Attachment 1990PN DA 90 1156 se

1990PN DA 90 1156 se

PUBLIC NOTICE submitted by CCB, FCC

DA 90-1156

1990-09-04

This document pretains to SAT-MOD-19900518-00031 for Modification on a Satellite Space Stations filing.

IBFS_SATMOD1990051800031_1059904

Federal Communications Commission DA 90—1156 Center . 20. Before the Frequency Bandwidth Polarization Federal Communications Commission user—to— Washington, D.C. 20554 satellite 1618.25 MHz 16.5 MHz LHCP satellite—to— PUBLIC NOTICE user 2491.75 MHz 16.5 MHz RHCP R . _ telemetry/ eport No. DS—999 beacon 5141.5 MHz 1.0 MHz Horizontal Released: September 4, 1990 satellite—to— control center 5183 (or 16.5 MHz Horizontal COMMON CARRIER SERVICES INFORMATION 5174.25) MHz telemetry/ Bv the Chief. Common Carrier Bureau: beacon 5224.5 MHz 1.0 MHz Horizontal 2l . . wl 20. telecommand 6526.5 MHz 3.0 MHz Vertical Upon initial review, the International Facilities Divi— 6536.5 MHz sion and the Satellite Radio Branch have found the fol— lowing applications acceptable for filing. The Commission control center— reserves the right to return these applications. if, upon to satellite 6562.875 (or 16.5 MHz Vertical further examination. it is determined that they are defec— 6555.5) MHz tive and not in conformance with the Commission‘s rules Geostar states that the proposed design will result in a and policies. small reduction in satellite EIRP and G/T compared to the values specified for the dedicated RDSS satellites as GEOSTAR POSITIONING File Nos. 46—DSS—P/LA—90 initially authorized and will not increase the potential for CORPORATION 48—DSS—P/LA—90 interference to any other user of the spectrum. Geostar also states that the satellites will be capable of supporting 43—DSS—MP/ML—90 hand—held user terminals and providing position deter— 44—DSS—MP/ML—90 mination by range measurements obtained through two 51—DSS—EXT—90 satellites and altitude information obtained from a 52—DSS—EXT—90 digitized terrain map or on—board altimeter. Finally, Geostar requests the following amended schedules for CSS—90—012 (ML) completing construction of and launching Geostars 1A CSS—90—013 (ML) and 1B and the following implementation schedules for CSS—90—014 (ML) Geostars 1B and 2B: CSS—90—015(ML) Begin Complete Geostar Positioning Corporation (Geostar) has applied to Construction Construction Launch construct and launch two new dedicated Geostar IA 22. October 1993 December 1993 radiodetermination satellite service (RDSS) satellites —— Geostar 1B January 1991 October 1993 December 1993 Geostars 1B and 2B. Geostar has also applied to modify Geostar 2A 22. October 1994 December 1994 its first two dedicated RDSS satellites as authorized in Geostar 2B October 1991 October 1994 December 1994 Geostar Corporation, Mimeo No. 6144 (released August 7. 1986), —— Geostars 1A¥ and 1B. Geostar proposes to co— GEOSTAR POSITIONING File Nos. 45—DSS—MP/ML—90 locate Geostars 1A and 1B and Geostars 2A and 2B. In CORPORATION 53—DSS—EXT—90 addition. each satellite pair is to be launched together on the same payload assist module. Each of the dedicated RDSS satellites is to carry one inbound channel and one Geostar proposes to modify the license for its third dedi— outbound channel and will have a single 3.5° by 7° cated RDSS satellite —— Geostar 3 —— as authorized in coverage pattern that can be repointed while the satellite Geostar Corporation, Mimeo No. 6144 (released August 7, is in—orbit to serve user terminals either in the contiguous 1986). to conform the satellite—to—control center frequen— U.S. or in other points of the western hemisphere. The cies to the allocations made at the 1987 World Admin— following frequency bands are requested: istrative Radio Conference for Mobile Services (MobileWARC—87). Specifically. Geostar requests a shift in the assigned frequencies for this link from 5117—5183 MHz to 5150—5216 MHz. All other parameters of the 5 GHz satellite—to—control center link are to remain the same as authorized. In addition. Geostar requests an ex— tension of Geostar 3‘s construction completion milestone until October 1995 and its launch milestone until Decem— ber 1995. Comments or petitions concerning.these applications may be filed on or before October 10, 1990. Replies may be filed on or before October 31, 1990. Responses may be

DA 90—1156 Federal Communications Commission filed on or before November 14, 1990. Interested parties should submit an original and six copies of any document filed in response to this notice. Copies of this application, as well as any pleadings filed pursuant to this notice, will be available for inspection in the International Facilities Division Public Reference Room, Room 533. 1919 M Street, NW.. Washington. D.C. and in the Domestic Facilities Public Reference Room, Room 6218, 2025 M Street, NW., Washington. D.C. For further information, contact Fern Jarmulnek at (202) 632—1624 or John Coles at (202) 632—7265. FEDERAL COMMUNICATIONS COMMISSION


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Document Modified: 2014-09-02 15:33:56
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