Meteorological Satellite Frequencies

Last update : 17 May 2009 - GOES-O, NPP, METOP-B & C, NPOESS-C1, 2, 3 & 4 launch dates

MTSAT 1R GOES-N series NOAA TERRA
FY-2C&D GOES-R Series FY1
AQUA
GMS 5 METEOSAT 5, 6 & 7 FY-3 AURA
SMS/GOES 1-3
 MSG-1 METEOR NPP
GOES 4-7 ELEKTRO DMSP
NPOESS
GOES 8-12 COMS METOP-1, -2 & -3

Status of current and planned meteorological satellites - WMO/CGMS

MTSAT-1R Operational at 140° East, launched 26/2/2005
MTSAT-2  Standby at 145° East, launched 18/2/2006
Service Downlink (MHz) EIRP (+dBm) Uplink (MHz) Modulation Notes
DCPI-1 Spare
DCPI-2 Common
DCPI-3 Regional
468.875
468.883
468.924

44.0
2034.925
2034.933
2034.974

PCM/BiØ-­L/PSK

DCP Interrogation, 100 bps, ±60° MI
IMAGER 1677.0 3W
PCM/QPSK 2.62 Mbps
HiRID*
1687.1 55.0 2029.1 PCM/NRZ-M/BPSK
660 kbps
HRIT 1687.1 55.0 2029.1 PCM/NRZ-M/QPSK 3.5 Msps, 50% RRC
WEFAX* 1691.0 53.5 2033.0 AM/FM 2.4kHz SC, ΔF±126kHz, 260kHz BW
LRIT 1691.0 53.5 2033.0 PCM/NRZ-M/BPSK 150 ksps, 50% RRC
DCPR 1694.3-1694.7
402.0-402.4 PCM/PSK 33 international+100 regional chs @ 3kHz
CMD

2034.20 PCM(NRZ-L)/BPSK/PM 250 bps BPSK on 16 kHz SC, PM MI 1.0
TLM 1694.0 37.5 ±0.5
PCM/BiØ-L/PM 4800 bps TDM, ±60° MI.
8 bits/word, 256 word/minor frame,
32 minor frames/major frame.
Minor frame sync FAF320 hex, MSB first
USB CMD

2100.162

USB TLM 2280.721 27.5


Ku CMD

13.75-14.5 GHz

Ku TLM 10.7-12.75 GHz



MSAS GIC
PRN 129 and 137
1575.42
11.69792 GHz
43.0
13.75792 GHz
BPSK
GNSS Intergrity Channel 250 bps R½ FEC
GIC Ku Feeder
CNS/ATM 1545-1555
1646.5-1656.5
AMSS R,T,C & P AES<->S/C
Ku link 10.7-12.75 GHz
13.75-14.5 GHz
AMSS feeder & GES<->GMS/MRS
Ka link 17.7-21.20 GHz
27-31 GHz
AMSS feeder & GES<->GMS/MRS
MTSAT Technical Information
MTSAT Transponder Plan
*MTSAT HiRID and WEFAX services ceased on 12 March 2008

Feng Yun 2 series
FY-2 destroyed in fuelling accident before launch, 4 April 1994
FY-2A launched 10 June 1997, DBA failure April 1998, re-orbited April 2000
FY-2B launched 25 June 2000, reduced EIRP October 2001, re-orbited October 2004
FY-2C launched 19 October 2004, operational at  105° East
FY-2D launched 8 December 2006, operational at 86.5° East
FY-2E launched 23 December 2008, in-orbit testing at 123.5° East
FY-2F 2011
FY-2G 2013
Service Downlink (MHz) EIRP (+dBm) Uplink (MHz) Modulation Notes
DCPI 468.860
468.866

2062.860
2062.866
PCM/PSK/PM
PCM/PSK/PM
DCP Interrogation
VISSR 1681.6

QPSK 14 Mbps
TARS 1 1684.5
2044.5 AM/PM  
TARS 2 1686.5
2046.5 AM/PM  
SV 1687.5 57 2047.5 PCM/NRZ-M/BPSK 660 kbps
MRS 1690.5
2050.5 AM/PM  
LRIT 1691.0 57 2051.0 CCSDS/NRZ-M/BPSK 150 kSps
CMD

