08/25/2018 ***** U N C L A S S I F I E D ***** Radio Frequency Authorization This Authorization is granted pursuant to Chapter 1 Part 1.1 Section 6.i of the NTIA Manual by authority of the US National Science Foundation. This Authorization must be updated by: March 27, 2023. For continued use of this equipment, YOU MUST SUBMIT a request to your Frequency Manager by December 27, 2022. Serial Number FOI MSD BUR NET RVD AUS EXD NSF 041002 NAIC 180327 J1388820 FRQ BIN TME SPD STC Bandwidth Emission Power 1000 kHz 3 SN 200.00 kHz N0N 5 Watt(s) -24990 kHz SN 50.00 kHz P0N 10 Watt(s) XAL, XSC XRC XLA, XLG XCL XAP XAZ ARECIBO, PR SOUNDER 182114N0664511W ND XAD 00G RAL, RSC RRC RLA, RLG ACL RAP RAZ ARECIBO, PR I,NTIA-U 182114N0664511W ND RAD Remarks 00G *FRB,001000.000000,024990.000000 *FBE,002495.000000,002505.000000 *FBE,004995.000000,005005.000000 *FBE,009995.000000,010005.000000 *FBE,013360.000000,013410.000000 *FBE,014990.000000,015010.000000 *FBE,019990.000000,020010.000000 *FBE,021850.000000,021870.000000 *AGN,ARECOBO,OBSERVATORY,7878782612X245 *DOC,I6827844,6810,I7014824,7005 *DOC,I8522737,I7334375,I18025741 *DOC,I7534325 *EQT,U,IONOSONDE,PD100 *PRR,40 *AGN,CORNELL UNIVERSITY *EQT,U,CADI *POC,GLEN LANGSTON,7032924937,180206 Restrictions (NTS, *NTS, SUP) E039 - THE AUTHORIZED EMISSION BANDWIDTH SHALL BE SO LOCATED WITHIN THE BAND THAT IT DOES NOT EXTEND BEYOND THE UPPER OR LOWER LIMITS OF THE AUTHORIZED BAND SHOWN IN THE *FRB ENTRY OF CIRCUIT REMARKS. IF A PORTION(S) OF THE AUTHORIZED BAND IS TO BE EXCLUDED (*FBE) THE AUTHORIZED EMISSION BANDWIDTH MUST NOT EXTEND INTO ANY PORTION(S) OF THE EXCLUDED BAND(S). S070 - SUBJECT TO IMMEDIATE CANCELLATION UPON NOTICE FROM FCC. Supplementary Details - INADVERTENTLY EXPIRED SERIAL NSF 90051.CHANNEL PLAN 2-20MHZ WITH 50 KHZ OMITTING ALL EXCLUDED FREQUENCIES,PULSE DURATION 100 MICROSECONDS,PULSE ***** U N C L A S S I F I E D ***** 08/25/2018 ***** U N C L A S S I F I E D ***** Restrictions (NTS, *NTS, SUP) REPETITION RATE 40 PULSES PER SECOND,PULSES PER CHANNEL 8,SCAN RATE 4 SCANS PER HOUR, SCAN INTERVAL EVERY 15 MINUTES,ANTENNA TYPE VERTICALLY DIRECTIVE ANTENNA, AZIMUTH IS NON DIRECTIVE. SPECIAL HANDLING INSTRUCTIONS None. ***** U N C L A S S I F I E D ***** 08/25/2018 ***** U N C L A S S I F I E D ***** Radio Frequency Authorization This Authorization is granted pursuant to Chapter 1 Part 1.1 Section 6.i of the NTIA Manual by authority of the US National Science Foundation. This Authorization expires on: February 7, 2023. For continued use of this equipment, YOU MUST SUBMIT a request to your Frequency Manager by November 09, 2022. Serial Number FOI MSD BUR NET RVD AUS EXD NSF 130009 NAIC 180226 J1393751 230207 FRQ BIN TME SPD STC Bandwidth Emission Power 3175 kHz XR 100.00 Hz N0N 600 kW XR 50.00 kHz P0N 600 kW XAL, XSC XRC XLA, XLG XCL XAP XAZ ARECIBO, PR 182037N0664511W XAD 21G RAL, RSC RRC RLA, RLG ACL RAP RAZ ARECIBO, PR