Attachment TEMPO motion for lea

TEMPO motion for lea

MOTION submitted by TEMPO

motion for leave to file supplement

1998-03-27

This document pretains to SAT-STA-19960904-00109 for Special Temporal Authority on a Satellite Space Stations filing.

IBFS_SATSTA1996090400109_1158973

Before the h COPY FEDERAL COMMUNICATIONS COMMISSION RE Washington, DC 20554 CEIVED MAR 2 7 1998 Federal Communications Commisalon Office of Secratary In the Matter of EchoStar Satellite Corporation File No . DBS—88—01/68—SAT—ML—96/ Directsat Corporation File No . DBS—88—02/6—SAT—ML—97/ EchoStar DBS Corporation File No . DBS—74—SAT—P/L—96/ Application for Authority to Make Minor Modifications to Direct Broadcast Satellite Authorizations, Launch and Operation Authority EchoStar Satellite Corporation File No . 155—SAT—STA—96 Directsat Corporation File No . 156—SAT—STA—96 Application for Special Temporary MOTION FOR LEAVE TO FILE SUPPLEMENT TEMPO Satellite Inc. ("TEMPO"), by its attorneys, hereby requests leave, pursuant to Section 1.45(c) of the Commission‘s Rules, to submit a Supplement ("Supplement") regarding its petition to deny, or in the alternative, to hold in abeyance ("Petition") the application of EchoStar Satellite Corporation and its subsidiaries Directsat Corporation and EchoStar DBS Corporation (collectively "EchoStar") to modify their direct broadcast satellite ("DBS") systems

(Modification Application") and TEMPO‘s comments on their request for special temporary authority to reduce the spacing between satellites ("STA Request").‘ In the Modification Application and STA Request, EchoStar seeks authority to modify its authorizations to permit the launch of an additional satellite into the nominal 119° W.L. orbital location and to reposition its existing stations at that slot. TEMPO has argued, however, that EchoStar has not provided any technical details about its plans and has not demonstrated that the proposed operations would not interfere with TEMPO‘s system at 119° W.L. TEMPO has recently learned that EchoStar,without authority from the Commission, apparently is operating its two existing satellites at 119° W.L. outside of their licensed orbits. In particular, the data shows that EchoStar has reversed the order of its two satellites and moved them closer to TEMPO‘s station. This unauthorized operation substantially increases the interference into TEMPO and the potential for satellite collision. These new facts confirm that the Commission should deny the Modification Application, and deny the §T4A Request to the extent EchoStar seeks authority to move the "EchoStar 1" satellite east of its specific authorized orbit of 119.2° W.L. Also, as demonstrated in the ‘ See Petition to Deny or To Hold in Abeyance, File Nos. DBS—88—01/68—SAT—ML—96, DBS—88— 02/6—SAT—ML—9, DBS—74—SAT—P/L—96 (filed Feb. 17, 1998); Letters from TEMPO to Thomas S. Tycz, Chief, Satellite and Radiocommunication Division, FCC File Nos. 155/156—SAT—STA—96 (March 28 and April 10, 1997).

Supplement, the Commission should investigate EchoStar‘s operations and immediately order EchoStar to return its satellites to positions that eliminate the potential to interfere with TEMPO. Accordingly, the Commission should grant TEMPO‘s motion for leave and accept the attached Supplement. Respectfully submitted, TEMPO SATELLITE, INC/ Wiley, Rein & Fielding 1776 K Street, N.W. Washington, DC 20006—2304 202/828—4948 Its Attorneys March 27, 1998

RECEIVED MAR 2 7 1998 Before the FEDERAL COMMUNICATIONS COMMISSION Federal Communiqztions Commission Washington, DC 20554 Office of Secrviasy In the Matter of EchoStar Satellite Corporation File No. DBS—88—01/68—SAT—ML—96/ Directsat Corporation File No. DBS—88—02/6—SAT—ML—97/ EchoStar DBS Corporation File No. DBS—74—SAT—P/L—96/ Application for Authority to Make Minor Modifications to Direct Broadcast Satellite Authorizations, Launch and Operation Authority EchoStar Satellite Corporation File No. 155—SAT—STA—96 Directsat Corporation File No. 156—SAT—STA—96 Application for Special Temporary SUPPLEMENTAL FILING OF TEMPO SATELLITE, INC. TEMPO Satellite Inc. ("TEMPO"), by its attorneys, hereby submits this supplemental filing regarding the pending applications of EchoStar Satellite Corporation and its subsidiaries Directsat Corporation and EchoStar DBS Corporation (collectively "EchoStar") to modify their direct broadcast satellite ("DBS") systems (”Mbdification Application") and for special temporary authority to reduce the spacing between the satellites ("STA Request"). According to data recently made available to TEMPO, EchoStar is operating its two existing satellites at the nominal 119° W.L. slot outside of their authorized locations. In particular, EchoStar apparently