2057.0 PCM/FSK-AM/FM  
TLM 1702.5 42
PCM/DPSK
FM/PM
FSK/PM
32kHZ SCO,PCM tlm, 2000 bps NRZ-M, BPSK
75 kHz SCO - Sun Pulse
162-168 kHz SCO - Real Time Telemetry
DCPR Regional
DCPR Common
1709.0-1709.4
1709.9-1710.0

401.1-401.5
402.0-402.1
PCM/PSK
PCM/PSK
165 ch @ 3kHz
 33 ch @ 3kHz
S band CMD


2095.08
2108.34
2099.50


S band TLM
2275.20
2289.50
2280.00




C band TLM 4169.88
4192.02


PM
PM
 
C Band CMD

5926.00
5964.88
FM
FM


GMS series
GMS   Launched 14 July 1977
GMS-2 Launched 11 August 1981
GMS-3 Launched 3 August 1984
GMS-4 Launched 6 September 1989
GMS-5 Launched 21 March 1995, decommissioned 21 July 2005
Service
Downlink (MHz)
EIRP (+dBm)
Downlink (MHz)
Modulation
Notes
DCPI Spare
DCPI Common
DCPI Regional
468.875
468.883
468.924

46.0
2034.925
2034.933
2034.974

PCM/PSK

100 bps
VISSR 1681.6 56.5
QPSK 14 Mbps
MRS 1684.0 44.0 2026.0 AM/PM 200 KHz
SV 1687.1 56.5 2029.1 BPSK 660 Kbps
TARS 1 1688.2
2030.2 AM/PM 200 KHz
TARS 2 1690.2
2032.2 AM/PM 200 KHz
WEFAX 1691.0 56.5 2033.0 AM/FM 260kHz bandwidth
CMD

2034.2 PCM/FSK-AM/PM 128 bps
TLM 1694.0 40.0
PCM/PSK/PM,FM/PM,FSK/PM 250 bps
DCP Common
DCP Regional
1694.3-1694.4
1694.4-1694.7
34.0
34.0
402.0-402.1
402.1-402.4
PCM/PSK
PCM/PSK
 33 ch @ 3kHz
100 ch @ 3kHz
SAR 1698.35 34.0 406.01-406.09 PCM/PSK  
USB CMD

2100.164 PCM/FSK-AM/PM  
USB RNG 2280.721 27.5 2100.164 AM/PM  
USB TLM 2280.721 27.5
PCM/PSK/PM,FM/PM,FSK/PM  
 
SMS series (Built by Philco-Ford with electronically despun antennas)
SMS-1  (SMS-A)  Launched 17 May 1974, deactivated 21 January 1981
SMS-2  (SMS-B)  Launched  6 February 1975, deactivated 5 August 1981
GOES-1 (GOES-A) Launched 16 October 1975, deactivated 3 February 1985
GOES-2 (GOES-B) Launched 16 June 1977, deactivated 26 January 1979, used by NSF from 1995 to May 2001
GOES-3 (GOES-C) Launched 10 June 1978, deactivated 5 March 1981, now used by NSF for Antarctic comms at 102°W
Service Downlink (MHz) EIRP (+dBm) Uplink (MHz) Modulation Notes
DCP Interrogate
468.825
43.9
2034.9
PCM/PSK 100 bps, Coded Address and Timecode
VISSR 1681.6 58.8

QPSK Mode 1 28 Mbps 8 ½ nm Vis + 2 IR
Mode 2 14 Mbps 4 1 nm Vis + 2 IR
Stretched VISSR
1687.1 57.3
2029.1 BPSK Mode A ½ nm Vis 1.75 Mbps, IR 525 kbps
Mode B 1 nm Vis  437 kbps, IR 525 kbps
Mode C 4 nm Vis  33.3 kbps, IR 525 kbps
Mode D 4x2nm 525kbps+4x4 nm IR only 33.3k
WEFAX 1691.0 57.3
2033.0 AM/FM Video fmax 1.6kHz, AM Subcarrier 2.4 khz,
FM deviation (ΔF) ±26kHz, IF BW 60 kHz
Ranging
1684.0
1688.2
1690.2

2026.0
2030.2
2032.2
AM/PM
TRRR MRS at CDAS, Wallops Island, Va.
TARSs at Ascension Island, Santiago, Ouha, Hawaii & Seattle.
136.38

148.56

NASA STADAN VHF GRARR
Command     2034.2 PCM/FSK-AM/PM Three tone, modified OGO encoder