I,NTIA-U 182037N0664511W RAD Remarks 21G *EQT,C,CCP OT139FPS118 *POC,ANGEL VAZQUEZ,7878782612,130318 *EQR,U,NSF CUSTOM Restrictions (NTS, *NTS, SUP) Supplementary Details - EXPERIMENTAL HF IONOSPHERIC HEATING FACILITY USED FOR THE STUDY OF PLASMA PHYSICS IN THE EARTHS IONOSPHERE. EXPERIMENTS ARE CONDUCTED INFREQUENTLY, USUALLY A FEW TIMES PER YEAR. CHANNEL WILL BE MONITORED BEFORE TRANSMITTING TO AVOID INTERFERENCE. ANTENNA IS A 305 M DISH THAT POINTS STRAIGHT UP AT ALL TIMES. ANTENNA BEAMWIDTH LESS THAN 15 DEG. EXPERIMENTS SUPPORT IMPROVEMENTS IN SCIENCE OF RADIO PROPAGATION. SPECIAL HANDLING INSTRUCTIONS None. ***** U N C L A S S I F I E D ***** 08/25/2018 ***** U N C L A S S I F I E D ***** Radio Frequency Authorization This Authorization is granted pursuant to Chapter 1 Part 1.1 Section 6.i of the NTIA Manual by authority of the US National Science Foundation. This Authorization expires on: January 19, 2023. For continued use of this equipment, YOU MUST SUBMIT a request to your Frequency Manager by October 21, 2022. Serial Number FOI MSD BUR NET RVD AUS EXD NSF 130008 NAIC 180205 J1388468 230119 FRQ BIN TME SPD STC Bandwidth Emission Power 5100 kHz XR 100.00 kHz A0N 600 kW XR 100.00 kHz F0N 600 kW XR 100.00 kHz P0N 600 kW XAL, XSC XRC XLA, XLG XCL XAP XAZ ARECIBO, PR 182037N0664511W XAD 23G RAL, RSC RRC RLA, RLG ACL RAP RAZ ARECIBO, PR I,NTIA-U 182037N0664511W RAD Remarks 23G *EQT,C,CCP OT139FPS118 *POC,ANGEL VAZQUEZ,7878782612,130318 *EQR,U,NSF CUSTOM Restrictions (NTS, *NTS, SUP) S070 - SUBJECT TO IMMEDIATE CANCELLATION UPON NOTICE FROM FCC. Supplementary Details - EXPERIMENTAL HF IONOSPHERIC HEATING FACILITY USED FOR THE STUDY OF PLASMA PHYSICS IN THE EARTHS IONOSPHERE. EXPERIMENTS ARE CONDUCTED INFREQUENTLY, USUALLY A FEW TIMES PER YEAR. CHANNEL WILL BE MONITORED BEFORE TRANSMITTING TO AVOID INTERFERENCE. ANTENNA IS A 305 M DISH THAT POINTS STRAIGHT UP AT ALL TIMES. ANTENNA BEAMWIDTH LESS THAN 10 DEG. EXPERIMENTS SUPPORT IMPROVEMENTS IN SCIENCE OF RADIO PROPAGATION. EXPERIMENTAL HF IONOSPHERIC HEATING FACILITY USED FOR THE STUDY OF PLASMA PHYSICS IN THE EARTHS IONOSPHERE. EXPERIMENTS ARE CONDUCTED INFREQUENTLY, USUALLY A FEW TIMES PER YEAR. CHANNEL WILL BE MONITORED BEFORE TRANSMITTING TO AVOID INTERFERENCE. ANTENNA IS A 305 M DISH THAT ANTENNA BEAMWIDTH LESS THAN 15 DEG. EXPERIMENTS SUPPORT IMPROVEMENTS IN SCIENCE OF RADIO PROPAGATION. CURRENTLY POINTS AT ZENITH. WILL POINT WITHIN 45 DEG OF ZENITH ***** U N C L A S S I F I E D ***** 08/25/2018 ***** U N C L A S S I F I E D ***** SPECIAL HANDLING INSTRUCTIONS None. ***** U N C L A S S I F I E D ***** 08/25/2018 ***** U N C L A S S I F I E D ***** Radio Frequency Authorization This Authorization is granted pursuant to Chapter 1 Part 1.1 Section 6.i of the NTIA Manual by authority of the US National Science Foundation. This Authorization expires on: January 22, 2023. For continued use of this equipment, YOU