has reversed the order of its two satellites, and reduced the overall spacing between the stations. As a result, the potential for interference and satellite collision has been substantially increased. These apparent moves have been made without authority and in spite of express statements from the Commission that such changes could be detrimental to TEMPO‘s operations. The Commission should immediately order EchoStar to cease its unauthorized operations and return the satellites to locations that eliminate the potential to interfere with TEMPO. In light of these new facts, the Commission also should investigate EchoStar‘s activities and deny its pending requests to make changes to its licensed facilities as discussed herein. L. EchoStar is Operating Two Existing Satellites at the Nominal 119° W.L. Position Outside of Their Licensed Orbital Slots Without Authority. TEMPO is licensed to operate a DBS satellite ("TEMPO 1") at 118.8° W.L., using channels 22 through 32.‘ EchoStar is licensed to operate "EchoStar 1" at 119.2° W.L. (odd— numbered channels 1 through 21), and "EchoStar 2" at 118.8° W.L. (even—numbered channels 2 through 20)." Because EchoStar 1 operates, inter alia, on channel 21 and TEMPO 1 operates, inter alia, on adjacent channel 22, the satellites must maintain orbital spacing of 0.4° as provided in the BSS Plan in order to avoid interference. \ See TEMPO Satellite, Inc., 1997 FCC Lexis 954 (Feb. 24, 1997) (granting authority to launch and operate at 118.8° W.L.). The TEMPO 1 satellite is referred to in the attached Engineering Statement as "Tempo 2." * See EchoStar Satellite Corp., 11 FCC Red 3015 (Int‘l Bur. 1996) (granting authority to launch to 119.2° W.L.); Directsat Corporation, 11 FCC Red 10575 (Int‘l Bur. 1996) (granting authority to launch to 118.8° W.L.).

In the Modification Application, EchoStar proposes to launch a new satellite ("EchoStar 4"), which originally had been authorized and designed to operate at 148° W.L., into 119° W.L. Traffic on EchoStar‘s existing satellites at 119° W.L. would then be transferred to EchoStar 4. TEMPO filed a petition to deny, or in the alternative, to hold the Modification Application in abeyance ("Petition"). TEMPO identified several substantial unresolved issues concerning how EchoStar proposes to coordinate frequency use and physical co—location of numerous satellites at 119° W.L. In particular, EchoStar has provided scant detail or technical information about how its proposal to launch a fourth satellite into 119° W.L., migrate satellites, and transfer traffic could be accomplished without causing objectionable interference to TEMPO‘s operations." TEMPO has learned that EchoStar‘s two satellites licensed for service at 119° W.L. apparently are operating well outside their authorized parameters. According to information from EchoStar‘s satellite operator, Loral Skynet, as of March 11, 1998, EchoStar 1 and 2 were operating at 118.95° W.L. and 119.05° W.L., respectively, instead of their licensed slots at 119.2° W.L. and 118.8° W.L.* To verify these locations, the orbits for EchoStar 1 and 2 were also calculated using data from the Norad Two—Line Element Sets. This analysis, which included a conservative margin of error, confirmed that EchoStar 1 was operating in the same vicinity as TEMPO 1, and EchoStar 2 was west of EchoStar 1: * Petition at 3—5. * See attached Engineering Statement of Gary McCue, March 27, 1998, at 5 ("Engineering Statement‘).

