26 September 2006 FA/GPSW.397 Dear Colleagues, Please find enclosed tracking schedule No. 47 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 54007 (29 September 2006) 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 Head, Time Section 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 In the future, when all single-channel receivers are withdrawn from operation, the use of a fixed reference date for multi-channel receivers will allow us to cease publication of this common-view schedule.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 47 * * for implementation on MJD 54007 (29 September 2006) 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, BY, CAO, CH, DLR, DTAG, IT, IFAG, IPQ*, JV, LDS, LT, Mad*, MIKE, NIMB, NMC, NPL, OCA*, OMH, OP, ORB, PL, PTB, RAAI*, RIRT*, ROA, SMU, SP, SU, TP, UME, VSL, ZMDM East North America ENA AO*, APL, NRC, USNO West North America WNA CNM, CNMP, NIST, AMC, Gold*, WWV* Hawaii H WWVH* East Asia EA BIRM, HKO, JATC, KRIS, NAO, NICT, NIM, NIMT, NMIJ, NMLS, NTSC, SCL, SG, TL Australia and New Zealand A AUS, Can*, MSL India I NPLI Middle East ME INPL, NIS South Africa SAF CSIR South America SAM IGMA, Kou*, ONBA, ONRJ, TCC Laboratories participating in TAI are designated by their usual acronyms (see Table 3 of the Annual Report of the BIPM Time Section, Volume 18, 2005); other laboratories are indicated by an asterisk. * AO : Arecibo Observatory. IPQ : Institute Portigues da Qualidade, Monte de Caparica, Portugal. Kou : CNES Kourou Center. Mad, Gold, Can : JPL Deep Space Network, Madrid, Goldstone, Canberra. OCA : Observatoire de la Cote d'Azur, Grasse, 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 47 (29 September 2006) *** Europe *** Class PRN Start Connects h m BC 23 0 26 SAF,ME,SAM A0 01 0 42 ME,I,EA A1 01 0 58 ME,I,EA A2 01 1 14 ME,I,EA BD 13 2 2 SAF,ME,SAM 74 24 2 18 WNA,ME,ENA 74 04 2 50 WNA,ME,ENA A0 23 3 54 ME,I,EA A1 23 4 10 ME,I,EA A2 23 4 42 ME,I,EA A3 23 4 58 ME,I,EA A0 13 5 14 ME,I,EA A1 13 5 30 ME,I,EA 74 10 6 2 WNA,ME,ENA A0 27 6 50 ME,I,EA 18 26 7 22 WNA,ENA,SAM 19 26 7 38 WNA,ENA,SAM 74 29 7 54 WNA,ME,ENA 74 26 8 10 WNA,ME,ENA A0 08 8 26 ME,I,EA A1 08 8 42 ME,I,EA A2 08 8 58 ME,I,EA 18 09 9 30 WNA,ENA,SAM 