MUST SUBMIT a request to your Frequency Manager by October 24, 2022. Serial Number FOI MSD BUR NET RVD AUS EXD NSF 180001 NAIC 180205 J1388469 230122 FRQ BIN TME SPD STC Bandwidth Emission Power 5130 kHz XR 100.00 kHz A3N 600 kW XR 100.00 kHz F3N 600 kW XR 100.00 kHz P3N 600 kW XAL, XSC XRC XLA, XLG XCL XAP XAZ ARECIBO, PR 182037N0664511W XAD 23G RAL, RSC RRC RLA, RLG ACL RAP RAZ ARECIBO, PR I,NTIA-U 182037N0664511W RAD Remarks 23G *EQT,C,CCP OT139FPS118 *POC,ANGEL VAZQUEZ,7878782612,130318 *EQR,U,NSF CUSTOM Restrictions (NTS, *NTS, SUP) S070 - SUBJECT TO IMMEDIATE CANCELLATION UPON NOTICE FROM FCC. Supplementary Details - EXPERIMENTAL HF IONOSPHERIC HEATER FACILITY USED FOR THE STUDY OF PLASMA PHYSICS IN THE EARTHS IONOSPHERE. EXPERIMENTS ARE CONDUCTED INFREQUENTLY, USUALLY A FEW TIMES PER YEAR. CHANNEL WILL BE MONITORED BEFORE TRANSMITTING TO AVOID INTERFERENCE. ANTENNA IS A 305 M DISH THAT ANTENNA BEAMWIDTH LESS THAN 15 DEG. EXPERIMENTS SUPPORT IMPROVEMENTS IN SCIENCE OF RADIO PROPAGATION. CURRENTLY ANTENNA ONLY POINTS STRAIGHT UP, BUT WILL POINT WITHIN 45 DEGREES OF VERTICAL. SPECIAL HANDLING INSTRUCTIONS None. ***** U N C L A S S I F I E D ***** 08/25/2018 ***** U N C L A S S I F I E D ***** Radio Frequency Authorization This Authorization is granted pursuant to Chapter 1 Part 1.1 Section 6.i of the NTIA Manual by authority of the US National Science Foundation. This Authorization expires on: February 7, 2023. For continued use of this equipment, YOU MUST SUBMIT a request to your Frequency Manager by November 09, 2022. Serial Number FOI MSD BUR NET RVD AUS EXD NSF 130007 NAIC 180226 J1393763 230207 FRQ BIN TME SPD STC Bandwidth Emission Power 8175 kHz XR 100.00 Hz N0N 600 kW XR 50.00 kHz P0N 600 kW XAL, XSC XRC XLA, XLG XCL XAP XAZ ARECIBO, PR 182037N0664511W XAD 26G RAL, RSC RRC RLA, RLG ACL RAP RAZ ARECIBO, PR I,NTIA-U 182037N0664511W RAD Remarks 26G *EQT,C,CCP OT139FPS118 *POC,ANGEL VAZQUEZ,7878782612,130318 *EQR,U,NSF CUSTOM Restrictions (NTS, *NTS, SUP) Supplementary Details - EXPERIMENTAL HF IONOSPHERIC HEATING FACILITY USED FOR THE STUDY OF PLASMA PHYSICS IN THE EARTHS IONOSPHERE. EXPERIMENTS ARE CONDUCTED INFREQUENTLY, USUALLY A FEW TIMES PER YEAR. CHANNEL WILL BE MONITORED BEFORE TRANSMITTING TO AVOID INTERFERENCE. ANTENNA IS A 305 M DISH THAT POINTS STRAIGHT UP AT ALL TIMES. ANTENNA BEAMWIDTH LESS THAN 10 DEG. EXPERIMENTS SUPPORT IMPROVEMENTS IN SCIENCE OF RADIO PROPAGATION. SPECIAL HANDLING INSTRUCTIONS None. ***** U N C L A S S I F I E D ***** 08/25/2018 ***** U N C L A S S I F I E D ***** Radio Frequency Authorization This Authorization is granted pursuant to Chapter 1 Part 1.1 Section 6.i of the NTIA Manual by authority of the US National Science Foundation. This Authorization expires on: April 27, 2020. For continued use of this equipment, YOU MUST SUBMIT a request to your Frequency Manager by January 28, 2020. Serial Number FOI MSD BUR NET