Attachment 20140325150411.pdf

This document pretains to SES-MOD-19970708-00921 for Modification on a Satellite Earth Station filing.

IBFS_SESMOD1997070800921_1040045

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FEDERAL COMMUNICATIONS COMMISSION Approved by OMB 3060—0589 FCC REMITMNCE ADVICE mapires 22897 pacge no. _1 or _1 (RESERVED) mt C ) | (Read instructions carefully BEFORE proceeding.) PAYOR INFORMATION (1) FCC ACCOUNT NUMBER Did you have a number prior to this? Enter it. (2) TOTAL AMOUNT PAID (dollars and cents) [pBstaslol 1 taofolslalsl I | I J 1| L _T 1 °FH36.00> (3) PAYOR NAME (If paying by credit card, enter name exactly as it flércéivéfl) O R I G I NA L Fisher Wayland:SJB (4) STREET ADDRESS LINE NO. 1 j JU'_ 1‘5 1997 2001 Pennsylvania Avenue, N.W., #400 (5) STREET ADDRESS LINE NO. 2 Sateliite and (6) CITy RadiocommunicationsDivigen; (8) ZIP CODE Washington International Bureay} ; 20006 (9) DAYTIME TELEPHONE NUMBER (Include area code) © (10) COUNTRY CODE (if not U.S.A.) (202) 659—3494 e Tey 1 nrorvATION (11A) NAME OF APPLICANT, LICENSEE, REGULATEE, OR DEBTOR FCC USE ONLY AMSC Subsidiary Corporation (12A) FCC CALL SIGN/OTHER ID (13A) ZIP CODE (14A) PAYMENT TYPE CODE (15A) QUANTITY (16A) FEE DUE FOR PAYMENT TYPE CODE IN BLOCK 14 681—DSE—MP/L—95 22091 g 6 B 1 $ 130.00 (17A) FCC CODE 1 (18A) FCC CODE 2 (19A) ADDRESS LINE NO. 1 (20A) ADDRESS LINE NO. 2) (21A) CITY/STATE OR COUNTRY CODE 10802 Parkridge Blvd. f Reston, VA ITEM #2 INFORMATION (11B) NAME OF APPLICANT, LICENSEE, REGULATEE, OR DEBTOR FCC USE ONLY (12B) FCC CALL SIGN/OTHER ID (13B) ZIP CODE (14B) PAYMENT TYPE CODE (15B) QUANTITY (16B) FEE DUE FOR PAYMENT TYPE CODE IN BLOCK 14 $ (17B) FCC CODE 1 . (18B) FCC CODE 2 (19B) ADDRESS LINE NO. 1 (20B) ADDRESS LINE NO. 2 (21B) CITY/STATE OR COUNTRY CODE CREDIT CARD PAYMENT inFormation@aMnai (22) MASTERCARD/VISA ACCOUNT NUMBER: [_] Mastercard EXPIRATION DATE: D Visa Month Year —_ AUTHORIZED SIGNATURE DATE (23) Ihereby authorize the FCC to charge my VISA or Mastercard for the service(s)/authorization(s) herein describe. t& See public burden estimate on reverse. FCC FORM 159

