FCC Web Documents citing 25.251

as compiled by hallikainen.com/FccRules on 2012 07 01

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  • and DMC's request for a study and additional information is based on its desire to facilitate co-primary use of the conventional Ku-band in the future. This consideration is outside the scope of our action here and has no bearing on whether PanAmSat should be authorized to launch and operate Galaxy XI to replace existing satellites. We also note that Section 25.251(b) of the Commission's Rules, 47 C.F.R. § 25.251(b), which the commenters cite as support for its argument that PanAmSat should supply the Commission with additional information, pertains to the coordination of earth stations with terrestrial stations. These rules will be addressed when considering earth station applications that propose to operate with Galaxy XI. . 13.75-14.0 GHz Frequency Band. The 13.75-14.0
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  • the rulemaking is not completed before Boeing needs TT&C uplink authority in connection with the launch of its satellite we would, of course, entertain on its merits any request for modification of this condition or other appropriate relief. As modified herein, Boeing's license specifies a milestone deadline of July 17, 2006 for satellite launch. See 47 C.F.R. §§ 25.203 and 25.251. ITU Radio Regulations, Appendix S30B, Provisions and associated Plan for the fixed-satellite service in the frequency bands 4500-4800 MHz, 6725-7025 MHz, 10.70-10.95 GHz, 11.20-11.45 GHz and 12.75-13.25 GHz. The Appendix 30B requirements are incorporated by reference in the Commission's rules. See 47 C.F.R. § 2.106, Footnote S5.441. Modification Application, Appendix B, Table B1. Boeing submitted the waiver request in the
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  • the rulemaking is not completed before Boeing needs TT&C uplink authority in connection with the launch of its satellite we would, of course, entertain on its merits any request for modification of this condition or other appropriate relief. As modified herein, Boeing's license specifies a milestone deadline of July 17, 2006 for satellite launch. See 47 C.F.R. §§ 25.203 and 25.251. ITU Radio Regulations, Appendix S30B, Provisions and associated Plan for the fixed-satellite service in the frequency bands 4500-4800 MHz, 6725-7025 MHz, 10.70-10.95 GHz, 11.20-11.45 GHz and 12.75-13.25 GHz. The Appendix 30B requirements are incorporated by reference in the Commission's rules. See 47 C.F.R. § 2.106, Footnote S5.441. Modification Application, Appendix B, Table B1. Boeing submitted the waiver request in the
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  • angle of arrival above the horizontal plane and X is defined as a function of the number of satellites in the non-GSO FSS constellation, n, as follows: for n ( 50 X = 0 (dB) for 50 < n ( 288 X = (5/119) (n - 50) (dB) for n > 288 X = (1/69) (n + 402) (dB) Section 25.251(a) is modified to read as follows: § 25.251 Special requirements for coordination (a) The administrative aspects of the coordination process are set forth in §§ 101.103(d) of this chapter in the case of coordination of terrestrial stations with earth stations and in § 25.203 in the case of coordination of earth stations with terrestrial stations. * * * * *
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  • interference to terrestrial users sharing the band, but could receive harmful interference from FS transmissions operating in the band. Hughes urges the Commission to allow GSO FSS earth stations to receive signals in the 18 GHz shared band, with the option of registering for interference protection on a site-by-site basis in accordance with the coordination procedures of Sections 25.203 and 25.251. Hughes also suggests that any fees for such registration must be ``consumer-tolerant'' (such as a single low charge for a batch of 1000 registrations, e.g., $295). In the 29.25-29.5 GHz band that is shared with MSS feeder links, Hughes contends that the provisions of Section 25.258 that deal with intersystem coordination and sharing between NGSO MSS feeder link stations and
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  • (b), (c), and (d) to read as follows: § 25.203 Choice of sites and frequencies. * * * * (b) An applicant for an earth station authorization in a frequency band shared with equal rights with terrestrial microwave services shall compute the great circle coordination distance contour(s) for the proposed station in accordance with the procedures set forth in § 25.251. The applicant shall submit with the application a map or maps drawn to appropriate scale and in a form suitable for reproduction indicating the location of the proposed station and these contours. These maps, together with the pertinent data on which the computation of these contours is based, including all relevant transmitting and/or receiving parameters of the proposed station that
