 08 20 30 ME,E,SAM D4 13 18 22 SAF,ME,E BD 08 21 18 SAF,E,SAM BD 04 21 2 ME,E,SAM BC 08 20 30 SAF,ME,E 74 05 22 6 WNA,ENA,E BD 08 21 18 ME,E,SAM BD 04 21 2 SAF,ME,E 75 05 22 22 WNA,ENA,E CC 32 21 50 A BD 08 21 18 SAF,ME,E A0 07 22 54 I,EA,E CC 20 22 38 A 34 29 22 38 WNA,H,ENA 74 26 23 10 WNA,ENA,E CD 20 23 10 A 35 29 22 54 WNA,H,ENA