«/A ShawPittman ORIEINAL A Law Partnership Including Professional Corporations StEPHEN J. BERMAN 202.429.4683 stephen.berman@shawpittman.com ?%EG%%V ‘}E:’fi AUG 1 1 2000 August 11, 2000 repenn.arrce commpunsnous oomnas® of ThE SECRETARY g e #d4 — (a JPV § | VIA HAND DELIVERY C L’f\ — 6 d Ms. Magalie Roman Salas M £*/}— SZ— ht W/L f3 ‘7/‘ Secretary a Federal Communications Commission «& :’;l t« Il 1 Ob f 2e t oTj sP — : The Portals lC CC [ 4 4 [0 84 445 Twelfth Street, SW A m £, % Washington, D.C. 20554 U P 4 44. Re: Notification of Withdrawal of Application for Minor t Modification of Blanket License Authorization , Motient Services Inc., File No. SES-MOD-I99¢OO}’(/)8-00921 Dear Ms. Roman Salas: T Motient Services Inc. ("Motient," formerly AMSC Subsidiary Corporation), through its attorneys, hereby withdraws its July 8, 1997 application for minor modification of its blanket authorization for mobile data terminals. See File No. SES— MOD—199900808—00921. If you have any questions regarding the withdrawal of this application, please contact the undersigned. Very truly yours, Stel;/%];e\> an l cc: Sylvia Lam Washington, DC Northern Virginia New York Los Angeles 2001 Pennsylvania Avenue, NW Washington, DC 20006—1824 202.659.3494 Fax: 202.296.6518 www.shawpittman.com London

10802 Parkridge Blvd Reston VA 20191—5416 American Mobile Satellite Corporation 703| 758 6150 Lon C. Levin rax | 758 6189 Vice President levin@skycell.com July 8, 1997 VIA COURIER DELIVERY TO MELLON BANK Mr. William F. Caton Acting Secretary Received Federal Communications Commission 1919 M Street, N.W. ayt151997 Washington, D.C. 20554 Re: Request for Minor Modification ; :mfifiiifii@ Division File No. 681—DSE—MP/L—95 —_ Intemnatlonal Bureau Dear Mr. Caton: AMSC Subsidiary Corporation ("AMSC") respectfully requests that the Commiuission modify the above—referenced authorization to permit AMSC to operate half—duplex mobile earth terminals ("METs") with a transmit bandwidth of 25 kHz. Consistent with its current authorization, AMSC‘s existing half—duplex terminals have a transmit bandwidth of 5 kHz. AMSC now intends to use MET‘s manufactured by Vistar Telecommunications, Inc. ("Vistar"), and transmissions from these terminals require a wider bandwidth than do transmissions from AMSC‘s existing terminals. This greater transmit bandwidth is required by Vistar‘s use of CDMA technology, which enables up to ten terminals to transmit simultaneously. These Vistar terminals will otherwise operate within the parameters of AMSC‘s existing authorization. The level of out—of—band and spurious emissions from these terminals conforms to Section 25.202(f) of the Commission‘s rules and to the Memorandum of Understanding among the FCC, NTIA, and the FAA, thus providing sufficient protection to GPS and GLONASS. Attached hereto is a check made payable to the Federal Communications Commission for the sum of One Hundred Thirty Dollars ($130.00) to cover the fee associated with this filing. AMSC hereby certifies that no party to this application is subject to a denial of Federal benefits pursuant to Section 5301 of the Anti—Drug Abuse Act of 1988, 21 U.S.C. §853(a).

Mr. William F. Caton July 8, 1997 Page 2 Please address any questions concerning this matter to the undersigned or to Bruce Jacobs at (202) 775—3543. Very truly yours, —/\ — /"’ £ Lon C. Levin ge: Harry Ng Frank Peace Steve Sharkey

