NASA TV has just announced an upcoming new HD offerings, scheduled to come into effect on February 17th. NASA TV’s Public Channel and Media Channel will switch to HD, but the Education Channel will continue to be broadcast in SD.

As part of the changes, the NASA TV HD Channel, which currently serves as a HD simulcast of the Public Channel, will cease service.

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Beginning Feb. 17, 2012, NASA Television’s Public (101) and Media (103) channels will transmit their respective content in high definition. NASA TV’s Education Channel (102) will continue in standard definition, while the current NASA TV HD Channel (105) will cease service.
NASA Television Is On Satellite AMC-18C*

NASA TV (Public, HD, Media, and Education channels) is now available in continental North America, Alaska and Hawaii on AMC-18C. A Digital Video Broadcast (DVB) compliant Integrated Receiver Decoder (IRD) is needed for reception. NASA Television’s Public, HD, Media and Education channels are available at these parameters:

Uplink provider = AMC 18 C
Transponder = 3 C
105 degrees W
Downlink Frequency: 3760 MHz
Downlink Polarity: Vertical
Transmission Format = DVB-S, 4:2:0
FEC = ¾
Data Rate = 38.80 Mbps
Symbol Rate = 28.0681
Modulation: QPSK/DVB-S
MPEG-2 encoding

*Does not affect NASA TV viewers at home or on