NASA's Near Space Network (NSN) empowers user missions with critical communications and navigation services, enabling the transmission of science and exploration data to and from space. Through space relays (Space Relay - SR) and ground-based antennas (Direct-to-Earth - DTE), the NSN provides data delivery and satellite tracking services, bringing down an average of almost 30 terabytes of critical data daily. As a single point of interface for missions in the near-space region, the NSN orchestrates services through a robust blend of government and commercial service providers. NSN’s DTE Now shows these passes and the status of these link providers in real time.

The legend below shows the various connections between spacecraft and the ground. Downlink passes are data received from a spacecraft. Bidirectional passes facilitate both downlink (data received from a spacecraft) and uplink (commands transmitted to a spacecraft). Support passes are actual mission tracking passes scheduled at a ground station. During each of these linkages, the antenna moves so it can track the spacecraft.

  • Downlink

  • Bidirectional

  • Support


Check back here throughout the day to see NASA data come down from space!

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NORTH AMERICA

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AS1
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AS2
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AS3
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AS4
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BDA
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GLA
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GLB
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GLC
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KUS
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PDL
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USAK01
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USAK02
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USAK03
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USAK04
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USAK05
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USHI01
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USHI02
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WS1
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WG1
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WG2
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WG5

SOUTH AMERICA

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PA11
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SA1
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SA2
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SA3

ASIA

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SI1

EUROPE

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KU1S
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KU2S
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SG1
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SG2
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SG3
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SG12

AFRICA

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HBK1
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HBK2

ANTARCTICA

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MG1
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MTRS
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TR2
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TR3

OCEANIA

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AUWA01
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NZ2