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  • the following modifications to their licenses without prior Commission authorization, provided that the operators notify the Commission, using FCC Form 312 and Schedule B, within 30 days of the modification: (1) Licensees may make changes to their authorized earth stations without obtaining prior Commission authorization, provided that they have complied with all applicable frequency coordination procedures in accordance with § 25.251, and the modification does not involve: (i) An increase in EIRP or EIRP density (both main lobe and side lobe); (ii) An increase in transmitted power; (iii) A change in coordinates of more than 1 second in latitude or longitude for stations operating in frequency bands that are shared with terrestrial systems; or (iv) A change in coordinates of 10
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  • that the facility(ies) will not significantly affect the environment as defined in § 1.1307 of this chapter; (v) The station site does not lie within 56.3 kilometers of any international border or within a radio ``Quiet Zone'' identified in § 1.924 of this chapter; and (vi) The filed application is consistent with the proposal that was coordinated pursuant to § 25.251. (2) Conditional authority ceases immediately if the Schedule B is returned by the Commission because it is not accepted for filing. (3) A conditional authorization pursuant to paragraphs (1) and (2) of this section is evidenced by retaining a copy of the Schedule B notification with the station records. Conditional authorization does not prejudice any action the Commission may take
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  • * * * * (b) Except as provided in paragraph (j) of this section, receive-only earth stations in the fixed-satellite service that operate with U.S.-licensed satellites may be registered with the Commission in order to protect them from interference from terrestrial microwave stations in bands shared co-equally with the fixed service in accordance with the procedures of §§ 25.203 and 25.251. * * * * * (j)(1) Except as set forth in this paragraph below, receive-only earth stations operating with non-U.S. licensed space stations shall file an FCC Form 312 requesting a license or modification to operate such station. (2) Receive-only earth stations used to receive transmissions from non-U.S.-licensed space stations on the Permitted Space Station List need not file for
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  • the following modifications to their licenses without prior Commission authorization, provided that the operators notify the Commission, using FCC Form 312 and Schedule B, within 30 days of the modification: (1) Licensees may make changes to their authorized earth stations without obtaining prior Commission authorization, provided that they have complied with all applicable frequency coordination procedures in accordance with § 25.251, and the modification does not involve: (i) An increase in EIRP or EIRP density (both main lobe and side lobe); (ii) An increase in transmitted power; (iii) A change in coordinates of more than 1 second in latitude or longitude for stations operating in frequency bands that are shared with terrestrial systems; or (iv) A change in coordinates of 10
• http://hraunfoss.fcc.gov/edocs_public/attachmatch/FCC-03-154A1_Erratum.doc
  • the following modifications to their licenses without prior Commission authorization, provided that the operators notify the Commission, using FCC Form 312 and Schedule B, within 30 days of the modification: (1) Licensees may make changes to their authorized earth stations without obtaining prior Commission authorization, provided that they have complied with all applicable frequency coordination procedures in accordance with § 25.251, and the modification does not involve: (i) An increase in EIRP or EIRP density (both main lobe and side lobe); (ii) An increase in transmitted power; (iii) A change in coordinates of more than 1 second in latitude or longitude for stations operating in frequency bands that are shared with terrestrial systems; or (iv) A change in coordinates of 10
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  • and CARS operations in the 7 GHz and 13 GHz bands, rather than propose to require that all operations in the bands follow the same coordination procedures. Thus, NGSO and GSO FSS operators seeking to deploy new earth stations in these bands would continue to initiate coordination with mobile BAS and CARS operations using the coordination procedures in Sections 25.203, 25.251 and 101.103(d). Similarly, new mobile BAS and CARS operations initiating coordination in the 7 GHz and 13 GHz bands would continue to have the flexibility to use either the informal ad hoc local coordination procedures in Sections 74.638 and 78.36 or the coordination procedures in Section 101.103(d) to coordinate with FSS earth stations. We first address the coordination procedures that