FEDERAL COMMUNICATIONS COMMISSION SATELLITE ENGINEERING BRANCH INTERNATIONAL BUREAU FILE NO: 1571—DSE—MP/L —97 ( ) SATELLITE & RADIO COM. DIVISION FEE NO: 8160441—001 CALL SIGN: E900081— SITE—ID: DATES: FILED: 07/08/1997 LOGGED: 08/26/1997 UPDATED: 09/10/1997 PUBLIC NOTICE: 09/17/1997 APPLICANT : AMSC SUBSIDIARY CORPORATION APPLICANT CODE: AMSC SITE ADDRESS: 30,000 Mobile Earth Stations CITY: COUNTY: (30,000 units) STATE: INFORMATIVE: AMSC proposes to modify its existing L—Band authorization, COORDINATES File No. 681—DSE—MP/L—95, to the extent of increasging the bandwidth of its MET ———————————————— terminal(s) from 5 kHz to 25 kHz and from full—duplex to half—duplex. LAT LONG STATUS: PL —09/17/1997— — TLB/FP INTERIM ACTION: —~o [ [ —o [ ] — — [ [ CURRENT STATION AUTHORIZATION: 179—DSE—MP/L —97 SERVICE CODES: DFS, ~FES—C—‘TR ENVIRONMENTAL ACTION: POINTS OF COMMUNICATION: AMSC—1,,,, rrgg o CONDITIONS: 2932 EIRP EIRP DEN. ASSOCIATED SPECIAL FREQUENCIES (MHz) POL EMISSION (d@Bw) (dBW/4kHz) ANTENNA(S) PROVISIONS 1. R 1530.0000— 1559.0000 C 1K20GID 2. R 1530.0000— 1559.0000 C 2K40GILID 3. R 1530,.0000— 1559.0000 C 4K80G1D 4, R 1530,.0000+ 1559.0000 C 9K60GID 5. % 1626.5000— 1660.,.5000 C 1K20GLID 14 .00 14 .00 6. T 1626.5000— 1660.5000 C 2K40GILID 17 .00 1700 7. T 1626.5000— 16§0,5000 C 4K80G1D 20 .00 20 .00 8. T 1626.5000— 1660.5000 C 9K60GID 23.00 23 .00 RECORD OF COMMISSION ACTION ( ) APPROVED ( ) DISMISSED ( ) DENIED ( ) SURRENDERED ( )APPROVED AS MODIFIED ABOVE BY ON / [ PURSUANT TO AUTHORITY DELEGATED BY COMMISSION ACTION REPORTED TO APPLICANT BY 0\ DATA ENTRY: DATE:____/____/___ REFERRED DATE /\\ /m FEES : DATE:____/____/___ REFERRED DATE: ___ APP. COMPLETE: DATE:____/____/___ REFERRED TO. DATE: / /_ TECHNICAL : DATE:____/____/___ REFERRED TO: DATE: ___/__ _/ __ LEGAL : DATE:_ ___/____/____ REFERRED TO: DATE:___/___/