148.56
PCM/FSK-AM/PM
Telemetry 1694.0 44.9

  PCM/BiØ-M/PM
FM/PM


FSK/PM
PCM: 64 9-bits word at 188 bps
IRIG-B: Sun Pulse and Angle, command execute verfication, selected earth sensor
Gated 70 kHz Sun Pulse
136.38
8W  normal
2W  eclipse

PCM/BiØ-M/PM
FM/PM

FM/PM

PCM: 64 9-bits word at 188 bps
IRIG-12: Nutation sensor, Thruster valve activation, ABM ignition verfication
IRIG-B: Sun Pulse and Angle, command execute verfication, selected earth sensor
DCP Report 1694.5
 17.1/ch 401.90
PCM/PSK 33 3kHz & 200 1.5kHz DCP channels over ± 200 kHz band
Synchronous Meteorological Satellite System Description Document, Volumes 1 & 2, NASA GSFC, Oct 1971
Central Processing and Analysis of Geostaionary Satellite Data, NOAA TM NESS 64, March 1975

GOES D-H series (Built by Hughes with mechanically de-spun S-band and UHF antennas)

GOES-4 (GOES-D) Launched 9 September 1980, deactived 26 November 1982
GOES-5 (GOES-E) Launched 22 May 1981, deactivated 30 July 1984
GOES-6 (GOES-F) Launched 28 April 1983, deactivated 21 January 1986
GOES-G          Launch failure 3 May 1986
GOES-7 (GOES-H) Launched 26 Feb 1987, decommissioned 11 Jan 1996 now used by PEACESAT at 175°W
Service Downlink (MHz) EIRP (+dBm) Uplink (MHz) Modulation Notes
DCPI Spare
DCPI (GOES-W)
DCPI (GOES-E)
468.8125
468.8250
468.8375

2034.8625
2034.8750
2034.8875

PCM/PSK
 
SAR


406


VAS 1681.6

QPSK 28/14 Mbps
MRS 1684.0
2026.0 AM/PM  
TARS 1 1688.2
2030.2 AM/PM  
TARS 2 1690.2
2032.2 AM/PM  
Stretched VAS 1687.1
2029.1 BPSK Mode AA 8x6b Vis + 2x10b IR @ 1.75 Mbps
Mode AAA 11 blocks @ 2.11 Mbps
WEFAX 1691.0
2033.0 AM/FM  
CMD     2034.2    
TLM 1694.0        
DCP Common 1694.3-1694.4   402.0-402.1 PCM/PSK 33 ch @ 3 kHz
DCP Regional 1694.4-1694.7   402.1-402.4 PCM/PSK 200 ch @ 1.5 kHz

GOES I-M series (Space Systems Loral, three axis stabilized)

GOES-8  (GOES-I) Launched 13 April 1994, decommissioned  5 May  2004
GOES-9
  (GOES-J) Launched 23 May 1995, decommissioned 14 June 2007
GOES-10 (GOES-K) Launched 25 April 1997, currently GOES-South America at 60° West
GOES-11 (GOES-L) Launched 3 May 2000, currently GOES-West at 135° West
GOES-12 (GOES-M) Launched 23 July 2001, currently GOES-East at 75° West

Service Downlink (MHz) EIRP (+dBm) Uplink Modulation Notes
DCPI (Spare)
DCPI (GOES-W)
DCPI (GOES-E)
468.8125
468.8250
468.8375

45.4 RHCP
2034.8875
2034.9000
2034.9125

PCM/SP-C/PSK
100 bps Interrogation
Time Code ceased 31/7/2005
SAR 1544.5 45.4 RHCP
406.025 & .050 PCM/PSK 400 bps
SENSOR DATA 1676.0 47.3 Lin
  NRZ-S/UAQPSK
I:Q = 6 dB
I : Imager 2.62 Mbps
Q : Sounder 40 Kbps
MDL 1681.48 45.2 Lin
  NRZ-S/UAQPSK
I:Q = 6 dB
(GOES-I & K) I : ADM 32 kbps TDM
(GOES-M onwards) Q : SXI 100 kbps CCSDS
PDR
1685.7 54.9 Lin
2027.7 PCM/NRZ-S/BPSK GVAR 12 blocks @ 2.11 Mbps
EMWIN 1690.6 44.4 Lin
2032.6 AFSK 1200 bps (dis-continued)
EMWIN-I 1690.725 44.4 Lin
2032.725 BPSK 9600 bps FEC
LRIT
1691.0
48.2 Lin
2033.0
PCM/NRZ-L/BPSK
293 ksps, encoded CADUs at 128 kbps
WEFAX
1691.0 54.4 Lin
2033.0 AM/FM 26 kHz IF BW (WEFAX ceased Oct 2005)
CMD     2034.2 PCM/BPSK/PM  250 bps PSK on 16 kHz sc
TLM 1694.0 28.9 Lin
  PCM/BiØ-­L/PM 2000 bps
±60°PM mod index 1 rad
8 bits/word; 128 word/minor frame
Minor frame sync FAF320 hex, MSB first
DCPR Pilot
DCPR Band 1
DCPR Band 2
1694.45
1694.5 to
1694.8
33.7 RHCP
401.85
401.9 to
402.2

