REPORT OF THE NINETEENTH MEETING OF THE CO-ORDINATION GROUP FOR METEOROLOGICAL SATELLITES CGMS XIX TASHKENT, USSR 10 - 14 DECEMBER 1990 REPORT OF THE NINETEENTH MEETING OF THE CO-ORDINATION GROUP FOR METEOROLOGICAL SATELLITES CGMS XIX TASHKENT, USSR 10 - 14 DECEMBER 1990 A. PRELIMINARIES A.1 Introduction CGMS-XIX was convened at 10.30 am on 10 December by Mr. V. Kharitonov, Deputy Director of the satellite division, Hydromet Centre of the USSR, Moscow. In his welcome address, Mr N.N. Aksarin, Director of the Uzbekistan Met Service expressed his great pleasure that CGMS had chosen Tashkent as the meeting venue for CGMS XIX. Tashkent, he added, would be one of the main data processing centres for GOMS. The construction of the building was complete and a new computer system was currently being installed. He noted that the meteorological centre in Tashkent was already very aware of the importance of satellite imagery for weather forecasting, especially for observing the weather in neighbouring rather data sparse regions. Satellite data had been received in the centre for some 20 years. He looked forward to a close cooperation with the Members of CGMS over the coming years and wished the delegates a very enjoyable stay in Tashkent and a most productive and successful The reader should note that a full list of acronyms and abbreviations can be found in Annex I. A.2 Election of Chairman Mr D.E. Hinsman, Senior Scientific Officer, Satellite Activities, WMO, was elected Chairman of this session of CGMS. Mr N.F. Veltishchev, Deputy Director of the Hydromet Centre of the USSR, Moscow, was elected Vice Chairman. A.3 Arrangements for the Drafting Committee A Drafting Committee, comprising Messrs. G. Bridge (EUMETSAT) and C. Cripps (USA) was appointed. CGMS Members were requested to nominate a representative to provide inputs to this drafting committee. A.4 Adoption of Agenda and Work Plan of Working Group Sessions The Agenda (see Annex II) was adopted. CGMS agreed the work programme of the Telecommunications and Satellite Products Working Groups. Mr L. Heacock (USA) was elected Chairman of the Telecommunications Working Group and Mr J. Morgan (EUMETSAT) the Chairman of the Satellite Products Working Group. The reader 1 should note that the numbering of chapters in this report correspond to those used in the Agenda. A full list of Working Papers (WP) submitted to CGMS XIX can be found in Annex III. A.5 Review of Actions from Previous Meetings The Secretariat reviewed actions from previous CGMS meetings: i) Continuing Actions by All Parties 1. Circulation of satellite Operating Quarterly Reports Status: Operations reports were being regularly distributed to all CGMS members. 2. Quarterly exchange of Photography Status: Photographs had been exchanged. 3. Intercomparison of Extracted Winds Status: Results of intercomparison carried out by USA in January 1990 had been distributed (July 1990 data provided in CGMSXIX-USA-WP-12). 4. All satellite operators to provide NOAA NESDIS with information on unexplained anomalies for study, and NOAA to provide solar event information to the satellite operators on request and a status report on the correlation study at each meeting. Status: Information had been sent by Members to NOAA when available. It was included in some quarterly operations reports. 5. USA to issue quarterly to all other admitting authorities the consolidated DCP assignments. Status: Information was being exchanged but on a rather irregular basis. See also Section F.l. b) Status of Actions From CGMS XVIII Action 18.1 All CGMS Members to review the proposal to extend the responsibilities of CGMS and transmit any objections to the Secretariat within the next three months. 2 If no objections are forthcoming by 1 April 1990 it will be assumed that the proposal should be implemented. Completed. See Item A.7 Action 18.2 EUMETSAT to inform CGMS on the altitude of ejection of METEOSAT-2 from the geostationary orbit. Continuing - METEOSAT-2 still in orbit. Action 18.3 USSR to provide Meteor-3 temperature sounding data over the GTS as soon as practical. Continuing. See Report of WG II. Action 18.4 WMO to continue its efforts to acquire INSAT image data tapes. Continuing. WMO awaits a response from India. Action 18.5 WMO to obtain information on INSAT satellite image transmission schemes. Continuing. WMO awaits response from India. Action 18.6 EUMETSAT to consult with the WMO on the procedures for the inclusion of the MDD in Phase II of the OWSE-AF. Completed - concept approved by OWSE-AF steering group. Action 18.7 EUMETSAT to monitor the relay of messages of Syowa to Japan Meteorological Agency. Completed - summaries sent to JMA. Action 18.8 CGMS members to provide, on a quarterly basis, listings of IDCS channel assignments to the Secretariat. Completed - consolidated assignments are being received on a regular basis from USA and Japan. 