UNITED STATES OF AMERICA FEDERAL COMMUNICATIONS COMMISSION RADIO STATION AUTHORIZATION ( page 1 ) *** D R A F T *** CALL SIGN: E900081 FILE NO.: 1571—DSE—MP/L—97 NAME: AMSC SUBSIDIARY CORPORATION MODIFIED CONSTRUCTION PERMIT AND LICENSE DATE OF GRANT: r COMMON CARRIER EXPIRATION DATE: JANUARY 21, 2002 NATURE OF SERVICE: DOMESTIC FIXED SATELLITE SERVICE CLASS OF STATION: FIXED EARTH STATION LATITUDE LONGITUDE LOCATION OF STATION: STATION ADDRESS: 30,000 Mobile Earth Stations ((30,000 units) County), SsUBJECT TO THE PROVISIONS OF THE COMMUNICATIONS ACT OF 1934, THE COMMUNICATIONS SATELLITE ACT OF 1962, SUBSEQUENT ACTS AND TREATIES, AND ALL PRESENT AND FUTURE REGULATIONS MADE BY THIS COMMISSION, AND FURTHER SUBJECT TO THE CONDITIONS AND REQUIREMENTS SET FORTH IN THIS PERMIT AND LICENSE, THE GRANTEE IS AUTHORIZED TO CONSTRUCT, USE AND OPERATE THE RADIO FACILITIES DESCRIBED BELOW FOR RADIO COMMUNICATIONS FOR THE TERM BEGINNING JANUARY 21, 1992 (3 A.M. EASTERN STANDARD TIME) AND ENDING JANUARY 21, 2002 (3 A.M. EASTERN STANDARD TIME). THE REQUIRED DATE OF COMPLETION OF CONSTRUCTION IS JANUARY 21, 1997. GRANTEE MUST FILE WITH THE COMMISSION A CERTIFICATION UPON COMPLETION OF CONSTRUCTION. 1. PARTICULARS OF OPERATIONS EIRP DENSITY SPECIAL PROVISIONS FREQUENCIES (MHz) EIRP (dBw/ ASSOCIATED (REFER TO FCC AND POLARIZATION EMISSION (dBW) 4kHz) ANTENNA (S) FORM 488 —A) . 1530.000— 1559.000 L,R 1K20GID o 9 m m m oz o «1 a ob W No 2o2 2 29 5o BoH x iWJ i0 W Wd W ow i . 1530.000— 1559.000 L,R 2K40GID o s 8 m o o . 1530.000— 1559.000 L,R 4K80G1D mo s s n on oo® 1530.000— 1559.000 L,R 9K60GID =o s s t — = 1626.500— 1660.500 1K20GLD 14.00 14.00 + 1626.500— 1660.500 2K40GLD 17.00 17.00 ~ + 1626.500— 1660.500 4K80G1LD 20.00 20.00 ~ 1626.500— 1660.500 9K60GID 23.00 23.00 ~ + 2. FREQUENCY COORDINATION LIMITS Satellite Arc Elevation Azimuth Max. EIRP (Deg. Long.) (Degrees) (Degrees) Density to Frequency Limits East West East West East West Horizion Associated (MHz) Limit Limit Lim. Lim. Limit Limit (dBW/4kHz) Antenna(s) 1. 1530.000— 1559.000 15.0wW—183.5W — — 2. 1626.500— 1660.500 15.0W—183.5W — — FCC Form 488

UNITED STATES OF AMERICA FEDERAL COMMUNICATIONS COMMISSION RADIO STATION AUTHORIZATION ( page 2 ) *** D R A F T *** CALL SIGN: E900081 FILE NO.: 1571—DSE—MP/L—97 RECEIVING SYSTEM NOILSE TEMPERATURE: RECEIVING SYSTEM NOISE TEMPERATURE (Continued) : 240 KELVIN AT DEGREES ELEVATION AND MHz 3. POINTS OF COMMUNICATIONS —— THE FOLLOWING SPACE STATIONS LOCATED IN THE GEO— STATIONARY SATELLITE ORBIT CONSISTENT WITH SECTIONS 1 AND 2 OF THIS LICENSE: a.— satellite(s) 4. TRANSMITTING EQUIPMENT OUTPUT UNITS MANUFACTURER MODEL NUMBER POWER—WATTS 1. 1 to be determined to be determined 20 .0 5. ANTENNA FACILITIES SITE/ELEVATION: METERS AMSL The antenna sidelobe pattern(s) do(es) not meet the requirements of Section 25.209 of FCC Rules and Regulations as amended for two degree spacing. DIAMETER MAX. ANT. HT. UNITS (Meters) FEED MANUFACTURER MODEL NUMBER (Meters) 1. 1 0 .15 OTHR to be determined TO BE DETERMINED AMSL MAX. GAIN(S): 5.0 dBi at 1.000 GHz 5.0 dBi at 1.000 GHz AGL 2. 1 0 .40 OTHR to be determined TO BE DETERMINED AMSL MAX. GAIN(S): 14.0 dBi at 1.000 GHz 14.0 dBi at 1.000 GHz AGL 6. REMOTE CONTROL POINT: CALL SIGN: LOCATION: 1233 20TH STREET, N.W., SUITE 301 WASHINGTON , DC 20036— 7. ANTENNA STRUCTURE MARKING AND LIGHTING REQUIREMENTS: NONE ATTACHED FCC FORMS 4§8—A AND 488—B (STANDARD PROVISIONS) ARE INCORPORATED INTO THIS AUTHORIZATION. SPECIAL PROVISION REFERENCE NUMBERS ARE LISTED IN SECTION 1 ABOVE; GENERAL PROVISION REFERENCE NUMBERS ARE AS FOLLOWS: (1) : 2932 FCC Form 488