AFC reference for DCP demodulation
233 ch 100 bps PCM/PSK
DSN-A Normal
DSN-B Dwell
2209.086
2208.586
24.5 RHCP
24.5 RHCP
 
2000 bps PCM/BiØ-­L/BPSK/PM on 1.024 MHz SC
DSN ranging 2209.086 17.2 2034.2   PM ranging tones

GOES N,O,P series (Boeing, three axis stabalized)

GOES-13 (GOES-N) Launched 24 May 2006. In Orbit Spare at 105° West.
GOES-O (June 2009)
GOES-P (April 2010)
Service
Downlink (MHz)
EIRP (+dBm)
Uplink
Modulation
Notes
DCPI
468.8125
468.8250
468.8375
45.5
RHCP
2034.8875
2034.9000
2034.9125

PCM/SP-C/PSK
100 bps Interrogation
±60° PSK
SAR
1544.5
45
RHCP
406.050
406.025
PCM/BiØ-L/PM
400 bps 1.1±0.1 MI
Sensor Data
1676.0
?
Linear NS

QPSK
4:1
Imager 2.62 Mbps
Sounder 40 kbps
MDL
1681.478
?
Linear NS

QPSK
SXI
ADS
PDR
1685.7
?
Linear NS

BPSK
2.11 Mbps GVAR
EMWIN-N
1692.7
44.8 Linear
2034.7
PCM/NRZ-L/OQPSK
35940 ksps, 19200 bps CCSDS coding
LRIT
1691.0
?
Linear NS

PCM/NRZ-M/BPSK
293 kbps coded
CDA Command


2034.2
PCM/NRZ-L/BPSK/PM
2000 bps 16 khz subcarrier, 1 rad PM
CDA Telemetry
1694.0
?
Linear NS

PCM/BiØ-­L/PM 4000 bps operational
1000 bps contingentcy
DCPR
domestic
international

1694.5
1694.8
46
Linear NS
401.9±0.2
402.2±0.2
100 bps - ±60° PSK
300 bps - 8PSK
1200 bps - 8PSK
1.5 kHz channel - 100 and 300 bps
3.0 kHz channels  - 1200 bps
DSN Telemetry
2209.086
?
Omni

PCM/BiØ-L/BPSK/PM
4000 bps operational
1000 bps contingentcy
1024 kHz subcarrier
1 rad PM MI
DSN Ranging
2209.086

2034.2

Phase Coherent ratio of 240/221
DSN Command


2034.2
PCM/NRZ-L/BPSK/PM 2000 bps 16 khz subcarrier, 1 rad PM

COMS - Korean Communication, Ocean and Meteorological Satellite
COMS-1 2009 at 116.2° or 128.2° East
COMS-2 2014
Service Downlink
EIRP Uplink Modulation Notes
Meteorological Imager (MI)
1687 MHz



5 Channel (Vis, SWIR, WV, IR1, IR2)
10 bit data
Vis - 1 km resolution
IR - 4 km resolution
Full earth disk coverage in 25 mins
Geostationary Ocean Colour Imager (GOCI)
1687 MHz


8 vis channels, 412-865 nm,
11 bit data
Spatial resolution 500 x 500 m
Coverage- 2500 x 2500 km, centred on Korea
8 observations/day
Ka-band Transponder 18.3-20.7 GHz 58 dBW EOC 27.5-30.8 GHz
3 x 0.6° spot beams over Korea and China
4 x 100 MHz BW channels