Station Estimated Orbit Authorized Orbit Date of Data (as of) TEMPO 1: 118.73° W.L. +0.05/—0.00 118.8° W.L. March 19, 1998 EchoStar 1: 118.78° W.L. +0.05/—0.00 119.2° W.L. March 20, 1998 EchoStar 2: 119.04° W.L. +0.05/—0.00 118.8° W.L. March 7, 1998 The study also showed that TEMPO 1 has been operated as authorized at 118.8° W.L. +/— 0.1°.° EchoStar has no authority to operate EchoStar 1 and 2 at any positions other than 119.2° W.L. and 118.8° W.L., respectively.‘ In September 1996, EchoStar requested special temporary authority ("STA Request") to reduce the spacing between EchoStar 1 and EchoStar 2 to 0.1°, with 119.0° W.L. as the mid—point.© However, to TEMPO‘s knowledge, the STA Request remains pending." TEMPO supported EchoStar‘s request to move EchoStar 2 west of 118.8° W.L. in * Id. at ©| 6. * Id. at 7. The EchoStar 1 and 2 satellites may have been operating from unauthorized slots for a substantial period of time. Thus, according to information from Loral Skynet, in March 1997, EchoStar 1 and 2 were operating at 119.05° W.L. and 118.95° W.L., respectively. Id. at «[ 4. ‘ EchoStar‘s ITU Appendix 4 and $4 also represent that EchoStar 1 and 2 would be located at 119.2° W.L. and 118.8° W.L., respectively. See Engineering Statement at [ 3. ® Applications ofEchoStar Satellite Corporation and Directsat Corporation for Special Temporary Authority, File Nos. 155—SAT—STA—96 and 156—SAT—STA—96 (Sept. 12, 1996). It is unclear exactly what satellite positions EchoStar requested. The original request appears to propose to operate EchoStar 1 and 2 "at 118.95° W.L. and 119.05° W.L., respectively." ST4 Request at 1. In its next submission, however, EchoStar reverses these positions and requests to move EchoStar 1 to 119.05° W.L., and EchoStar 2 to 118.95° W.L. See Letter from EchoStar to Thomas S. Tycz, Chief, Satellite and Radiocommunication Division, at 1—2 (March 28, 1997). In a subsequent filing, the request is characterized both ways. See Letter from EchoStar to Thomas Tycz, at 2 and Technical Annex at 1 (May 21, 1997). ° In March 1996, EchoStar received temporary authority to operate EchoStar 1 at 119.0° W.L. pending the launch of EchoStar 2. EchoStar Satellite Corporation, 11 FCC Red 5353 (Int‘l Bur. 1996). The FCC explicitly conditioned its grant of this STA on EchoStar‘s commitment to move EchoStar 1 to 119.2° W.L. immediately upon the launch of EchoStar 2. Id. ("EchoStar has stated its intention to cease operations at 119.0° W.L. and move its eastern satellite to 119.2° W.L. (Continued...)

order to reduce the potential for satellite collision, but opposed the request to move EchoStar 1 any closer to TEMPO 1 because of the need to properly separate adjacent channels." According to the data available to TEMPO, EchoStar 1 and TEMPO 1, which should be separated by 0.4°, are now operating in the same vicinity. This greatly increases the cross— polarized interference from EchoStar 1°s channel 21 into TEMPO 1‘s channel 22."" Indeed, in a February 1997 letter requesting additional technical analysis from EchoStar to support its still— pending S74 Request, the Commission stated, "We are concerned that the potential for interference to or from Tempo‘s assigned channels is increased by moving [EchoStar 1] closer to 118.8° W.L."" Despite the lack of authority and the Commission‘s explicit concern, EchoStar now appears to have moved its satellites as proposed in the pending STA Request." (...Continued) immediately upon expiration of its STA, and we will make this a further condition of this grant."). Accordingly, both the terms ofits license and the Commission‘s 1996 order require EchoStar 1 to be operated at 119.2° W.L. See Letter from TEMPO to Thomas S. Tycz, File Nos. 155/156—SAT—STA—96, April 10, 1997. See id. * See Letter from Thomas S. Tycz to EchoStar, File Nos. 155/156—SAT—STA—96, Feb. 24, 1997. " In support of its own request for STA, EchoStar asserts that reducing the spacing between EchoStar 1 and TEMPO 1 would not result in interference. Letters from EchoStar to Thomas S. Tycz, File Nos. 155/156—SAT—STA—96, March 28, 1997, and May 21, 1997. As TEMPO has previously noted, however, this claim is directly inconsistent with EchoStar‘s own objections to TEMPO‘s requests for Commission authorizations. See Comments of EchoStar Satellite Corporation, File No. DBS—88—04/93—02MP, (Sept. 30, 1994) at 8, 9—11 (objecting to TEMPO‘s application for modification of a construction permit arguing that even maintaining 0.4° spacing between satellites could result in interference to EchoStar‘s system or force more costly station— keeping maneuvers); EchoStar Petition to Deny, FCC File No. 1735—DSE—P/L—96 (Oct. 18, 1996) at 5—6 (objecting to application of TEMPO‘s then—affiliate, Western Tele—Communications, Inc., for a license to operate a DBS uplink station).