FEDERAL COMMUNICATIONS COMMISSION INTERNATIONAL BUREAU / SATELLITE & RADIO COM. DIVISION EARTH STATION RF RADIATION HAZARD EVALUATION REPORT: RADHAZ3 RUN DATE: Wed Sep 10 1997 File No.: 1571—DSE—MP/L —97 Call Sign: E900081 Applicant: AMSC SUBSIDIARY CORPORATION SITE LOCATION: Street: 30,000 Mobile Earth Stations City: County: (30,000 unrnits) State: COORDINATES : TRANSMITTED EMISSIONS: 5. 1626.500— 1660.500 MHz 1K20GID 14.00 dBw 6. 1626.500— 1660.500 MHz 2K40GID 17.00 dBw 7. 1626.500— 1660.500 MHz 4K80GLID 20.00 dBw 8 . 1626.500— 1660.500 MHz 9K60GID 23.00 dBw TRANSMITTER EQUIPMENT: 1. Quantity = 1 Rated Transmitter Power = 20.0 Watts Max. Flux Density computed for: 9K60GID EIRP: 23.0 dBW at 1660.500 MHz Maximum Transmitter Equipment Power = 20.0 Watts Wavelength: 18.06685 cm, Assumed Antenna Efficiency: 0.55 ANTENNAS: Ant Dia— Gain—Band Values Used to Field Distance Flux Density No. meter (dBi—GHz) Compute Flux Density /From (Meters) (mW/em2) 1 .15m 5.0— 1.000 Ant. Gain: 5.0 dBi NEAR/Car. .0 785 .5074 5.0— 1.000 Car. Power: 18.0 dBW FAR/Car. .1 284 .3723 — Xmtr Power: 20.0 W NEAR/Xmtr 248 .989 1 — FAR/Xmtr 90 .1400 2 .40m 14.0— 1.000 Ant. Gain: 14.0 dBi NEAR/Car. .2 13 .9063 14.0— 1.000 Car. Power: 9 .0 dBW FAR/Car. .5 5.6236 — Xmtr Power: 20.0 W NEAR/Xmtr 35.0141 — FAR/Xmtr 14 .1593 Ne w she ode n nhe n nhe ns ie the nhe ns nhe se nhe n nhe oo he ho oi Hhe ie nhe ce e nhe ho e nhe mhe d e rhe e se nhe whe ie nhe me ie the o the se nhe se e nhe e ho ie ie nhe n se the nhe se e che ie se the ohe ie nhe ode e nhe se ie nhe * THE SAFE RF RADIATION LIMIT OF 5.0 mW/cm2 IS EXCEEDED BY THIS FACILITY! * No whe e nhe nhe mhe nde e nhe n he nhe e nhe nde nhe nde id ne e e nde e nhe se nde ie ie the ie o nhe rhe se e the oo e e nde e nhe td e nde ob nhe ie nhe n e the se e n se e rhe n ob ie nde se e nhe se e e e e ce ie e e ie