18 18 10 34 WNA,ENA,SAM 18 22 11 22 WNA,ENA,SAM BC 09 12 58 SAF,ME,I BD 09 13 30 SAF,ME,I 18 01 14 50 WNA,ENA,SAM 74 25 15 54 WNA,ME,ENA,SAM BC 30 16 26 SAF,ME,I BD 30 16 42 SAF,ME,I 74 16 17 30 WNA,ME,ENA 75 16 17 46 WNA,ME,ENA 18 03 18 2 WNA,ENA,SAM BD 18 18 18 SAF,ME,I 19 03 18 34 WNA,ENA,SAM 1A 03 18 50 WNA,ENA,SAM D4 18 19 6 SAF,ME,I 18 19 19 22 WNA,ENA,SAM BC 16 19 38 SAF,ME,SAM A0 21 19 54 ME,I,EA 74 19 20 22 WNA,ME,ENA 75 19 20 38 WNA,ME,ENA BC 07 20 54 SAF,ME,I A0 22 21 58 ME,I,EA 18 11 22 14 WNA,ENA,SAM 74 11 22 30 WNA,ME,ENA BC 01 22 46 SAF,ME,I GPS Schedule no 47 (29 September 2006) *** 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 04 0 10 WNA,H,SAM 34 04 0 10 H,ENA,SAM A0 01 0 42 ME,I,E 34 05 1 30 WNA,H,EA 34 05 1 30 H,EA,ENA A1 01 0 58 ME,I,E 35 05 2 2 WNA,H 35 05 2 2 H,ENA A2 01 1 14 ME,I,E 74 24 2 18 WNA,ME,E 74 24 2 18 ME,ENA,E 34 05 1 30 WNA,H,ENA D4 05 2 34 WNA,H D4 05 2 34 H,ENA 3C 14 2 50 A,H 74 04 2 50 WNA,ME,E 74 04 2 50 ME,ENA,E 34 30 3 6 WNA,H,ENA 34 30 3 6 WNA,H,EA 34 30 3 6 H,EA,ENA A0 23 3 54 ME,I,E 18 10 3 22 WNA,SAM 18 10 3 22 ENA,SAM A1 23 4 10 ME,I,E D5 05 3 38 WNA,H D5 05 3 38 H,ENA 34 06 4 26 WNA,H,ENA 19 10 3 54 WNA,SAM 19 10 3 54 ENA,SAM A2 23 4 42 ME,I,E 34 06 4 26 WNA,H,EA 34 06 4 26 H,EA,ENA A3 23 4 58 ME,I,E 35 06 5 14 WNA,H 35 06 5 14 H,ENA A0 13 5 14 ME,I,E D4 06 5 30 WNA,H D4 06 5 30 H,ENA A1 13 5 30 ME,I,E 68 26 5 46 SAM 74 10 6 2 ME,ENA,E 3C 25 5 46 A,H 74 10 6 2 WNA,ME,E 34 07 6 18 H,EA 3D 25 6 2 A,H 69 26 6 18 SAM 35 07 7 6 H,EA,ENA 34 07 6 18 WNA,H 35 07 7 6 WNA,H,EA 18 26 7 22 ENA,E,SAM A0 27 6 50 ME,I,E 18 26 7 22 WNA,E,SAM 19 26 7 38 ENA,E,SAM 35 07 7 6 WNA,H,ENA 19 26 7 38 WNA,E,SAM 74 29 7 54 ME,ENA,E D4 13 7 22 SAF,ME,I 74 29 7 54 WNA,ME,E 74 26 8 10 ME,ENA,E AC 11 7 54 I,A 74 26 8 10 WNA,ME,E 18 09 9 30 ENA,E,SAM AD 11 8 10 I,A 68 09 8 26 SAM 18 18 10 34 ENA,E,SAM A0 08 8 26 ME,I,E 18 09 9 30 WNA,E,SAM 18 22 11 22 ENA,E,SAM A1 08 8 42 ME,I,E 18 18 10 34 WNA,E,SAM 34 11 12 42 H,EA A2 08 8 58 ME,I,E 18 22 11 22 WNA,E,SAM 34 20 13 30 H,EA 3C 20 11 6 A,H 60 30 13 14 ME,SAM 35 20 13 46 H,EA,ENA BC 04 11 38 SAF,ME,I 35 20 13 46 WNA,H,EA D4 20 14 2 H,EA,ENA AC 28 12 26 I,A D4 20 14 2 WNA,H,EA 34 23 14 34 H,EA 