Moreover, EchoStar‘s maneuvers substantially increase the risk of collision between satellites. The deadbands of the East—West station—keeping of EchoStar 1 and TEMPO 1 apparently overlap."* In addition, a Canadian satellite operates at 118.6° W.L. (and a future satellite will be operated at 118.7° W.L.), so that a total of four satellites are now operating in the congested space of less than five—tenths of one degree." In light of EchoStar‘s current operations, its unspecified plan to launch yet another satellite into 119° W.L. is not consistent with sound engineering practice." IL. The Commission Should Require EchoStar to Return Its Satellites to Locations that Eliminate the Risk to TEMPO and Deny Any Further Requests to Modify EchoStar‘s Facilities EchoStar‘s current unauthorized operations substantially increase the interference into TEMPO‘s system, threaten the physical collision of satellites, and complicate the ability of the . parties to successfully operate their respective systems. Accordingly, the Commission should take the following actions: First, EchoStar should be ordered immediately to return EchoStar 1 to its assigned orbital location of 119.2° W.L. As the Commission has recognized, operating EchoStar 1 less than 0.4 degrees from TEMPO 1 substantially increases the potential for interference. Returning EchoStar 1 to its licensed slot would reduce this threat. The Commission also should monitor EchoStar‘s actions to ensure that unauthorized operations are not repeated. EchoStar should be required to file periodic reports verifying the precise location of its satellites. " Engineering Statement at «[ 9.d. 5 T4. at \M 8. 9.d. * Id. at 10.

Second, the Commission should deny the Modification Application. EchoStar has not disclosed any details ofits plans to launch, test and operate EchoStar 4 at 119° W.L. In particular, EchoStar has not identified what, if any, changes would be made to the satellite which originally was designed for service at the "western‘"orbital slot of 148° W.L., or how it would coordinate frequencies and physical co—location of a fourth satellite at the 119° W.L. location.i7 EchoStar has not disclosed the timing of the launch, the exact orbital location for the new satellite, whether other satellites may be repositioned, how long all three of EchoStar‘s satellites would remain at 119° W.L., and how service would be transitioned to the new satellite."" Rather, EchoStar has made only the faint promise to exercise "greatest care" in operating another satellite at some unspecified orbital location in the same area as TEMPO 1." In view of EchoStar‘s failure to submit critical details and its pfesent unauthorized operations, EchoStar has not demonstrated how the receipt of further authorizations from the Commission would serve the public interest. Accordingly, the Modification Application should be denied. Finally, the Commission should deny EchoStar‘s pending STA Request to relocate EchoStar 1 any further east of 119.2° W.L. TEMPO supports, however, EchoStar 2 remaining at 119.05° W.L. or moving further to the west. This action would substantially reduce the difficulty of operating co—located satellites and the risk of harmful interference with TEMPO‘s operations. Petition at 3—4. Moreover, coordination of all the U.S. BSS satellites will be complicated by the location of a Canadian satellite currently at 118.6° W.L. and the future satellite at 118.7° W.L. See Engineering Statement at © 8, 10. } Petition at 4—5. Opposition of EchoStar Satellite Corporation, File Nos. DBS—88—01/68—SAT—ML—96, 88—02/6— SAT—ML—97, 74—SAT—P/L—96, March 4, 1998, Technical Annex at 1.