RVD AUS EXD NSF 120004 NAIC 150511 J1119558 200427 FRQ BIN TME SPD STC Bandwidth Emission Power 46.8 MHz 3 XT 600.00 kHz Q9W 40 kW XAL, XSC XRC XLA, XLG XCL XAP XAZ ARECIBO, PR 182037N0664511W T T XAD 40GSPHRCLFLCT00497H0150T RAL, RSC RRC RLA, RLG ACL RAP RAZ ARECIBO, PR I,NTIA-U 182037N0664511W T T RAD Remarks 40GSPHRCLFLCT *EQT,C,TYC468 *PRR,1K *EQR,U,ARECIBO *AGN,WITHIN 20 DEGREES OF ZENITH *AGN,ARECIBO OBSERVATORY *AGN,POINT OF CONTACT IS SPECTRUM MGR *AGN,NSF,703-292-4892 *POC,SANDRA CRUZPOL,7032928820,150423 Restrictions (NTS, *NTS, SUP) Supplementary Details - RADAR FOR METEOR SCATTER SCIENCE EXPERIMENTS ANTENNA IS A 1000 FT DIAMETER SPHERICAL REFLECTOR. SPECIAL HANDLING INSTRUCTIONS None. ***** U N C L A S S I F I E D ***** 08/25/2018 ***** U N C L A S S I F I E D ***** Radio Frequency Authorization This Authorization is granted pursuant to Chapter 1 Part 1.1 Section 6.i of the NTIA Manual by authority of the US National Science Foundation. This Authorization must be updated by: December 4, 2017. For continued use of this equipment, YOU MUST SUBMIT a request to your Frequency Manager by September 05, 2017. Serial Number FOI MSD BUR NET RVD AUS EXD NSF 760016 NAIC 121204 J0876788 FRQ BIN TME SPD STC Bandwidth Emission Power 150.195 MHz 3 ML 16.00 kHz F3E 2 Watt(s) XAL, XSC XRC XLA, XLG XCL XAP XAZ ARECIBO, PR 182046N0664511W KJ 8203 XAD RAL, RSC RRC RLA, RLG ACL RAP RAZ ARECIBO, PR 182046N0664511W RAD Remarks *RAD,0002,B *NRM,00010,NET *EQT,C,MOTH23DEN *EQR,C,MOTH23DEN *AGN,ARECIBO OBSERVATORY/CORNELL UNIV *MFI,ADMINISTRATIVE Restrictions (NTS, *NTS, SUP) S145 - THIS FREQUENCY IS SUBJECT TO ADJUSTMENT UPON NOTICE FROM THE MILITARY. Supplementary Details - USED FOR PLANT MAINTENANCE. ARECIBO OBSERVATORY HAS EQUIPMENT ON THIS FREQUENCY BY ERROR. NO INTERFERENCE NOTED BECAUSE OF INTERVENING HILLS. CONVERSION FROM TEMPORARY. SPECIAL HANDLING INSTRUCTIONS None. ***** U N C L A S S I F I E D ***** 08/25/2018 ***** U N C L A S S I F I E D ***** Radio Frequency Authorization This Authorization is granted pursuant to Chapter 1 Part 1.1 Section 6.i of the NTIA Manual by authority of the US National Science Foundation. This Authorization must be updated by: August 5, 2019. For continued use of this equipment, YOU MUST SUBMIT a request to your Frequency Manager by May 07, 2019. Serial Number FOI MSD BUR NET RVD AUS EXD NSF 700016 NAIC 140805 J1019941 FRQ BIN TME SPD STC Bandwidth Emission Power 163.4875 MHz 1 ML 16.00 kHz F3E 30 Watt(s) XAL, XSC XRC XLA, XLG XCL XAP XAZ ARECIBO, PR 182046N0664511W V ND XAD RAL, RSC RRC RLA, RLG ACL RAP RAZ ARECIBO, PR I,NTIA-U 182046N0664511W V ND RAD Remarks *RAD,0024,B *NRM,00010,NET *AGN,ARECIBO OBS., NAIC *AGN,SECURITY *MFI,RDTE SUPPORT *POC,GLEN LANGSTON,7032924937,140429 Restrictions (NTS, *NTS, SUP) S145 - THIS FREQUENCY IS SUBJECT TO ADJUSTMENT UPON NOTICE FROM THE MILITARY. S399 - EFFECTIVE JANUARY 1, 2005, ANY FEDERAL OPERATION