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  • approach either through duplication of the procedures or direct reference to that section. For BAS, Section 74.638(b) incorporates by reference the coordination procedures in Section 101.103(d). For CARS, Section 78.36 describes the same, rather than incorporate by reference, the coordination procedures in Section 101.103(d). Likewise, similar rules govern the prior coordination of satellite earth stations. See 47 C.F.R. §§ 25.203, 25.251. Frequency coordination is also required in the Private Land Mobile Radio Services (PLMRS). See 47 C.F.R. § 90.175. While such spot-markets in satellite capacity were not envisioned in the 1960's when our coordination approaches were first devised, today providers of satellite capacity provide such connectivity even on minute by minute basis, across various bands, and through numerous satellites. For example,
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  • SIA bases its result on free space propagation which is applicable for satellite uplinks and downlinks, but not for terrestrial paths where multipath transmission is likely. In the latter case, free space propagation generally yields an overly conservative minimum separation, as it does not account for environmental effects on or terrain shielding of the RF signal. See 47 C.F.R. § 25.251. These guidelines are based on Appendix 7 of the International Telecommunication Union (ITU) Radio Regulations and certain recommendations of the ITU Radiocommunication Sector. For example, Appendix 7 software defaults to a minimum distance of 100 km irrespective of the power levels of the devices. Given the limited radio horizon of low-power non-fixed devices we are proposing to allow, Appendix 7
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  • usage are such as to minimize the possibility of harmful interference between the sharing services. (b) An applicant for an earth station authorization, other than an ESV, in a frequency band shared with equal rights with terrestrial microwave services shall compute the great circle coordination distance contour(s) for the proposed station in accordance with the procedures set forth in § 25.251. The applicant shall submit with the application a map or maps drawn to appropriate scale and in a form suitable for reproduction indicating the location of the proposed station and these contours. These maps, together with the pertinent data on which the computation of these contours is based, including all relevant transmitting and/or receiving parameters of the proposed station that
• http://hraunfoss.fcc.gov/edocs_public/attachmatch/FCC-04-286A1_Erratum.doc
  • usage are such as to minimize the possibility of harmful interference between the sharing services. (b) An applicant for an earth station authorization, other than an ESV, in a frequency band shared with equal rights with terrestrial microwave services shall compute the great circle coordination distance contour(s) for the proposed station in accordance with the procedures set forth in § 25.251. The applicant shall submit with the application a map or maps drawn to appropriate scale and in a form suitable for reproduction indicating the location of the proposed station and these contours. These maps, together with the pertinent data on which the computation of these contours is based, including all relevant transmitting and/or receiving parameters of the proposed station that
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  • which fully consider actual ENG power, modulation, performance, or other requirements. See AWS Seventh Report and Order, 19 FCC Rcd at 21364 and 21365, ¶ 29. . The coordination distances or contours for FSS earth stations can vary from 100 km to 500 km, depending on terrain and various technical criteria. Our rules (47 C.F.R. §§ 101.21(f), 101.103(d), 25.203, and 25.251) generally rely on the International Telecommunication Union (``ITU'') Appendix 7 technical definitions and techniques for performing the coordination. See International Telecommunication Union, Radio Regulations (2001), Appendix 7 (WRC-2000), Methods for the determination of the coordination area around an earth station in the frequency bands between 100 MHz and 105 GHz (``ITU Appendix 7''). ITU Appendix 7 addresses Non-Geostationary Satellite Orbit