FEDERAL COMMUNICATIONS COMMISSION INTERNATIONAL BUREAU / SATELLITE & RADIO COM. DIVISION TRANSMITTING EARTH STATION ENGINEERING EVALUATION REPORT: ENGCHK3 RUN DATE: Wed Sep 10 1997 File No.: 1571—DSE—MP/L —97 Call Sign: E900081 Page 1 Applicant: AMSC SUBSIDIARY CORPORATION SITE LOCATION: Street: 30,000 Mobile Earth Stations APPLICATION CATEGORY City: MOBSAT — County: (30,000 units) CLASS OF STATION: FES State: COORDINATES: ANTENNAS : Ant. Diameter Quan— Antenna Gain(s) No. (meters) tity Feed Type Make Model (dBi ® GHz) 1. 0.15 1 OTHR C to be determined TO BE DETERMINED 5.0@ 1.000 5.0@ 1.000 EMISSIONS WITH THIS ANTENNA: Is EIRP <= Are Limits Meet? --------------------------- EIRP EIRP Den. Signal B.W. Applicable Antenna Den x BW Power Antenna No. Emission Frequency Band (MHz) (dBW) (dBW/4kHz) Type (kHKz) Power Limit Diam. Limit (to tenth) Limit Limit 1. 1K20G1D 1530.000— 1559.000 digital 1.20 00 2. 2K40G1D 1530.000— 1559.000 digital 2.40 00 3. 4K80G1D 1530.000— 1559.000 digital 4 .80 .00 4. 9K60G1D 1530.000— 1559.000 digital 9.60 .00 5. 1K20G1D 1626.500— 1660.500 14.00 14.00 digital 1.20 .00 6. 2K40G1D 1626.500— 1660.500 17.00 17.00 digital 2.40 00 7. 4K80G1D 1626.500— 1660.500 20.00 20.00 digital 4 .80 00 8. PK60G1D 1626.500— 1660.500 23.00 23.00 digital 9.60 00 Ant. Diameter Quan— Antenna Gain(s) No. (meters) tity Feed Type Make Model (dBi ® GHz) 2. 0.40 1 OTHR C to be determined TO BE DETERMINED 14.0@ 1.000 14.02 1.000 EMISSIONS WITH THIS ANTENNA: > Is EIRP <= Are Limits Meet? --------------------------- EIRP EIRP Den. Signal B.W. Applicable Antenna Den x BW Power Antenna No. Emission Frequency Band (MHz) (dBW) (dBW/4kHz) Type (kHz) Power Limit Diam. Limit (to tenth) Limit Limit 1K20G1D 1530.000— 1559.000 digital 20 O B N — A0 n NJ —> Co ~ OM UTLB O NJ —> 2K40G1D 1530.000— 1559.000 digital 40 . 4K80G1D 1530.000— 1559.000 digital 80 . IK60G1D 1530.000— 1559.000 digital O\ & 1K20G1D 1626.500— 1660.500 14.00 14.00 digital 2K40G1D 1626.500— 1660.500 17.00 17.00 digital 4K80G1D 1626.500— 1660.500 20.00 20.00 digital IK60G1D 1626.500— 1660.500 23.00 23.00 digital No inconsistent values identified. THIS STATIION HAS ANTENNA(S) < 1.2 METER IN DIAMETER. DOES THIS MICRO—ANTENNA HAVE A NON—CIRCULAR APERTURE?