IN THE BAND 162-174 MHZ, NOT CONFORMING TO THE 12.5 KHZ CHANNEL PLAN, IS ON A NON-INTERFERENCE BASIS TO ALL OPERATIONS THAT DO CONFORM TO THE 12.5 KHZ CHANNEL PLAN IN ACCORDANCE WITH SECTION 4.3.7 OF THE NTIA MANUAL. Supplementary Details - AGENCY WILL COMPLY WITH 4.3.7 BY JANUARY 1, 2019. SPECIAL HANDLING INSTRUCTIONS None. ***** U N C L A S S I F I E D ***** 08/25/2018 ***** U N C L A S S I F I E D ***** Radio Frequency Authorization This Authorization is granted pursuant to Chapter 1 Part 1.1 Section 6.i of the NTIA Manual by authority of the US National Science Foundation. This Authorization must be updated by: August 11, 2021. For continued use of this equipment, YOU MUST SUBMIT a request to your Frequency Manager by May 13, 2021. Serial Number FOI MSD BUR NET RVD AUS EXD NSF 780062 NAIC 160811 J1088988 FRQ BIN TME SPD STC Bandwidth Emission Power 165.1125 MHz 1 FB 16.00 kHz F3E 50 Watt(s) ML 16.00 kHz F3E 10 Watt(s) XAL, XSC XRC XLA, XLG XCL XAP XAZ ARECIBO, PR NAIC 182046N0664509W KZH 814 V ND XAD 08GCOLLINEAR 00339H0015T RAL, RSC RRC RLA, RLG ACL RAP RAZ ARECIBO, PR I,NTIA-U 182046N0664509W ND RAD Remarks 00GWHIP *RAD,0032,R *NRM,00030,NAIC ELEC MAINT *DOC,I6913523 *EQS,LMS *AGN,ARECIBO OBSERVATORY,NTIA *MFI,RDTE SUPPORT *AGN,CONTROL ROOM *POC,GLEN LANGSTON,7032924937,140429 Restrictions (NTS, *NTS, SUP) S399 - EFFECTIVE JANUARY 1, 2005, ANY FEDERAL OPERATION IN THE BAND 162-174 MHZ, NOT CONFORMING TO THE 12.5 KHZ CHANNEL PLAN, IS ON A NON-INTERFERENCE BASIS TO ALL OPERATIONS THAT DO CONFORM TO THE 12.5 KHZ CHANNEL PLAN IN ACCORDANCE WITH SECTION 4.3.7 OF THE NTIA MANUAL. Supplementary Details - COMM SYSTEM FOR INTERNAL USE ONLY. POINT OF CONTACT IS SPECTRUM MANAGER ARECIBO,OBS PH 787-878-2612 X352 NSF LONG TERM ASSIGNMENT-NO INTERFERENCE EXPECTED ***** U N C L A S S I F I E D ***** 08/25/2018 ***** U N C L A S S I F I E D ***** SPECIAL HANDLING INSTRUCTIONS None. ***** U N C L A S S I F I E D ***** 08/25/2018 ***** U N C L A S S I F I E D ***** Radio Frequency Authorization This Authorization is granted pursuant to Chapter 1 Part 1.1 Section 6.i of the NTIA Manual by authority of the US National Science Foundation. This Authorization must be updated by: December 4, 2017. For continued use of this equipment, YOU MUST SUBMIT a request to your Frequency Manager by September 05, 2017. Serial Number FOI MSD BUR NET RVD AUS EXD NSF 041001 NAIC 121204 J0876800 FRQ BIN TME SPD STC Bandwidth Emission Power 167.3 MHz 1 ML 16.00 kHz F3E 25 Watt(s) XAL, XSC XRC XLA, XLG XCL XAP XAZ ARECIBO, PR VISITORC 182046N0664510W XAD RAL, RSC RRC RLA, RLG ACL RAP RAZ ARECIBO, PR 182046N0664510W RAD Remarks *AGN,POINT OF CONTACT IS SPECTRUM MGR *AGN,ARECIBO, OBSERVATORY, *AGN,PH 1-787-878-2612X 285 *RAD,0032 *NRM,00030,NET *MFI,ADMINISTRATIVE *EQS,LMS *AGN,VISITOR CENTER Restrictions (NTS, *NTS, SUP) S399 - EFFECTIVE JANUARY 1, 2005, ANY FEDERAL OPERATION IN THE BAND 162-174 