IIL. Conclusion EchoStar appears to have reversed the operating order of its two satellites, moved them in the direction of TEMPO 1, and relocated EchoStar 1 (with adjacent channel 21) to the same vicinity as TEMPO 1 without authority from the Commussion. EchoStar has taken these actions in disregard of the Commission‘s expressed concern that interference to TEMPO could result. Accordingly, the Commission should order EchoStar to return EchoStar 1 to 119.2° W.L., deny the Modification Application, and deny the STA Request with respect to the relocation of EchoStar 1 east of its licensed orbit. Respectfully submitted, / TEMPO SATELLITE, INC. Richard E. Wiley Todd M. Stansbury Wiley, Rein & Fielding 1776 K Street, N.W. Washington, DC 20006—2304 202/828—4948 Its Attorneys March 27, 1998

Engineering Statement of Gary B. McCue 1. I am Director of Satellite Services for TCI Technology Ventures, which provides technical management services for the TEMPO Satellite Inc. (TEMPO) system. 2. The following DBS and communications satellites currently operate with orbital locations in the vicinity of 119° West Longitude (WL): Tempo 2: operated by TEMPO (USABSS—7)! EchoStar 1: operated by EchoStar Satellite Corp. (USABSS—3) EchoStar 2: operated by Directsat Corp. (USABSS—4) Anik C1: operated by Telesat Canada 3. The orbit locations assigned to U.S. DBS satellites at 119° WL are: Tempo 2; 118.8° WL EchoStar 1: 119.2° WL EchoStar 2: 118.8° WL EchoStar confirmed orbits of 119.2° WL for EchoStar 1 and 118.8° WL for EchoStar 2 in its Appendix 4 and $4 filings. 4. In March 1997, Space Systems/Loral (SS/L), TEMPO‘s satellite contractor, indicated that EchoStar 1 was located at 119.05° WL and EchoStar 2 was located at 118.95° WL . See Attachment 1. This was based on information provided from EchoStar‘s satellite operator, Loral Skynet. 5. On March 11, 1998, I was informed by SS/L that the EchoStar satellites had changed orbital locations: EchoStar 2 was located at 119.05° WL and EchoStar 1 was located at 118.95° WL. This is the opposite arrangement to that in effect in paragraph 4 above. This was based on information obtained from Loral Skynet. See Attachment 2. ‘ As referred to by Space Systems/Loral and others in the attachments, TEMPO, TEMPO 2, TEMPO FM2 or flight model 2, may be used interchangeably with TEMPO or TEMPO 1 for purposes of the satellite launched on March 8, 1997 and operated at 118.8° W.L.

6. In order to confirm the locations noted in 5 above, Tempo requested that SS/L calculate the orbit longitudes of EchoStar 1, EchoStar 2, Tempo 2 and Anik C1. Attachment 3 is the calculated positions of EchoStar 1, EchoStar 2, Tempo 2 and Anik C1. This was provided by SS/L using the Norad Two—Line Element Sets for the satellites as of March 7, 1998 for EchoStar 2, March 19, 1998 for Tempo 2, March 20, 1998 for EchoStar 1, and March 23, 1998 for Anik C1. See Attachment 3. SS/L confirmed that it calculated the orbital locations using the same model as the source for the Norad Two—Line Element Sets, so that no computational errors are created. See Attachment 4. 7. The Norad Two—Line Element Sets are the U.S. Government‘s data. To estimate the accuracy of the Norad Two—Line Element Sets, a comparison was made to the actual ephemeris data of TEMPO 2, believed by SS/L to be very accurate. Using SS/L‘s Orbit Initial Coriditions Program, Tempo elements from flight software and Norad Two—Line Elements from March 14, 1998 were propagated ahead to a common epoch of 00.00.00 hours UT on March 20, 1998. The Norad 2—Line Element longitude result was 118.715° WL with the Tempo ephemeris longitude result 118.7270° WL, an error of 0.012° east. To be conservative, an amount of 0.05° could be added to the results presented in Attachment 3 for the other satellites in paragraph 9. 8. I have been informed by Telesat Canada that as of March 19, 1998, the Anik C1 satellite was located at approximately 118.6° WL. The Anik C1 satellite is located at 118.6° WL on a temporary basis. See Attachment 5. The future Anik F satellite is assigned 118.7° WL. See Attachment 6. 9. Based upon the discussions with and calculations by SS/L, according to the Norad Two—Line Element Sets data, as adjusted above: a. EchoStar 1, which is authorized to operate at 119.2° WL, was located at approximately 118.78° WL +0.05/—0.00 as of March 20, 1998, with diurnal motion of approximately +/— 0.05°. As Tempo has previously stated, any orbit closer to the east than 119.2° WL for EchoStar 1 will increase interference into Tempo 2. b. EchoStar 2, which is authorized to operate at 118.8° WL, was located at approximately 119.04° WL +0.05/—0.00 as of March 7, 1998, with diurnal motion of approximately +/— 0.025°. To reduce the potential for

