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band services, which allow over 200 locations for satellites, S-band satellites must be spaced far apart, with current technology. Existing vehicle antennas would not allow reception of two different stations on the same frequency, though new technology, requiring a new kind of receiver, might be
175:
Digital
Satellite Broadcasting Corporation was one of four companies bidding for Satellite Digital Audio Radio Service, or SDARS, licenses in the United States. The service would have been a listener-supported subscription digital audio service.
82:
In the United States, from this global allocation, satellite radio (SDARS) services are allocated a subset, the 25MHz from 2320–2345 MHz. This band is further broken down into sub-bands for space-to-ground and terrestrial broadcasts:
67:
WorldSpace also operated a DARS network outside the United States and Canada with a footprint covering Europe, Asia, the Middle East and Africa. It used the L-band.
514:
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861:
201:
1997 April: American Mobile
Satellite Corporation and Satellite CD Radio, Inc. are each awarded SDARS licenses. The companies eventually become known
856:
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and
Digital Satellite Broadcasting Corporation are denied licenses by becoming third and fourth lowest bidders, respectively, during the auction.
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52:), used by Sirius Satellite Radio and XM Satellite Radio. XM and Sirius both operate in the 2.3-GHz S band, from 2320 to 2345 MHz.
38:
206:
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In 1992, the World
Administrative Radio Conference (WARC) allocated satellite radio services the 2310–2360 MHz band for
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840:
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Erskine, Daniel H. (2007-05-20). "Satellite
Digital Audio Radio Searching for Novel Theories of Action". Rochester, NY.
353:"Establishment of Rules and Policies for the Digital Audio Radio Satellite Service in the 2310-2360 MHz Frequency Band"
330:
183:, known then as Satellite CD Radio Inc., proposes the concept of a satellite-delivered digital radio service to the
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229:
768:
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306:"Satellite Radio (SDARS) - Accomplishments, Challenges and Risks - Bruce Elbert, Satellite Expert and Consultant"
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1995 January: The FCC sets aside 50 MHz (2310 MHz through 2360 MHz) in the
37:) is any type of digital radio program service. In the United States it is the official
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Increasing the spectrum available for more services would be difficult, since unlike
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Bruce Elbert, "Satellite Radio – Accomplishments, Opportunities and Risks,"
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http://dev.space.com/spacenews/archive95/sn1995.fff1476.html
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2001 September 25: XM Satellite Radio officially launches.
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2002 July 1: Sirius
Satellite Radio officially launches.
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for
Satellite Digital Audio Radio Service, also known as
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The most popular type of DARS in the U.S. and Canada is
372:. Federal Communications Commission. 16 October 2012.
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836:Consultative Committee for Space Data Systems
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8:
27:US classification for digital radio services
198:and now commonly known as Satellite Radio.
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205:and Sirius Satellite Radio, respectively.
171:Digital Satellite Broadcasting Corporation
85:
862:List of communication satellite companies
857:List of communications satellite firsts
370:"Wireless Communications Service (WCS)"
252:
77:Broadcasting Satellite Services (audio)
739:Shanghai Spacecom Satellite Technology
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271:
50:Satellite Digital Audio Radio Service
7:
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331:"Worldspace Corporate Information"
25:
520:Automatic Tracking Satellite Dish
392:FCC sets aside spectrum for SDARS
185:Federal Communications Commission
41:term for digital radio services.
886:
875:
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98:Usage and original service user
207:Primosphere Limited Partnership
120:Terrestrial Repeaters (Sirius)
1:
841:ETSI Satellite Digital Radio
565:Very-small-aperture terminal
617:Digital audio radio service
525:Motor-driven Satellite dish
153:Terrestrial Repeaters (XM)
31:Digital audio radio service
936:
236:Direct broadcast satellite
230:Digital Audio Broadcasting
870:
672:Relay satellite companies
469:High-throughput satellite
454:Satellite Internet access
430:Satellite communications
778:Satellite manufacturers
281:Cite journal requires
181:Sirius Satellite Radio
444:Satellite television
829:Trade organizations
820:Thales Alenia Space
633:Astra Digital Radio
626:Broadcast companies
555:Satellite data unit
131:Satellite (Sirius)
109:Satellite (Sirius)
88:
648:Sirius XM Holdings
539:Parabolic antennas
388:2003-06-06 at the
203:XM Satellite Radio
86:
71:Spectrum resources
902:
901:
459:Amateur satellite
168:
167:
158:2341.285 MHz
150:2341.285 MHz
147:2336.225 MHz
139:2336.225 MHz
16:(Redirected from
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805:Northrop Grumman
484:Carriage dispute
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337:. Archived from
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308:. Archived from
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125:2327.96 MHz
117:2327.96 MHz
114:2324.54 MHz
106:2324.54 MHz
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920:Satellite radio
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800:Lockheed Martin
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679:AST SpaceMobile
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575:Satellite radio
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550:Satellite modem
545:Satellite phone
530:Multi-satellite
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474:Relay satellite
449:Satellite radio
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390:Wayback Machine
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241:Satellite radio
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164:Satellite (XM)
142:Satellite (XM)
136:2332.5 MHz
128:2332.5 MHz
95:Upper Frequency
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535:Satellite dish
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341:on 2008-07-19.
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505:Monoblock LNB
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437:Main articles
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312:on 2008-05-09
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225:Digital audio
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161:2345 MHz
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103:2320 MHz
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87:Caption text
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19:
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719:Intersputnik
643:Dish Network
616:
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339:the original
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314:. Retrieved
310:the original
300:
295:
274:cite journal
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81:
76:
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66:
54:
49:
45:
43:
34:
30:
29:
729:SED Systems
663:1worldspace
479:Transponder
909:Categories
694:Globalstar
316:2008-05-07
247:References
64:possible.
500:SAT>IP
881:Category
749:Starlink
744:Star One
714:Intelsat
709:Inmarsat
699:Hispasat
689:Eutelsat
684:EchoStar
560:Spacebus
493:Hardware
386:Archived
219:See also
893:Commons
764:Turksat
754:Telesat
724:Iridium
658:Allente
638:DirecTV
612:ISDB-S3
607:DVB-S2X
597:DVB-RCS
810:SpaceX
790:Boeing
785:Airbus
769:Viasat
759:Tooway
704:Hughes
653:Sky UK
602:DVB-S2
587:DVB-SH
510:DiSEqC
266:987358
264:
192:S-band
179:1990:
57:C-band
850:Lists
795:INVAP
592:S-DMB
515:USALS
356:(PDF)
232:(DAB)
196:SDARS
92:Lower
59:and K
46:SDARS
18:SDARS
287:help
262:SSRN
35:DARS
815:SSL
734:SES
39:FCC
911::
579:TV
577:/
333:.
278::
276:}}
272:{{
187:.
79:.
541:)
537:(
422:e
415:t
408:v
358:.
319:.
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285:(
268:.
61:u
48:(
33:(
20:)
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.