3 Action 18.9 The Secretariat to co-ordinate inputs made by members on IDCS channel assignments and provide consolidated listings to members on a quarterly basis. Continuing - See F.l. Action 18.10 The CGMS Secretariat to send all available information on the IDCS to the People’s Republic of China and USSR. Completed. Action 18.11 People’s Republic of China and USSR to inform the Secretariat when IDCS channels will be implemented. Continuing. Will be announced following the successful launch of FY2 and GOMS respectively. Action 18.12 (Wind Profiler interference) USA to initiate the action by a letter to the Secretary-General including a rationale why profilers could be classified as radio location systems. Completed. See Report of WG I. Action 18.13 (Wind Profiler interference) WMO to notify all Members accordingly. Completed. See Report of WG I. Action 18.14 The Secretariat to include the information in the consolidated IDCS assignment reports and to consider the use of ASCII data formats to allow change of information between CGMS members on diskette. Continuing. See Item F.l. Action 18.15 The WMO to provide the CGMS Secretariat with the results of the ASAP end-to-end test and indicate what action, if any, the CGMS should consider to improve the availability of ASAP data. Completed. Action 18.16 The CGMS Secretariat to work out an implementation programme with the ACC and the WMO Secretariat for allocating additional time slots to the ASAP. Completed. Channels will be allocated on an as required basis. 4 Action 18.17 Satellite operators to work with the CGMS Secretariat (1) to open the necessary channel, (110 proposed), (2) to monitor the channel to be certain that it would be usable and (3) to agree on time slot and channel assignments for ships, including ASAP. Completed. 110 being checked again. Channels 16 & 17 opened. Action 18.18 The WMO and EUMETSAT to arrange ASDAR test transmissions through the METEOSAT satellite system. Completed. Initial tests being carried out. Action 18.19 The WMO to complete the procedures for the three month flight trial and to inform the CGMS members. Completed. See Item F.3. Action 18.20 The WMO to inform the CGMS Secretariat when the first ASDAR systems will be reporting in time for the ground software to be activated. Completed. See Item F.3. Action 18.21 Members to inform CGMS Secretariat by 1 April 1990 if the format for WEFAX digital header is acceptable. Failure to notify will constitute acceptance. Completed. See Item G.1.2. Action 18.22 CGMS Members to provide details of the expected date of implementation (of the header) and the information contained in each field at CGMS XIX. Continuing. See Item G.1.2. Action 18.23 EUMETSAT to report on the progress made with the development of a standard for digital WEFAX to the next meeting of CGMS. Continuing. See Item G.1.3. Action 18.24 Japan to provide details on the estimation of ocean surface winds in a typhoon area from GMS images. Completed. 5 Action 18.25 Japan to determine if typhoon CMV information can be relayed over the GTS. Completed. See Report of WG II. Action 18.26 USA to distribute missing wind statistics information to all members of CGMS. Completed. Action 18.27 CGMS members to include Type 2 data on a monthly basis in quarterly reports. Completed. Action 18.28 USA to provide CGMS with more details of its new wind extraction method. Completed. See Report of WG II. Action 18.29 EUMETSAT to provide members of CGMS with the COSPAR meeting Announcement. Completed. Action 18.30 CGMS Secretariat to provide information on satellite products to the relevant WMO designated lead centre on a regular basis. Continuing. Action 18.31 EUMETSAT to arrange that the setting up of a CGMS sponsored International Winds Retrieval Group be an agenda item of the COSPAR Winds Workshop, and to provide draft terms of reference for the group. Completed. See Report of WG II. Action 18.32 The USA to provide information describing VAS products to CGMS-XIX. Completed. See Report of WG II. 6 Action 18.33 CGMS members to ascertain if there is a general requirement for these new (VAS) products. Continuing. See Report of WG II. Action 18.34 USA to inform CGMS on the planning of the new archive storage system for its future GOES satellites at CGMS XIX. Completed. See Report of WG II. Action 18.35 EUMETSAT to provide CGMS members with the references of CEPT documents referring to the protection of the 2 Ghz frequency band. Completed. Action 18.36 WMO to prepare an information paper for submission to WARC 92 on the protection of the 2 Ghz frequency band. Completed. Action 18.37 CGMS members to raise the issue of the protection of the 2 Ghz frequency band with national PTT representatives.