f1s4gg1298 MACPOSPECE INC PEAGE A2 mare ats a3j0 doJ. £L FRAN #ILEY, REIN % FIELDING 83.27.1998 13:+4% P . @1 satellite collision, Tempo has previously stated that it has no objection to EchoStar 2 using an orbit west of 118.8° WL. c. Tempo 2 has remained at its assigned orbit of 118.8° WL with +/— 0.1° E—W station—keeping. The adjusted Norad Two—Line Elements for March 19, 1998 would place Tempo 2 at 118.73° WL +0.05/—0.00 with diurnal motion of approximately +/— 0.045°. As of March 23, 1998, Anik C1 was located at approximately 118.55° WL +0.05/—0.00 with diumal motion of approximately +/— 0.034*, d. The calculated positions of EchoStar 2, Tempo 2, and Anik C1 are very close to the positions stated by the operator. In the case ofEchoStar 1, it is calculated in an orbit east of that stated by at least 0.12°. It also has a calculated diurnal motion of +/— 0.05° East—West of that position. If the calculated orbit for EchoStar 1 is accurate, a potential of collision exists with Tempo 2, since the deadbands of the East—West station—keeping of these satelilites overlap. 10. It is my opinion that the present proximity of TEMPO 2, EchoStar 1, EchoStar 2 and Anik C1, as shown by the SS/L calculations, is not consistent with reasonable engineering practices. EchoStar‘s proposal to place a fifth . satellite, EchoStar 4, in the vicinity of 119° WL appears to be simply risky. To avoid the potential for physical collision and interference, EchoStar should immediately relocate EchoStar 1 to 119.2° WL, and maintain EchoStar 2 at 119.05° WL or any point further west. Also, consideration should be given to the location of Anik C1 and the future Anik F satellite. The foregoing is true and correct to the best ofmy knowledge, information and belief. : W—j 0 Gary@ MdCye Date: March 27, 1998

CERTIFICATE OF SERVICE I, Audrey M. Williams, hereby certify that on this 27th day of March, 1998, I caused copies of the foregoing Motion for Leave to File Supplement to be sent via first class mail to the following: Regina Keeney Tom Tycz International Bureau International Bureau Federal Communications Commission Federal Communications Commission 2000 M Street, N. W., Room 800 Room 520 Washington, D.C. 20554 * 2000 M Street, N.W. Washington, D.C. 20554 * Ms. Rosalee Chiara James T. Taylor International Bureau International Bureau Federal Communications Commission Federal Communications Commission 2000 M Street, N.W., Room 516 2000 M Street, N.W., Room 581 Washington, D.C. 20554 * Washington, D.C. 20554 * Steve Sharkey Kimberly Baum International Bureau International Bureau Federal Communications Commission Federal Communications Commission 2000 M Street, N.W., Room 512 2000 M Street, N.W., Room 894 Washington, D.C. 20554 * Washington, D.C. 20554 * James A. Kirkland Philip L. Verveer Michael B. Bressman Angie Kronenberg Mintz Levin Cohn Ferris Glovsky and Willkie Farr & Gallagher Popeo, P.C. Three Lafayette Centre Suite 900 1155 21" Street, N.W. 701 Pennsylvania Avenue, N.W. Washington, D.C. 20036 Washington, D.C. 20004 James U. Troup David K. Moskowitz Arter & Hadden Senior Vice President 1801 K Street, N.W., Suite 400K and General Counsel Washington, D.C. 20006—1301 90 Inverness Circle Englewood, CO 80112

Philip L. Malet Herbert E. Marks Pantelis Michalopoulos James M. Fink Michael D. Nilsoon Squire, Sanders & Dempsey, L.L.P. Steptoe & Johnson LLP P. 0. Box 407 1330 Connecticut Avenue, N.W. 1201 Pennsylvania Avenue, N.W. Washington, D.C. 20036 * Washington, D.C. 20444 6 AMG Audrey .\ Williams * By Hand