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  • a procedure for determining the coordination area for an earth station transmitting in a frequency band allocated to space services in both Earth-to-space and space-to-Earth directions. In other sharing situations, the Commission has successfully relied upon the ITU Appendix 7 coordination methodologies to effect coordination between the co-frequency earth stations of different services. Specifically, Section 25.203 in combination with Section 25.251 of our rules define a mechanism for coordination between terrestrial microwave stations and satellite earth stations that share frequency bands with equal rights. This mechanism is based upon the procedures set forth in Appendix 7 of the ITU Radio Regulations. Similarly, in the case of coordination between co-frequency reverse-band DBS feeder-link and BSS receiving earth stations operating in the 17.3-17.7
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  • a procedure for determining the coordination area for an earth station transmitting in a frequency band allocated to space services in both Earth-to-space and space-to-Earth directions. In other sharing situations, the Commission has successfully relied upon the ITU Appendix 7 coordination methodologies to effect coordination between the co-frequency earth stations of different services. Specifically, Section 25.203 in combination with Section 25.251 of our rules define a mechanism for coordination between terrestrial microwave stations and satellite earth stations that share frequency bands with equal rights. This mechanism is based upon the procedures set forth in Appendix 7 of the ITU Radio Regulations. Similarly, in the case of coordination between co-frequency reverse-band DBS feeder-link and BSS receiving earth stations operating in the 17.3-17.7
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  • previously authorized earth station when considering system designs, including the choice of location for its license area. To make these decisions, future FS applicants must have access to relevant feeder link earth station characteristics. Accordingly, we make clear that all applicants for 17/24 GHz BSS feeder link earth stations are subject to the information filing requirements of Sections 25.203 and 25.251 of our rules, whether or not coordination is required on the basis of the pfd levels adopted above. Sharing in the 17 GHz Band Coordination with NTIA Encouraged: The Radiolocation Service is allocated use of the 15.7-17.3 GHz band on a primary basis, and the 17.3-17.7 GHz band on a secondary basis for U.S. Government systems. As stated in the
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  • as to minimize the possibility of harmful interference between the sharing services. (b) An applicant for an earth station authorization, other than an ESV or a VMES, in a frequency band shared with equal rights with terrestrial microwave services shall compute the great circle coordination distance contour(s) for the proposed station in accordance with the procedures set forth in § 25.251. The applicant shall submit with the application a map or maps drawn to appropriate scale and in a form suitable for reproduction indicating the location of the proposed station and these contours. These maps, together with the pertinent data on which the computation of these contours is based, including all relevant transmitting and/or receiving parameters of the proposed station that
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  • location, more than 36 MHz of uplink bandwidth on each of no more than two GSO FSS satellites. (8) ESVs shall not operate in the 5925-6425 MHz (Earth-to-space) and 3700-4200 MHz (space-to-Earth) frequency bands on vessels smaller than 300 gross tons. (9) ESVs, operating while docked, that complete coordination with terrestrial stations in the 3700-4200 MHz band in accordance with §25.251, shall receive protection from such terrestrial stations in accordance with the coordination agreements, for 180 days, renewable for 180 days. (10) ESVs in motion shall not claim protection from harmful interference from any authorized terrestrial stations or lawfully operating satellites to which frequencies are either already assigned, or may be assigned in the future in the 3700-4200 MHz (space-to-Earth) frequency
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  • more than 36 MHz of uplink bandwidth on each of no more than two GSO FSS satellites. (8) ESVs shall not operate in the 5925­6425 MHz (Earth-to-space) and 3700­4200 MHz (space- to-Earth) frequency bands on vessels smaller than 300 gross tons. (9) ESVs, operating while docked, that complete coordination with terrestrial stations in the 3700­4200 MHz band in accordance with §25.251, shall receive protection from such terrestrial stations in accordance with the coordination agreements, for 180 days, renewable for 180 days. (10) ESVs in motion shall notclaim protection from harmful interference from any authorized terrestrial stations or lawfully operating satellites to which frequencies are either already assigned, or may be assigned in the future in the 3700­4200 MHz (space-to-Earth) frequency band.