FEDERAL COMMUNICATIONS COMMISSION INTERNATIONAL BUREAU ANTENNA DATA REPORT SEND TO: ANTENNA SURVEY BRANCH RETURN TO:; SATELLITE ENGINEERING BRANCH DATE FILED: o7/08/1997 ATTN: TLB APPLICANT: AMSC SUBSIDIARY CORPORATION ANALYSIS RECORD FILE NUMBER: 1571—DSE—MP/L —97 CALL SIGN: E900081 RECEIVED : SITE—ID : SITE LOCATION ADDR: 30,000 Mobile Earth Stations RETURNED : CoUNTY: (30,000 units) CITY/STATE: , HELD FOR FAA ACTION: COORDINATES : * * * LAT * * > LONG FAA ACTION/FILE: SITE ELEVATION: FEET COMPLETED : MAXIMUM ANTENNA HEIGHT: lst FEET (AGL) REVIEWED : 2nd FEET (AMSL) ACTION: ( ) NEW EARTH STATION ANTENNA ( ) MODIFICATION OF EXISTING EARTH STATION ANTENNA TO BE COMPLETED BY ANTENNA SURVEY BRANCH 17.7 NOTIFICATION CRITERIA (FILE NOTICE OF PROPOSED CONSTRUCTION WITH FAA ON FORM FAA—7460—1) ( ) (A) PROPOSED ANTENNA STRUCTURE EXCEEDS 200 FEET IN HEIGHT AGL ( ) (B) (1) EXCEEDS 100:1 SLOPE FOR AN AIRPORT WITH A RUNWAY OF MORE THAN 3,200 FEET IN LENGTH (EXTENDS 20,000 FEET) C (2) EXCEEDS 50:1 SLOPE FOR AN AIRPORT WITH RUNWAYS NO MORE THAN 3,200 FEET IN LENGTH (EXTENDS 10,000 FEET) ( ) (3) EXCEEDS 25:1 SLOPE FOR A HELIPORT. (EXTENDS 5,000 FEET) ( ) (C) SITE IS WITHIN AIRPORT BOUNDARY. ( ) (D) SITE IS IN INSTRUMENT APPROACH AREA AND APPEARS CRITICAL. 17 .14 EXEMPTION FROM NOTICE: ( ) (A) 20 FOOT CRITERIA ( ) (B) SHIELDING AIRPORT : ELEVATION AND LONGEST RUNWAY: ANTENNA HEIGHT ABOVE AIRPORT: DISTANCE FROM RUNWAY: FAA ACTION REQUIRED: ( ) YES OBSTRUCTION CRITERIA EXCEEDED: ( ) YES ( ) NO ( ) NO NO OBSTRUCTION MARKING REQUIRED: ( ) FAA ACTION: ( ) CLEARED ( ) DISAPPROVED MARKING REQUIRED, FORM 715 REMARKS :

FEDERAL COMMUNICATIONS COMMISSION INTERNATIONAL BUREAU ANTENNA DATA REPORT SEND TO: ANTENNA SURVEY BRANCH RETURN TO:; SATELLITE ENGINEERING BRANCH DATE FILED: o7/0o8s/1997 ATTN: TLB APPLICANT: AMSC SUBSIDIARY CORPORATION ANALYSIS RECORD FILE NUMBER: 1571—DSE—MP/L —97 CALL SIGN: E900081 RECEIVED : SITE—ID: SITE LOCATION ADDR: 30,000 Mobile Earth Stations RETURNED : COUNTY: (30,000 units) . CITY/STATE: , HELD FOR FAA ACTION: COORDINATES : * ** LAT * * * LONG FAA ACTION/FILE: SITE ELEVATION: FEET COMPLETED : MAXIMUM ANTENNA HEIGHT: lst FEET (AGL) REVIEWED : 2nd FEET (AMSL) ACTION: ( ) NEW EARTH STATION ANTENNA ( ) MODIFICATION OF EXISTING EARTH STATION ANTENNA TO BE COMPLETED BY ANTENNA SURVEY BRANCH 17.7 NOTIFICATION CRITERIA (FILE NOTICE OF PROPOSED CONSTRUCTION WITH FAA ON FORM FAA—7460—1) ( ) (A) PROPOSED ANTENNA STRUCTURE EXCEEDS 200 FEET IN HEIGHT AGL ( ) (B) (1) EXCEEDS 100:1 SLOPE FOR AN AIRPORT WITH A RUNWAY OF MORE THAN 3,200 FEET IN LENGTH (EXTENDS 20,000 FEET) C ) (2) EXCEEDS 50:1 SLOPE FOR AN AIRPORT WITH RUNWAYS NO MORE THAN 3,200 FEET IN LENGTH (EXTENDS 10,000 FEET) C (3) EXCEEDS 25:1 SLOPE FOR A HELIPORT. (EXTENDS 5,000 FEET) ( ) (C) SITE IS WITHIN AIRPORT BOUNDARY. ( ) (D) SITE IS IN INSTRUMENT APPROACH AREA AND APPEARS CRITICAL. 17 .14 EXEMPTION FROM NOTICE: ( ) (A) 20 FOOT CRITERIA ( ) (B) SHIELDING AIRPORT : ELEVATION AND LONGEST RUNWAY: ANTENNA HEIGHT ABOVE AIRPORT: DISTANCE FROM RUNWAY: FAA ACTION REQUIRED: ( ) YES OBSTRUCTION CRITERIA EXCEEDED: ( ) YES ( ) No ( ) No NO OBSTRUCTION MARKING REQUIRED: ( ) FAA ACTION: ( ) CLEARED ( ) PISAPPROVED MARKING REQUIRED, FORM 715 REMARKS :