HRIT 1695.400 MHz
2040.900 MHz

Processed Data
LRIT 1692.140 MHz
2037.640 MHz
Processed Data






Telemetry
2271.600 MHz


CCSDS TM
Command


2091.765 MHz
CCSDS TC
Ranging
2271.600 MHz
2091.765 MHz Coherent PM
ESA Tone Range, FDown/FUp ratio = 240/221


GOES-R series. (December 2014)
Service
Downlink (MHz)
EIRP (+dBm)
Uplink (MHz)
Modulation
Notes
DCPI (Spare)
DCPI (GOES-E)
DCPI (GOES-W)
468.8125
468.8250
468.8375
43
RHCP
2034.8125
2034.8250
2034.8375
BPSK
2400 bps
SAR
1544.5

406


GRB
GOES ReBroadcast
1690.2
?
Dual circular polarization
7512.5
GMSK
17 to 24 Mbps
Bandwidth 12 MHz
EMWIN
1695.7
43 Linear
2037.7
NRZ-L/OQPSK
256 bps R1/2 RS (255,233, 4)
LRIT
1696.4
Linear NS
2048.2
NRZ-M/QPSK
585 ksps, 256 kbps
DCPR
1697.5
1697.8
Linear NS
401.9
402.2
8PSK
300 or 1200 bps, Trellis coded
Telemetry
L-band
1672.0
1673.0


NRZ-M
32 kbps - on orbit mode
4 kbps - safe hold made
FEC Rate 7/8 and RS (252, 220, 4)
USB Telemetry

2209.086


NRZ-L/BPSK/PM
32 kbps - on orbit mode
4 kbps - safe hold mode
FEC R7/8, RS(252,220,4)
BPSK on 1024 kHz sub-carrier
PM MI 1 radian
USB Command



Linear NS
2034.2
NRZ-L/BPSK/PM
1000 bps - safe hold mode
32 kbps - on-orbit mode
?? Kbps - ABI/HES memory upload
CLTU 64 bit 56 data + 8 bit BCH FEC
BPSK on 16 kHz sub-carrier
USB Ranging
2209.086

2034.2

221/240 frequency ratio

ELEKTRO N1 (GOMS) Launched 31 October 1994, decommissioned at 76.5° East
Service Downlink (MHz)
EIRP Uplink Modulation Notes
STR+HGI (raw) 1685.0 & 7465.0


2.56 Mbps
WEFAX 1691.0
2115 & 8155
AM/FM or 1200 bps
DCPR 1697.0 & 7482.0
401-403
100 bps 33 int/100 reg
DCPI 469
2119

RPC 7465.0
8190
0.96 Mbps

METEOSAT series
Meteosat-5 63° E
Meteosat-6 10° W
Meteosat-7 57° E
Service Downlink (MHz)
EIRP Uplink Modulation Notes
DCPI Common
DCPI Regional
468.875
468.925

2097.975
2098.025


RAW 1686.33     2.7 Mbps PCM(SPL)/PM  
WEFAX 1691.0
1694.5

2101.5
2105.0
AM/FM
AM/FM

HR DIGITAL (A1)
HR DIGITAL (A2)
1691.0
1694.5
+50.5
+49.0
2101.5
2105.0
166 Kbps PCM(SPL)/PM
166 Kbps PCM(SPL)/PM

MDD CH 1
MDD CH 2
MDD CH 3
MDD CH 4
1695.6438
1695.7250
1695.7562
1695.7874


PCM/PM/SPL
PCM/PM/SPL
PCM/PM/SPL
PCM/PM/SPL

DCPR Common
DCPR Regional
1675.18-1675.28
1675.28-1675.38
  402.0-402.1
402.1-402.2
PCM/PSK 33 ch @ 3 kHz
PCM/PSK 33 ch @ 3 kHz
 
CMD     2098.0 PSK/AM/FM  
TLM 1675.929
1676.180
    PSK/PM  
RNG 1691.0
1694.5
  2242.6    

MSG (Meteosat Second Generation)
Meteosat-8 Launched 28/08/2002
Meteosat-9 Launched 21/12/2005
Meteosat-10 ?
Service Downlink EIRP Uplink Modulation Notes
DCPI Common
DCPI Regional
468.875
468.925