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  • for terrestrial station authorizations with previously filed applications in accordance with the following procedure: * * * * * (d) An applicant for operation of an earth station, other than an ESV or a VMES, shall also ascertain whether the great circle coordination distance contours and rain scatter coordination distance contours, computed for those values of parameters indicated in § 25.251 (Appendix 7 of the ITU RR) for international coordination, cross the boundaries of another Administration. In this case, the applicant shall furnish the Commission copies of these contours on maps drawn to appropriate scale for use by the Commission in effecting coordination of the proposed earth station with the Administration(s) affected. * * * * * (k) An applicant for
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  • to whether or to what values the interference protection criteria contained in Sections 101.105(a), (b), and (c) should be amended in order to address the protection of mobile and fixed receivers used in conjunction with mobile BAS/CARS stations. Commenters provided no views on this matter. Accordingly, we will extend the existing ``notice and response'' coordination procedures in Sections 25.203(c) and 25.251(a) to coordination of new GSO and NGSO FSS earth stations with fixed BAS/CARS stations in the 7 GHz and 13 GHz bands. For coordination of new fixed BAS/CARS stations with GSO or NGSO FSS earth stations, we will apply the coordination procedures set forth in Section 101.103(d) by amending Sections 74.638(b) and 78.36(b) to reflect the Part 101 procedures. We
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  • the assumption that the antenna is pointed at the target satellite. If an antenna proposed for use by the applicant does not comply with the antenna performance standards contained in §§ 25.209(a) and (b), the applicant must provide, as an exhibit to its application, the antenna gain patterns specified in § 25.132(b). * * * * * 32. In § 25.251, revise paragraph (b) to read as follows: § 25.251 Special requirements for coordination. * * * * * (b) The technical aspects of coordination are based on Appendix 7 of the International Telecommunication Union Radio Regulations and certain recommendations of the ITU Radiocommunication Sector (available at the address in § 0.445 of this chapter). 33. In § 25.259, revise paragraph
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  • in Appendix A. See also proposed revisions to 47 C.F.R. § 25.115(a)(3) in Appendix A (filing requirement made obsolete by Form 312EZ). 20Specifically, at one time, the ITU included the letter "S" in the designations for all the ITU Radio Regulations, but the ITU no longer uses the "S" numbering system. See proposed revisions to 47 C.F.R. §§ 25.146(e) and 25.251(b) in Appendix A. 1553 Federal Communications Commission FCC 10-21 provisions to delete or correct all the outdated information and cross-references in Part 25 and to update all cross-references. We also propose changes in a number of rule provisions to correct grammatical, spelling, or typographical errors.21Proposed corrections to cross-references and other similar revisions are set forth in the Appendix. IV. CONCLUSION
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  • (b), (c), and (d) to read as follows: § 25.203 Choice of sites and frequencies. * * * * (b) An applicant for an earth station authorization in a frequency band shared with equal rights with terrestrial microwave services shall compute the great circle coordination distance contour(s) for the proposed station in accordance with the procedures set forth in § 25.251. The applicant shall submit with the application a map or maps drawn to appropriate scale and in a form suitable for reproduction indicating the location of the proposed station and these contours. These maps, together with the pertinent data on which the computation of these contours is based, including all relevant transmitting and/or receiving parameters of the proposed station that
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  • density limits. Federal Communications Commission FCC 97-70 78 25.209 Antenna performance standards. 25.210 Technical requirements for space stations in the Fixed-Satellite Service. 25.211 Video transmissions in the Domestic Fixed-Satellite Service. 25.212 Narrowband transmission in the Fixed-Satellite Service. 25.213 Inter-service coordination requirements for the 1.6/2.4 GHz Mobile-Satellite Service. 25.214 Technical requirements for space stations in the satellite digital audio radio service. 25.251 Special requirements for coordination. 25.252 Maximum permissible interference power. 25.253 Determination of coordination distance for near great circle propagation mechanisms. 25.254 Computation of coordination distance contours for propagation modes associated with precipitation scatter. 25.255 Guidelines for performing interference analyses for near great circle propagation mechanisms. 25.256 Guidelines for performing interference analyses for precipitation scatter modes. Subpart D - Technical Operations