Attachment 1 SPAGCE SYSTEMS/LORAL 18 March 1997 3UMO5O—JRM—97—005 To: Ron Haymore From: : Jim Mowat, Tempo Payload System Engineering Subject: : Conversation with Loral Skynet regarding Echostar Locations The following summarizes details of a telephone conversation with Marty Speckhardt {phone number717 226—6641), Manager of Spacecraft Operations at the Loral Skynetsite at Hawley Pennsyivania on March 18, 1997. Loral Skynet is the operator of the Echostar spacecraft TT&C system. Mr. Speckhardt stated that the Echostar 1 spacecraft is located at 119.05 degrees west and the Echostar 2 spacecraft is located at 118.95 degrees west longitude and each is contained within a +/— 0.05 degree box. He also told us that he is the Loral Skynet contact for matters regarding Echostar and that Karl Jessinghaus is the Echostar Corp contact for similar matters at phone number 307 633—5227 in Cheyenne, Wyoming. The console in Cheyenne is 307 633—5263. We toid Mr. Speckhardt that we would be moving Tempo to 118.8° W around mid—April would be testing it using transponder channels 22—32 only from that location. Please call me at 415 852—4611 if you have any questions or concems. TEMPO System Engineering maFcharCC.dog

atfac Ro > \rEas Anment 2 SmBACce SVYSTEmMmS/LOraAL To: G. McCue, TCI From: Tim Cole Subject: Orbit Locations 11 March 1998 Per telephone conversation with Marty Speckhardt of Loral/Skynet the Echostar 1 satellite is located at 118.95 deg. The Echostar 2 satellite is located at 119.05 deg. Per Mike Sato, LTO OA, Tempo2 is located at 118.80 degrees. Tim Cole, LTO FD cec. Jim Baxley Mike Rubin TOTAL P.01

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3/25/ 38 13:33:57 NORAD 2—line Element Set #166 Conversion SATELLITE SUMMARY — KEPLERIAN ELEMEMNMT3S EPOCH A E INC RAAN ARGP MA 82/09:18 : 50o.5 €21§64.67 . 000283 .813 93 .708 271. 540 196 .503 79/18:54:44.5 42165.021 «000454 021 168 .593 157.509 356 .905 66/05:45: 09 .4 42165 .20 000157 025 312 .594 50 .224 129.159 $ WPi 78 /20 :06 : 21 .4 42164 .78 000478 .009 353 .647 355 .079 11 .283 #** SATBLLITE 1 (ANIK C1) STATE AT EPOCH ++* Epoch Date 23 MAR 98 GPS Date = 23 MAR 98 Universal Time 09 :18 :50 .512 GPB Time a 09:19:02. 512 NORAD Hpoch Time 98082 .3880846 GPS Neek a 950 Greenwich Hr Angle 320.374 dag GPS Time of Waak «@119942.51 seo Xe Semimajor Axis 42164.67 kn =—39149.81 km Eccentricity .oooggg a Y¥ ==15677.81 k Inclination — eg 2 «s 56B.85 km R.A. of Asc Node 93.788 deg Xkdo« 1.14276 km/s 271.5410 deg Ydot —2.8 5346 km/s True Anomaly 196.494 dag Zdot =. 01350 km/s Mean Anomaly 196.503 deg Period 1436 .093 Recentric Anomaly 196.499 deg Lon of Asc Node 133 .414 eq degs Perigae Radius 42152.73 km Arg of Latitude 108 .034 dag aa Radius 42176.61 km Gecdeatic Latitude= 7174 Perigee Altitude 35774 .60 km itude = +118.550 degn aq Apogee Altitude 35798 .47 kn Radius u 42176.12 km Mean Motion 1.00273% revs/day *** SATELLITE 2 (BECHOSTAR 1) STATE AT BPOCH *** Epoch Date 20 MAR 98 GPS8 Date = 20 MAR 98 Universal Time 18 : 54 : 44 . 478 GPS Time = 18:54:;56 . 478 NORAD Epoch Time 98079 .7880148 GPS8 Week = 949 Greanwich Hr Angle » 101.786 dag GP8 Time of Week 2500096 .48 Semimajor Axis 42165.01 on X a 40208 .07 Recentricity Y =«12319 .77 Inclination & 6 .65 R.A. of Asc Nodse Xdot . 89909 Arqumeant of Perigee= 187.509 deg Ydot 2. 94170 True Anomaly 356.902 deg Zdaot =.90101 Mean Anomaly 356 .905 deg Period 1436 .111 Eccantric Anomaly 356.903 deg Lon of Aso Node 86 .807 Paerigee Radius 42145.85 km Arg of Latitude 154 .411 ee Radius 42184.16 km Geodetic Latitude= .009 Perigae Altitude 35767.71 km g:ggitudo a —118 .782 Apogee Altituds 35806.02 km us = 42145 .88 Mean Motion 1.00371 revs/day