2097.975
2098.025

TBC
TBC
SEVIRI & GERB 1686.33

PCM/SPL/PM 3.2 Mbps
HRIT 1695.15 +49.4 2106.0 PCM/NRZ-L/QPSK 2.24 Mbps
LRIT 1691.00 +46.7 2101.5 PCM/NRZ-L/BPSK 290 Kbps
DCPR Common
DCPR Regional
1675.18-1675.28
1675.28-1675.38

402.0-402.1
402.1-402.2
PCM/PSK
PCM/PSK
33 ch @ 3 KHz TBC
33 ch @ 3 KHz TBC
CMD

2098.0
2242.6
PSK/AM/FM TBC
TLM 1675.929
1676.180
    PSK/PM TBC
RNG 1691.0
1694.5



TBC
The LRIT and HRIT service include the MDD and DC&R service
The LRIT and HRIT services are not operational on Meteosat-8 due to SSPA failures - Replaced by EUMETSATCast

Polar Meteorological Satellite Frequencies

DMSP Operational Scanline System (OLS) + up to 12 Special Sensors
Uplink 1791.749 MHz (TT&C command uplink) SGLS channel 8 , 256:205 coherent phase ratio with EST downlink
Downlinks 2207.5 MHz
2222.5 MHz
2237.5 MHz EST
2252.5 MHz
2267.5 MHz
400.328 MHz RDS service only
400.822 MHz RDS service only
Services All services are encrypted but RTD transmitted in the clear south of 60 degress South latitude.
SDF, SDS and EST are transmitted only when over CRS.

RTD (Real Time Data) 1.024 Mbps BPSK one channel fine (0.3 nm) and one channel smooth (1.5 nm)
RDS (Realtime Data Smooth) 177.5 kbps BPSK Thermal and Light Smooth data Rate 1/2 Convolution Encoded
SDF (Stored Data, Fine) 1.3312 Mbps Limited storage for tactical use
SDS (Stored Data, Fine) 2.6624 Mbps Multi-orbit strategic global storage Transmitted as RDS
EST (Equipment Status Telemetry) 2, 10 or 60 kbps PSK

FY-1 A & B CHRPT - 1695.50 or 1704.50 MHz
APT - 137.035 or 137.795 MHz
FY-1 C & D CHRPT - 1700.4 and 1704.5 MHz at +39.4 dBm RHCP (10 channels at 1.3308 Mbps)Global coverage
CDPT - Delayed Picture Transmission 4 channels at 4 km res on 1708.5 and 1695.5 MHz (Over China only)
APT not available from FY-1C or D
FY-1C destroyed by a anti-satellite missle test in Jan 2007

FY-3 series
FY-3A launched 27 May 2008
FY-3B 2010, FY-3C 2013, FY-3D 2015, FY-3E 2017, FY-3F 2019, FY-3G 2021
Service Downlink EIRP Uplink Modulation Notes
HRPT
High Resolution Picture Transmission
Global coverage
1704.5 41 dBm

QPSK
2.8 Msym/sec
4.2 Mbps R3/4 CCSDS
MPT
Mission Picture Transmission
Program controlled coverage
Transparent or Encrypted modes
7775
46 dBm

QPSK
18.7 Mbps R1/2 CCSDS
DPT
Delayed Picture Transmission
Over China only
8145.95


QPSK
93 Mbps. R 3/4 Replayed of stored orbit data
Command 2025-2110




Telemetry

2200-2290


Ranging 2025-2110
2200-2290

Reference: Aijun Zhu, NMSC CMA, 2006 Direct Broadcast Meeting, Poster

Meteor 2-21
Resurs O1-N4
Meteor 3-5
VIS APT only on 137.15, 137.30, 137.40 or 137.85 MHz
None of these spacecraft are currently operating

NOAA-D (12)
NOAA-I (13) NOAA Failure Report
NOAA-J (14)
NOAA-KLM(15,16,17)
NOAA-N & N' (18 and 19)
Downlinks

Current Future
TELEMETRY
Beacon
136.77
137.77
137.35 from NOAA-15
137.77
APT 137.50
137.62
137.1000 from NOAA-18
137.9125 from NOAA-18
ADCS TXU - DCP command or
interrogate transmitter

465.9875 on NOAA-N'

