http://www.geocam.ru/view/cam1143x537_international_space_station_live_webcam.html
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Media Liveshots via Satellite (AMC3 Transponder 9C) 

NASA TV Live Interactive Media Outlet (LIMO Channel)
Digital C-Band Downlink for continental North America, Alaska and Hawaii:
Satellite = AMC 3
Transponder = 9C
Orbital Position = 87 Degrees West
Transmission Format = DVB-S, 4:2:0
Downlink Frequency= 3865.5 Mhz
Downlink Polarity= Horizontal
FEC = 3/4
Data Rate = 6.0 Mbps
Symbol rate = 4.3404 Msps

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Getting NASA Television via Satellite (AMC3 Transponder 15C) 

Note: Effective Wednesday, Sept. 1, 2010 at 2 p.m. Eastern, NASA TV is changing the primary audio configuration for each of its four channels to AC-3, making each channel’s secondary audio MPEG 1 Layer II.

In continental North America, Alaska and Hawaii, NASA Television's Public, Education, Media and HD channels are MPEG-2 digital C-band signals carried by QPSK/DVB-S modulation on satellite AMC-3, transponder 15C, at 87 degrees west longitude. Downlink frequency is 4000 MHz, horizontal polarization, with a data rate of 38.86 Mhz, symbol rate of 28.1115 Ms/s, and 3/4 FEC. A Digital Video Broadcast (DVB) compliant Integrated Receiver Decoder (IRD) is needed for reception. 

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"Public Channel" Programming:
SD Program = 101 (HQ1)
Compression Format = MPEG-2
Video PID = 0x111 hex / 273 decimal
AC-3 PID = 0x115 hex / 277 decimal
MPEG I Layer II Audio PID = 0x114 hex / 276decimal 

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"Education Channel" Programming: 
SD Program = 102 (HQ2)
Compression Format = MPEG-2
Video PID = 0x121 hex / 289 decimal
AC-3 Audio PID = 0x124 hex /292 decimal 
MPEG I Layer II Audio PID = 0x125 /293 decimal 

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"Media Channel" Programming: 
SD Program = 103 (HQ3) 
Compression Format = MPEG-2 
Video PID = 0x1031 hex / 4145 decimal 
AC-3 Audio PID = 0x1035 hex /4149 decimal 
MPEG I Layer II Audio PID = 0x1034 hex /4148 decimal 

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"HD Channel" Programming: 
HD Program = 105
Compression Format = MPEG-2 
Video PID = 0x52 hex / 82 decimal 
AC-3 Audio PID = 0xEE hex / 238 decimal 
MPEG-1 Layer II Audio PID= 0x53 hex / 83 decimal 

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