Office of Spectrum Management October 10, 1997 TO: Steve Sharkey FROM: Jim VorhiesTV SUBJECT: STA for"Vistar‘ terminals Ref: File Number 1571—DSE—MP/L —97 Dear Steve We have reviewed AMSC‘s request for STA for up to 10 half—duplex terminals for the ~ "Vistar"‘ application. Please note that we have yet to reach agreement on the general treatment of half—duplex terminals among NTIA, AMSC, FAA and Coast Guard. We also will need to examine the out—of—band emissions of these terminals to ensure protection of GPS and GLONASS. These issues will have to be resolved prior to any authorization for use of the proposed "Vistar" terminals in the AMSC system. Taking note of the points, above we can approve the STA request for 10 terminals for testing/validation purposes.

e— § &§ ds £ q'z’l%q Vt\?gf ons & NEC* Office of Spectrum Management October 10, 1997 TO: Steve Sharkey FROM: Jim VorhiesTV SUBJECT: STA for"Vistar"‘ terminals Ref: File Number 1571—DSE—MP/L —97 Dear Steve We have reviewed AMSC‘s request for STA for up to 10 half—duplex terminals for the ~ "Vistar" application. Please note that we have yet to reach agreement on the general treatment of half—duplex terminals among NTIA, AMSC, FAA and Coast Guard. We also will need to examine the out—of—band emissions of these terminals to ensure protection of GPS and GLONASS. These issues will have to be resolved prior to any authorization for use of the proposed "Vistar" terminals in the AMSC system. Taking note of the points, above we can approve the STA request for 10 terminals for testing/validation purposes.

Office of Spectrum Management October 10, 1997 TO: Steve Sharkey FROM: Jim VorhiesTY SUBJECT: STA for"Vistar"‘ terminals Ref: File Number 1571—DSE—MP/L —97 Dear Steve We have reviewed AMSC‘s request for STA for up to 10 half—duplex terminals for the ~ "Vistar" application. Please note that we have yet to reach agreement on the general treatment of half—duplex terminals among NTIA, AMSC, FAA and Coast Guard. We also will need to examine the out—of—band emissions of these terminals to ensure protection of GPS and GLONASS. These issues will have to be resolved prior to any authorization for use of the proposed "Vistar" terminals in the AMSC system. Taking note of the points, above we can approve the STA request for 10 terminals for testing/validation purposes.

Office of Spectrum Management October 10, 1997 TO: Steve Sharkey FROM: Jim VorhiesTY SUBJECT: STA for"Vistar‘ terminals Ref: File Number 157 1—DSE—MP/L —97 Dear Steve We have reviewed AMSC‘s request for STA for up to 10 half—duplex terminals for the ~ "Vistar‘ application. Please note that we have yet to reach agreement on the general treatment of half—duplex terminals among NTIA, AMSC, FAA and Coast Guard. We also will need to examine the out—of—band emissions of these terminals to ensure protection of GPS and GLONASS. These issues will have to be resolved prior to any authorization for use of the proposed "Vistar" terminals in the AMSC system. Taking note of the points, above we can approve the STA request for 10 terminals for testing/validation purposes.


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Document Modified: 2019-04-23 03:39:03
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