HRPT 1698.0 up to NOAA-N'
1707.0 up to NOAA-N'
1700.0 from NPOESS
1706.5 from NPOESS
LAC/GAC 1698.0 up to NOAA-N'
1702.5 up to NOAA-N'
1707.0 up to NOAA-N'
1700.0 from NPOESS
7450-8400 from NPOESS
1706.5 from NPOESS
SAR 1544.5  
TELEMETRY
BOOST
2247.5 (from NOAA-15)
Launch boost phase telemetry transmission from TIP at 16.64 Kbps

Uplinks
COMMAND 148.56 (to N-14)
1000 bps Ternary FSK/AM (8, 10 & 12 KHz subcarriers)
2026.0 (from NOAA-15)
DCS 401.65  
SARR 121.5, 243.0 & 406.05  Only 406 MHz supported
SARP 406.025  from 1 Februay 2009

METOP series.
METOP-A Launched 19 October 2006
METOP-B (April 2011)
METOP-C (October 2016)
AHRPT
Convolutional coding
Modulation
RF Bandwidth
RF Symbol Rate
Bit Rate
RF frequency
R=3/4, k=7, no G.2 path symbol inversion
QPSK, Gray code
4.5 MHz
2.33 MSymbols per second
3.5 Mbps at CVCDU level
1701.3000 MHz(Primary)& 1707.0 MHz(Secondary)
LRPT Convolutional coding
Differential coding interleaving
Modulation
RF Symbol Rate
RF Bandwidth
Bit Rate
RF frequency
R=1/2, k=7, no G.2 path symbol inversion
64 branches, elementary delay is 256
QPSK Gray encoded, square root raised cosine filtering, alpha = 0.6
80 kSymbols per second
150 kHz
75 kbps at CVCDU level
137.1000 MHz(Primary) & 137.9125 MHz(Secondary)
Science
Data
X-band to Svalbard (N) only 70 Mbps QPSK at 7750-7900 MHz band
Command
2053.4 MHz 2000 bps NRZ/PSK/PM
Telemetry
2230.0 MHz 4096 bps SP-L/PSK/PM
METOP-A AHRPT Direct Readout Technical Description Document TD18
AHRPT on only over Europe and North Alantic Ocean

LRPT A-side transmitter failed soon after launch, B-side transmitter has been off since 25/1/2007 due to RFI with HIRS/4 instrument. 

TERRA (EOS AM-1) Launched 18 December 1999
Service Downlink EIRP Uplink Modulation Notes
DB - Direct
Broadcast
8212.5 I:33
Q:42
RHCP

NRZ-M
OQPSK I:Q = 1:4
I: un-supported.
Q: Convolutional encoded
MODIS CADUs 13.125 Mbps
SMD - Science Mission Data 15 GHz

OQPSK I:Q = 1:1 150 Mbps primary downlink via TDRSS HGA
2 x 75 Mbps, bit-interleaved on I & Q
Telemetry 2287.5

PCM/NRZ-M/BiØ-S/PSK/PM



PCM/NRZ-M/BiØ-S/PM


PCM/NRZ-M/BiØ-S/PM
16 Kbps Real Time HouseKeeping CVCDUs
PSK (ß 0.8) on 1.024 MHz sub carrier
PM (ß 1.0) on RF carrier

16 Kbps SCC Dump
PM (ß 1.0) on RF carrier

256 or 512 Kbps Playback of stored HK
PM (ß 1.0) on RF carrier
Command Primary TDRSS SSA to HGA

2106.40625 PCM/BPSK/PM 1K or 10Kbps NRZ-M CLTU
BPSK on 16 KHz sub carrier
PM ±0.7 rad on RF
Command Backup  PGS to Omni

2106.40625 PCM/BPSK/PM 2000 bps NRZ-M CLTU
BPSK on 16 KHz sub carrier
PM ±0.7 rad on RF
Command
Contingency
TDRSS SSA to Omni


2106.40625 PCM/BPSK/PM 125 bps NRZ-M CLTU
BPSK on 16 KHz sub carrier
PM ±0.7 rad on RF
Ranging 2287.5
2106.40625
240/221 Phase Coherent
Command and Telemetry from/to TDRSS (Primary), 11.3m Polar Ground Stations (Backup) (Fairbanks, Alaska and Longyearbyen, Svalbard) or Wallops Is (contingency) via spacecraft Zenith and Nadir Omni antennae
Convolutional Encoding - CCSDS parameters: R=½ k=7, G2 inverted
CADUs are CCSDS VDCU with Reed-Solomon Error Correction (255,233,4)
CLTU CCSDS Command Link Transmission Unit
HGA High Gain Antenna
TDRSS Tracking and Data Relay Satellite System
SSA S-band Single Access
SMA S-band Multiple Access
KSA Ku-band Single Access: R=½ k=7, G2 inverted
CADU are CCSDS VDCU with Reed-Solomon Error Correction (255,233,4)
CLTU CCSDS Command Link Transmission Unit