34 11 12 42 WNA,H 18 01 14 50 WNA,E,SAM 18 01 14 50 ENA,E,SAM D4 23 12 58 A,H 35 23 15 6 WNA,H,EA 35 23 15 6 H,EA,ENA 34 20 13 30 WNA,H 74 25 15 54 WNA,ME,E,SAM 34 13 15 22 H,EA 35 20 13 46 WNA,H,ENA 35 13 16 26 WNA,H,EA 74 25 15 54 ME,ENA,E,SAM D4 20 14 2 WNA,H,ENA 60 07 17 14 ME,SAM 35 13 16 26 H,EA,ENA 3C 13 14 18 A,H 74 16 17 30 WNA,ME,E 74 16 17 30 ME,ENA,E 34 23 14 34 WNA,H 75 16 17 46 WNA,ME,E 75 16 17 46 ME,ENA,E 35 23 15 6 WNA,H,ENA 18 03 18 2 WNA,E,SAM 18 03 18 2 ENA,E,SAM 34 13 15 22 WNA,H 19 03 18 34 WNA,E,SAM 19 03 18 34 ENA,E,SAM 35 13 16 26 WNA,H,ENA 1A 03 18 50 WNA,E,SAM 1A 03 18 50 ENA,E,SAM 3C 24 16 42 A,H 34 08 19 6 WNA,H,EA 34 08 19 6 H,EA,ENA 3C 04 16 58 A,H 18 19 19 22 WNA,E,SAM 18 19 19 22 ENA,E,SAM AC 26 17 46 I,A 74 19 20 22 WNA,ME,E 74 19 20 22 ME,ENA,E 3C 02 18 18 A,H 75 19 20 38 WNA,ME,E 75 19 20 38 ME,ENA,E 3D 02 18 34 A,H 35 08 21 26 WNA,H,SAM 35 08 21 26 H,ENA,SAM 34 08 19 6 WNA,H,ENA 18 27 21 42 WNA,SAM 18 27 21 42 ENA,SAM A0 21 19 54 ME,I,E 18 11 22 14 WNA,E,SAM 18 11 22 14 ENA,E,SAM A0 22 21 58 ME,I,E 74 11 22 30 WNA,ME,E 74 11 22 30 ME,ENA,E 3C 05 22 14 A,H 35 04 23 34 WNA,H,SAM 35 04 23 34 H,ENA,SAM 3D 05 22 30 A,H 34 09 23 50 WNA,H,EA 34 09 23 50 H,EA,ENA 34 09 23 50 WNA,H,ENA GPS Schedule no 47 (29 September 2006) *** Hawaii *** *** Australia *** *** India *** Class PRN Start Connects Class PRN Start Connects Class PRN Start Connects h m h m h m 34 04 0 10 WNA,ENA,SAM CC 16 0 42 SAF F1 01 0 10 I 38 30 0 26 I CD 16 1 14 SAF 38 30 0 26 H 34 05 1 30 WNA,EA,ENA A4 16 1 30 SAF,I A0 01 0 42 ME,EA,E 38 14 1 46 I CC 03 2 34 SAF A1 01 0 58 ME,EA,E 35 05 2 2 WNA,ENA 3C 14 2 50 H,EA A2 01 1 14 ME,EA,E D4 05 2 34 WNA,ENA CC 19 3 22 SAF A4 16 1 30 SAF,A 3C 14 2 50 A,EA CD 19 3 38 SAF 38 14 1 46 H 34 30 3 6 WNA,EA,ENA D4 19 3 54 SAF F2 01 2 2 I D5 05 3 38 WNA,ENA CC 11 5 14 SAF FB 01 2 18 I 34 06 4 26 WNA,EA,ENA 3C 25 5 46 H,EA FC 01 2 34 I 35 06 5 14 WNA,ENA 3D 25 6 2 H,EA FD 01 2 50 I D4 06 5 30 WNA,ENA CC 20 6 50 SAF FE 01 3 6 I 3C 25 5 46 A,EA AC 11 7 54 I,EA F1 16 3 22 I 3D 25 6 2 A,EA AD 11 8 10 I,EA F2 16 3 38 I 34 07 6 18 WNA,EA 3C 16 8 42 H A0 23 3 54 ME,EA,E 35 07 7 6 WNA,EA,ENA CC 13 8 58 SAF A1 23 4 10 ME,EA,E 3C 16 8 42 A 3D 16 9 14 