MHZ, NOT CONFORMING TO THE 12.5 KHZ CHANNEL PLAN, IS ON A NON-INTERFERENCE BASIS TO ALL OPERATIONS THAT DO CONFORM TO THE 12.5 KHZ CHANNEL PLAN IN ACCORDANCE WITH SECTION 4.3.7 OF THE NTIA MANUAL. Supplementary Details - COMM SYSTEM FOR INTERNAL USE ONLY SPECIAL HANDLING INSTRUCTIONS None. ***** U N C L A S S I F I E D ***** 08/25/2018 ***** U N C L A S S I F I E D ***** Radio Frequency Authorization This Authorization is granted pursuant to Chapter 1 Part 1.1 Section 6.i of the NTIA Manual by authority of the US National Science Foundation. This Authorization expires on: April 27, 2020. For continued use of this equipment, YOU MUST SUBMIT a request to your Frequency Manager by January 28, 2020. Serial Number FOI MSD BUR NET RVD AUS EXD NSF 120003 NAIC 150511 J1119602 200427 FRQ BIN TME SPD STC Bandwidth Emission Power 430 MHz 3 XT 600.00 kHz Q9W 2.5 MW XAL, XSC XRC XLA, XLG XCL XAP XAZ ARECIBO, PR 182037N0664511W T T XAD 62GSPHRCLFLCT00497H0150T RAL, RSC RRC RLA, RLG ACL RAP RAZ ARECIBO, PR I,NTIA-U 182037N0664511W T T RAD Remarks 40GSPHRCLFLCT *EQT,U,STANFORD *PRR,1K *EQR,U,ARECIBO *AGN,WITHIN 20 DEGREES OF ZENITH *AGN,ARECIBO OBSERVATORY *AGN,SITE PT OF CONTACT IS ANGEL VAZQUEZ *AGN,ANGEL(A)NAIC.EDU *POC,SPECTRUM MANAGER,7032928820,150423 Restrictions (NTS, *NTS, SUP) Supplementary Details - RADAR FOR IONOSPHERIC SCIENCE EXPERIMENTS ANTENNA IS A 1000 FT DIAMETER SPHERICAL REFLECTER. SPECIAL HANDLING INSTRUCTIONS None. ***** U N C L A S S I F I E D ***** 08/25/2018 ***** U N C L A S S I F I E D ***** Radio Frequency Authorization This Authorization is granted pursuant to Chapter 1 Part 1.1 Section 6.i of the NTIA Manual by authority of the US National Science Foundation. This Authorization must be updated by: March 8, 2015. For continued use of this equipment, YOU MUST SUBMIT a request to your Frequency Manager by December 08, 2014. Serial Number FOI MSD BUR NET RVD AUS EXD NSF 000090 NAIC 100308 J0614204 FRQ BIN TME SPD STC Bandwidth Emission Power 2380 MHz 3 LR 20.00 MHz G9W 1 MW LR 20.00 MHz P0N 30 kW XAL, XSC XRC XLA, XLG XCL XAP XAZ ARECIBO, PR 182046N0664510W T T XAD 76GSPHRCLFLCT00496H0150T RAL, RSC RRC RLA, RLG ACL RAP RAZ ARECIBO, PR ARECIBO 182046N0664510W T T RAD Remarks 76GSPHRCLFLCT00496H0150T *EQT,C,CON719A *EQR,C,CON719A *AGN,WITHIN 20 DEGREES OF ZENITH *AGN,CORNELL UNIV *NTS,M002,IRAC,28393 *AGN,POINT OF CONTACT IS SPECTRUM MGR *AGN,ARECIBO,OBS,PH 809-878-2612 Restrictions (NTS, *NTS, SUP) M002,IRAC,28393 - THIS ASSIGNMENT WAS COORDINATED WITH IRAC OR NTIA, AND/OR IS SUBJECT TO THE CONDITIONS STATED IN THE LETTER, THE IRAC DOCUMENT, THE FAS DOCKET, OR THE FCC REGULATION REFERENCED IN THE CIRCUIT REMARKS FIELD (*NTS). Supplementary Details - RADAR FOR OF OBJECTS BEYOND DISTANCE OF MOON, BROADEST EMISSION CONTINUOUS WAVE, PHASE MODULATION, PSEUDO-RANDOM WITH REVERSALS PERMITTING PULSES WIDTHS DOWN TO 1 MS. NO DATA TRANSMITTED. NO PHASE