AQUA (EOS PM-1) Launched 4 May 2002
Service Downlink EIRP Uplink Modulation Notes
DB
Direct
Broadcast
8160.0 >44
RHCP

SQPSK
I:Q = 1:1
I: 7.5 Msps
Q: 7.5 Msps
15 Mbps NRZ-L RS encoded CCSDS bit interleaved on I and Q
SMD Playback 
8160.0 44
RHCP

SQPSK 150 Mbps(over PGS)
Telemetry to PGS/WGS
Primary
2287.5

QPSK I: LRC Low Rate Channel
16.384 Kbps RT HK
Q: HRC High Rate channel
524.288 kbps PB HK, controller data dump or fill
Telemetry to TDRSS Secondary 2287.5

QPSK 1.024 (MA) or 4.096 kbps (SSA) RT HK Convolut. encoded, RS coded NRZ-L CCSDS same data on I & Q recombined on ground to increase link margin
Command via PGS Primary

2106.40625 PCM/BPSK/PM 
2000 bps BPSK on 16KHz sub carrier
PM MI ±1rad
Command via SN Secondary

2106.40625 PCM/BPSK/PM 125 (MA)/250/500/1000 bps (SSA) BPSK on 16kHz sub carrier
PM MI ±1rad
Ranging 2287.5
2106.40625
240/221 Phase Coherent

AURA (EOS-Chem) Launched 15 July 2004
Service Downlink EIRP Uplink Modulation Notes
SMD (Playback)
8160.0

SQPSK 150 Mbps CCSDS NRZ-M (over PGS only)
Command

2106.40625 PCM/BPSK/PM 2000 bps BPSK on 16 kHz sub carrier, PM (±1rad)
Telemetry 2287.5


16.384 and or 524.288 kbps
Ranging 2287.5
2106.40625
240/221 Phase Coherent

NPP (15 January 2011)
Service Downlink EIRP Uplink Modulation Notes
SMD to PGS
    to TDRSS
8212.5
15003.4
    SQPSK
SQPSK
300 Mbps
150 Mbps
HRD DB
High Rate Data
Direct  Broadcast
7812.0 42.8
RHCP

QPSK
I:Q = 1:1
15 Mbps NRZ-M Viterbi Compression
I = G1, Q = Inverted G2, K=7, R=½
Telemetry
PGS Primary
2247.5


1 kbps RT Critical
4 kbps RT H&S
16 & 32 kbps RT HK
512 kbps PB HK
Telememtry
TDRSS Secondary
2247.5


1 kbps RT Critical
4 kbps RT H&S
16 kbps RT H&S
Command
PGS Primary


2067.270833
2000 bps or 128 kbps
Command
TDRSS Secondary


2067.270833
125 bps or 1000 bps
GSFC 429-01-07-01 November 9 2001
NPP CDRL 040 2003 September 30 (Ball Aerospace and Technologies Commercial Space Operations)

NPOESS series (NPOESS-C1 5/2014, -C2 5/2016, -C3 2020 & -C4 2022)
Service Downlink EIRP Uplink Modulation Notes
SMD Science Mission Data 25,650

150 Mbps To 15 World-wide 'SafetyNet' Ground Stations
HRD High Rate Data Direct Broadcast 7834
RHCP

SQPSK
I:Q = 1:1
SRRC 0.5
20 Mbps CCSDS  Full SMD from CMIS, CriS & VIIRS 
LRD Low Rate Data Direct Broadcast 1707.0
RHCP

SQPSK NRZ-M
I:Q = 1:1
SRRC 0.5
3.88 MSps (7.76 Mbps) AHRPT/CCSDS format
I = G1, Q = Inverted G2, K=7, R=½
Subset of CMIS, CriS & VIIRS SMD
Telemetry 2245.0


GN USB 1, 4 or 16 kbps RT, 512 kbps PB
SN S-band 1, 4 or 16 kbps RT
Command

2067.3
GN S-band 2 or 100 kbps
SN S-band 125 or 1000 bps