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  • Area for Earth Stations Operating with Non-Geostationary Spacecraft in Bands Shared with Terrestrial Services. 106 WRC-95 changed the ITU RR numbering scheme. Therefore, the ITU RR procedures for determining the coordination distance around an earth station for bands shared between space and terrestrial radiocommunication services that were previously in Appendix 28 are now in Appendix S7. We will modify Section 25.251 of our rules to reflex this change. See 1998 ITU RR, Appendix S7, Method for the determination of the coordination area around an earth station in frequency bands between 1 GHz and 40 GHz shared between space and terrestrial radiocommunication services. Federal Communications Commission FCC 00-418 24 of coordination for NGSO satellite operations would be smaller than that of GSO
• http://www.fcc.gov/Bureaus/Engineering_Technology/Orders/2000/fcc00363.doc
  • Comsearch comments at 3. See Notice and Order, 14 FCC Rcd at 1304-05 (¶ 12). WRC-95 changed the ITU RR numbering scheme. Therefore, the ITU RR procedures for determining the coordination distance around an earth station for bands shared between space and terrestrial radiocommunications services, which were previously in Appendix 28 are now in Appendix S7. We will modify Section 25.251 of our rules to reflect this change. See 1998 ITU RR, Appendix S7, Method for the determination of the coordination area around an earth station in frequency bands between 1 GHz and 40 GHz shared between space and terrestrial radiocommunications services. , supra. , supra. See Notice and Order, 14 FCC Rcd at 1303-04 (¶ 11). See COMSAT comments at
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  • (b), (c), and (d) to read as follows: § 25.203 Choice of sites and frequencies. * * * * (b) An applicant for an earth station authorization in a frequency band shared with equal rights with terrestrial microwave services shall compute the great circle coordination distance contour(s) for the proposed station in accordance with the procedures set forth in § 25.251. The applicant shall submit with the application a map or maps drawn to appropriate scale and in a form suitable for reproduction indicating the location of the proposed station and these contours. These maps, together with the pertinent data on which the computation of these contours is based, including all relevant transmitting and/or receiving parameters of the proposed station that
• http://www.fcc.gov/Bureaus/International/Notices/2000/fcc00369.doc
  • interference to terrestrial users sharing the band, but could receive harmful interference from FS transmissions operating in the band. Hughes urges the Commission to allow GSO FSS earth stations to receive signals in the 18 GHz shared band, with the option of registering for interference protection on a site-by-site basis in accordance with the coordination procedures of Sections 25.203 and 25.251. Hughes also suggests that any fees for such registration must be ``consumer-tolerant'' (such as a single low charge for a batch of 1000 registrations, e.g., $295). In the 29.25-29.5 GHz band that is shared with MSS feeder links, Hughes contends that the provisions of Section 25.258 that deal with intersystem coordination and sharing between NGSO MSS feeder link stations and
• http://www.fcc.gov/Bureaus/International/Orders/2000/da000412.doc
  • and DMC's request for a study and additional information is based on its desire to facilitate co-primary use of the conventional Ku-band in the future. This consideration is outside the scope of our action here and has no bearing on whether PanAmSat should be authorized to launch and operate Galaxy XI to replace existing satellites. We also note that Section 25.251(b) of the Commission's Rules, 47 C.F.R. § 25.251(b), which the commenters cite as support for its argument that PanAmSat should supply the Commission with additional information, pertains to the coordination of earth stations with terrestrial stations. These rules will be addressed when considering earth station applications that propose to operate with Galaxy XI. . 13.75-14.0 GHz Frequency Band. The 13.75-14.0
• http://www.fcc.gov/Bureaus/OMD/Orders/da002204.doc
  • U.S.C. 701-744. Interprets or applies sec. 303, 47 U.S.C. 303. 47 U.S.C. sections 154, 301, 302, 303, 303, 307, 309, and 332, unless otherwise noted. 21. Section 25.131(j) is amended by removing the words ``International Reference Center, FCC, 2000 M St. NW.,'' and adding, in their place, the words ``Reference Information Center, FCC, 445-12th Street, SW, Room CY-A257''. 22. Section 25.251 (b) is amended by removing the words ``International Bureau Reference Center, Room 102, 2000 M Street, NW'' and adding, in their place, the words ``Reference Information Center, FCC, 445-12th Street, SW, Room CY-A257''. PART 52-- NUMBERING 23. The authority citation for Part 52 continues to read as follows: Authority: Sec.1, 2, 4, 5, 48 Stat. 1066, as amended; 47 U.S.C.