H A2 23 4 42 ME,EA,E 3D 16 9 14 A CC 24 9 30 SAF A3 23 4 58 ME,EA,E 38 11 10 34 I CD 13 9 46 SAF A0 13 5 14 ME,EA,E 3C 20 11 6 A,EA A4 24 10 2 SAF,I A1 13 5 30 ME,EA,E 3C 23 11 54 A 3C 20 11 6 H,EA A0 27 6 50 ME,EA,E 3D 23 12 10 A 3C 23 11 54 H D4 13 7 22 SAF,ME,EA 34 11 12 42 WNA,EA 3D 23 12 10 H AC 11 7 54 A,EA D4 23 12 58 A,EA AC 28 12 26 I,EA AD 11 8 10 A,EA 34 20 13 30 WNA,EA D4 23 12 58 H,EA A0 08 8 26 ME,EA,E 35 20 13 46 WNA,EA,ENA CC 10 13 14 SAF A1 08 8 42 ME,EA,E D4 20 14 2 WNA,EA,ENA A4 10 13 46 SAF,I A2 08 8 58 ME,EA,E 3C 13 14 18 A,EA A5 10 14 2 SAF,I A4 24 10 2 SAF,A 34 23 14 34 WNA,EA 3C 13 14 18 H,EA 38 11 10 34 H 38 04 14 50 I CC 29 14 34 SAF BC 04 11 38 SAF,ME,EA 35 23 15 6 WNA,EA,ENA CD 29 15 6 SAF AC 28 12 26 A,EA 34 13 15 22 WNA,EA CC 26 15 38 SAF BC 09 12 58 SAF,ME,E 3C 08 15 54 A 3C 08 15 54 H BD 09 13 30 SAF,ME,E 3D 08 16 10 A 3D 08 16 10 H A4 10 13 46 SAF,A 35 13 16 26 WNA,EA,ENA 3C 24 16 42 H,EA A5 10 14 2 SAF,A 3C 24 16 42 A,EA 3C 04 16 58 H,EA 38 04 14 50 H 3C 04 16 58 A,EA CC 09 17 14 SAF BC 30 16 26 SAF,ME,E 3D 24 17 30 A 3D 24 17 30 H BD 30 16 42 SAF,ME,E 3C 02 18 18 A,EA AC 26 17 46 I,EA AC 26 17 46 A,EA 3D 02 18 34 A,EA 3C 02 18 18 H,EA BC 18 18 2 SAF,ME 34 08 19 6 WNA,EA,ENA 3D 02 18 34 H,EA BD 18 18 18 SAF,ME,E 38 26 20 22 I CC 05 18 50 SAF D4 18 19 6 SAF,ME,E 3C 10 20 54 A CC 30 19 54 SAF A0 21 19 54 ME,EA,E 35 08 21 26 WNA,ENA,SAM CD 30 20 22 SAF 38 26 20 22 H 3C 05 22 14 A,EA 3C 10 20 54 H BC 07 20 54 SAF,ME,E 3D 05 22 30 A,EA CC 06 21 26 SAF BC 14 21 10 SAF,ME 35 04 23 34 WNA,ENA,SAM 3C 05 22 14 H,EA A0 22 21 58 ME,EA,E 34 09 23 50 WNA,EA,ENA 3D 05 22 30 H,EA BC 01 22 46 SAF,ME,E GPS Schedule no 47 (29 September 2006) *** Middle East *** *** South Africa *** *** South America *** Class PRN Start Connects Class PRN Start Connects Class PRN Start Connects h m h m h m BC 23 0 26 SAF,E,SAM BC 23 0 26 ME,E,SAM 34 04 0 10 WNA,H,ENA A0 01 0 42 I,EA,E CC 16 0 42 A BC 23 0 26 SAF,ME,E A1 01 0 58 I,EA,E CA 13 0 58 SAM F8 13 0 42 SAM A2 01 1 14 I,EA,E CD 16 1 14 A CA 13 0 58 SAF BC 13 1 46 SAF,SAM A4 16 1 30 I,A FB 13 1 14 SAM BD 13 2 2 SAF,E,SAM BC 13 1 46 ME,SAM FC 13 1 30 SAM 74 24 2 18 WNA,ENA,E BD 13 2 2 ME,E,SAM BC 13 1 46 SAF,ME 74 04 