MODULATION, RADAR. FORMER NSF 910004 INADVERTENTLY EXPIRED SEPTEMBER 11,2000. AFTRCC COORD NOT REQUIRED BECAUSE OUTSIDE CONUS ***** U N C L A S S I F I E D ***** 08/25/2018 ***** U N C L A S S I F I E D ***** SPECIAL HANDLING INSTRUCTIONS None. ***** U N C L A S S I F I E D ***** 08/25/2018 ***** U N C L A S S I F I E D ***** Radio Frequency Authorization This Authorization is granted pursuant to Chapter 1 Part 1.1 Section 6.i of the NTIA Manual by authority of the US National Science Foundation. This Authorization must be updated by: December 4, 2017. For continued use of this equipment, YOU MUST SUBMIT a request to your Frequency Manager by September 05, 2017. Serial Number FOI MSD BUR NET RVD AUS EXD NSF 041003 NAIC 121204 J0876836 FRQ BIN TME SPD STC Bandwidth Emission Power 9375 MHz LR 4.00 MHz P0N 40 kW XAL, XSC XRC XLA, XLG XCL XAP XAZ ARECIBO, PR NAICAO 182046N0664511W H XAD 35GPARABOLIC 00335H0006T RAL, RSC RRC RLA, RLG ACL RAP RAZ ARECIBO, PR 182046N0664511W H RAD Remarks 35GPARABOLIC *AGN,CORNELL UNIVERSITY *AGN,ARECIBO,OBSER,PH 1-787-878-2612X352 *EQT,C,SPR MODEL MK II *EQR,C,SPR MODEL MK II1 *PRR,1K Restrictions (NTS, *NTS, SUP) Supplementary Details - ARECIBO OBSERVATORY, PR, TO BE USED FOR AIRCRAFT SURVEILLANCE, LASER EMMISION WITHIN 45 DEGS OF VERTICAL SUP03 DIRECTION RADAR IS USED WHILE LASER OR LIDAR IS OPERATIONAL TO DETECT AIRCRAFT ENTERING OBSERVATORY AIRSPACE. THE RADAR SHUTS DOWN THE LIDAR WHILE AN AIRCRAFT PASSES BY. SYSTEM HAS BEEN OPERATIONAL SINCE MARCH 1990 SPECIAL HANDLING INSTRUCTIONS None. ***** U N C L A S S I F I E D ***** 08/25/2018 ***** U N C L A S S I F I E D ***** Radio Frequency Authorization This Authorization is granted pursuant to Chapter 1 Part 1.1 Section 6.i of the NTIA Manual by authority of the US National Science Foundation. This Authorization must be updated by: February 10, 2019. For continued use of this equipment, YOU MUST SUBMIT a request to your Frequency Manager by November 12, 2018. Serial Number FOI MSD BUR NET RVD AUS EXD NSF 140001 NAIC 140210 J0988409 FRQ BIN TME SPD STC Bandwidth Emission Power 9410 MHz LR 4.00 MHz P0N 40 kW LR 4.00 MHz P0N 3 kW XAL, XSC XRC XLA, XLG XCL XAP XAZ ARECIBO, PR NAICAO 182046N0664511W H R XAD 35GSLOTTDWVGD00335H0006T RAL, RSC RRC RLA, RLG ACL RAP RAZ ARECIBO, PR I,NTIA-U 182046N0664511W H RAD Remarks 35GSLOTTDWVGD *EQT,C,FUR 1761 *PRR,2.1K/1.2K/600 *POC,ANGEL VASQUEZ,7878782612,140107 *EQR,C,FUR 1761 *AGN,ARECIBO,OBSER,PH 1-787-878-2612X352 Restrictions (NTS, *NTS, SUP) Supplementary Details - ARECIBO OBSERVATORY, PR, TO BE USED FOR AIRCRAFT SURVEILLANCE, LASER EMMISION WITHIN 45 DEGS OF VERTICAL SUP03 DIRECTION RADAR IS USED WHILE LASER OR LIDAR IS OPERATIONAL TO DETECT AIRCRAFT ENTERING OBSERVATORY AIRSPACE. THE RADAR SHUTS DOWN THE LIDAR WHILE AN AIRCRAFT PASSES BY. SYSTEM HAS BEEN OPERATIONAL SINCE MARCH 1990 SPECIAL HANDLING INSTRUCTIONS None. ***** U N C L A S S I F I E D *****