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new % alsam Sim —.ec ow Attachment 4 SPACE SYSTEMS/LORAL 3825 Fabian Way, M/S PS—1 Palo Alto CA 943034604 Phone: 650—852—7259 Fax: 650—852—7508 *****Please note new fax number ***** TEMPO Program Office Facsimile Transmittal Sheet DATE: __ 3/19/98 SUBJECT: __ Orbit analysis FROM: Mike Rubin Total Pages + this page: 1 by wiepbone and reeurn the original to us at the above address by mail. Thank you. TO: Gary McCue 303—486—3813 FAX: 303—486—3890 CC: TCI file FAX: Message: Gary, Our orbits analysis department reports that they use the same orbital modeling software that Norad uses to generate its ephemeris data. This being the case, when the Norad data is reanalyzed to give an orbital location, no computational errors are introduced. M. D. Rubin PLEASE CALL 650—852—7259 IF YOU DO NOT RECEIVE ANY OF THE FOLLOWING PAGES ThnTa P a@

.*?/7//‘ Attachment 3 TCJ Call Report Gary McCue TCI 3/19/98 Conversation with Al Smalley regarding location of Anik satellites and future coordination requirements with Telesat Canada. 1. Anik C1 is currently located at 118.6° WL. The East—West deadband is +/— 0.1° station—keeping. Anik C1 is temporary, it is being operated without N—S station—keeping in inclined mode. There is no problem with Tempo since it‘s orbit of 118.8° WL and 118.6° WL for Anik C1, both with +/— 0.1° E—W, will not overlap. Telesat‘s f)osition on Anik F remains the;same as the previous discussions with Al, as defined in letter dated April 4, 1997 with Anik F being located at 118.7° WL, with two exceptions: 1) Al specified that Anik F would not be expected for some years, perhaps 2005, and 2) it would use 0.05° E—W station—keeping. Ventures, Inc. National Digital Television Center (303) 486—3800 4100 E. Dry Creek Road FAX (303) 486—3890 TCI Technology Ven . Littleton, CO 80122 An—Equal Opporturity Employer

kackaldada uAsALA €9001 § Telesat ‘Attachment 6 FACSIMILE COVER SHEET To: Gary McCue Company: TCI FAX No: (303) 486 — 3890 From: Al Smalley | Message: Gary, Further to a number of recent discussions on coordination of a DBS satellite at 119°W and Anik satellites at 118.7°W, the attached notes are a summary of our views. Regards, Date: April 4, 1997 Time: Operator: Ext: Number of Pages (including cover sheet): 2 Please call (613) 748—0123 if any problems should occur during the transmission or reception of any document coming from Telesat. Telesat Canada Telephone 613—748—8700 ext 2382 1601 Telesat Court Fax 613—748—8712 Gloucester, Ontario Telex 053—4184 K1B 5P94 Internet a.smalley@telesat.ca

t UV d Attachment 8 Page 2 of 2 — A Telesat Anik satellite has been assigned to the 118.7°W position as part of the trilateral agreement — Telesat plans to bring Anik C1 into service at this orbital location within a few weeks. This satellite operates in the Ku—band and has a projected life of about three years. — Telesat plans to operate a new Anik F series satellite at the 118.7°W position within about 2 years. This will be a dual band (C and Ku) satellite — To ensure that there is no possibility ofphysical interaction between the satellites, Telesat would suggest that the most easterly DBS satellite be assigned to a nominal position no closer than 118.95°W — The Echostar satellites use telemety and command frequency assignments in the C— band. In order to minimize any potential coordination difficulties it would be preferrable to have as much separation as possible between these satellites and the Anik F satellite which will be located at 118.7°W.


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Document Modified: 2016-11-16 17:05:55
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