2 50 WNA,ENA,E CC 03 2 34 A BD 13 2 2 SAF,ME,E BC 27 3 6 SAF,SAM BC 27 3 6 ME,SAM F8 17 2 18 SAM A0 23 3 54 I,EA,E CC 19 3 22 A FB 17 2 34 SAM A1 23 4 10 I,EA,E CD 19 3 38 A FC 17 2 50 SAM BC 08 4 26 SAF,SAM D4 19 3 54 A BC 27 3 6 SAF,ME A2 23 4 42 I,EA,E BC 08 4 26 ME,SAM 18 10 3 22 WNA,ENA A3 23 4 58 I,EA,E CC 11 5 14 A FD 17 3 38 SAM A0 13 5 14 I,EA,E CA 04 6 34 SAM 19 10 3 54 WNA,ENA A1 13 5 30 I,EA,E CC 20 6 50 A FE 17 4 10 SAM 74 10 6 2 WNA,ENA,E D4 13 7 22 ME,I,EA BC 08 4 26 SAF,ME A0 27 6 50 I,EA,E CA 02 7 54 SAM FE 17 4 42 SAM D4 13 7 22 SAF,I,EA CC 13 8 58 A F8 26 4 58 SAM 74 29 7 54 WNA,ENA,E BC 10 9 14 ME,SAM FB 26 5 14 SAM 74 26 8 10 WNA,ENA,E CC 24 9 30 A FC 26 5 30 SAM A0 08 8 26 I,EA,E CD 13 9 46 A 68 26 5 46 ENA A1 08 8 42 I,EA,E A4 24 10 2 I,A F8 02 6 2 SAM A2 08 8 58 I,EA,E BC 04 11 38 ME,I,EA 69 26 6 18 ENA BC 10 9 14 SAF,SAM CA 06 11 54 SAM CA 04 6 34 SAF BC 04 11 38 SAF,I,EA BC 09 12 58 ME,I,E 18 26 7 22 WNA,ENA,E BC 09 12 58 SAF,I,E CC 10 13 14 A 19 26 7 38 WNA,ENA,E 60 30 13 14 ENA,SAM BD 09 13 30 ME,I,E CA 02 7 54 SAF BD 09 13 30 SAF,I,E A4 10 13 46 I,A 68 09 8 26 ENA BC 21 15 22 SAF,SAM A5 10 14 2 I,A BC 10 9 14 SAF,ME 74 25 15 54 WNA,ENA,E,SAM CC 29 14 34 A 18 09 9 30 WNA,ENA,E BC 30 16 26 SAF,I,E CD 29 15 6 A 18 18 10 34 WNA,ENA,E BD 30 16 42 SAF,I,E BC 21 15 22 ME,SAM 18 22 11 22 WNA,ENA,E 60 07 17 14 ENA,SAM CC 26 15 38 A CA 06 11 54 SAF 74 16 17 30 WNA,ENA,E BC 30 16 26 ME,I,E 60 30 13 14 ME,ENA 75 16 17 46 WNA,ENA,E BD 30 16 42 ME,I,E 18 01 14 50 WNA,ENA,E BC 18 18 2 SAF,I CC 09 17 14 A BC 21 15 22 SAF,ME BD 18 18 18 SAF,I,E BC 18 18 2 ME,I 74 25 15 54 WNA,ME,ENA,E D4 18 19 6 SAF,I,E BD 18 18 18 ME,I,E 60 07 17 14 ME,ENA BC 16 19 38 SAF,E,SAM CC 05 18 50 A 18 03 18 2 WNA,ENA,E A0 21 19 54 I,EA,E D4 18 19 6 ME,I,E 19 03 18 34 WNA,ENA,E 74 19 20 22 WNA,ENA,E BC 16 19 38 ME,E,SAM 1A 03 18 50 WNA,ENA,E 75 19 20 38 WNA,ENA,E CC 30 19 54 A 18 19 19 22 WNA,ENA,E BC 07 20 54 SAF,I,E CD 30 20 22 A BC 16 19 38 SAF,ME,E BC 14 21 10 SAF,I BC 07 20 54 ME,I,E 35 08 21 26 WNA,H,ENA A0 22 21 58 I,EA,E BC 14 21 10 ME,I 18 27 21 42 WNA,ENA 74 11 22 30 WNA,ENA,E CC 06 21 26 A 18 11 22 14 WNA,ENA,E BC 01 22 46 SAF,I,E BC 01 22 46 ME,I,E 35 04 23 34 WNA,H,ENA