Alaska Satellite Facility

ASF home graphic dish with satellite above and aurora in the sky

About the Alaska Satellite Facility

The Alaska Satellite Facility (ASF), located at the Geophysical Institute (GI) of the University of Alaska Fairbanks (UAF), supports Earth science research by providing reliable access to high-quality data and tools. ASF empowers scientists, researchers, and field teams around the world to explore and better understand dynamic Earth systems through the use of Synthetic Aperture Radar (SAR) data.

As the NASA SAR Distributed Active Archive Center (DAAC), ASF plays a key role in managing and distributing SAR data. ASF operates two ground stations in Fairbanks, one as part of the NASA Near Space Network (NSN) and the other within the Viasat Real-Time Earth (RTE) global satellite communications network; both of which are essential for acquiring satellite data used in near-real-time applications and long-term scientific research.

Our Mission

Making Remote-Sensing Data Accessible

Through data acquisition, processing, archiving, and global distribution, ASF delivers the resources researchers need to drive innovation and advance scientific discovery across disciplines.

Our Impact

ASF serves a diverse global community of scientists and data users by supporting critical climate and environmental research, including studies of glacier dynamics, sea ice monitoring, and ecosystem change. The facility plays a key role in enabling rapid disaster response by providing timely radar data during events such as earthquakes, floods, and volcanic eruptions.

By offering open-access SAR data and user-friendly tools, ASF helps accelerate scientific discovery and foster collaboration across disciplines. ASF helps push the boundaries of what’s possible in Earth observation by working closely with the research community to explore new ideas and applications, and by providing comprehensive training, detailed documentation, and dedicated user support to ensure they can fully harness the power of SAR data in their work.

Our Commitment

ASF’s commitment to advancing Earth science is grounded in accessibility, data integrity, and service to the research community.

ASF’s array of services as part of the Geophysical Institute and the University of Alaska in Fairbanks.

ASF History

ASF was established in 1991 on the UAF campus. However, its roots trace back to earlier satellite and Earth science initiatives in the 1980s. The motivation for its creation stemmed from the need for a high-latitude ground station capable of receiving data from polar-orbiting satellites. Given Alaska’s geographic position, Fairbanks offered a unique strategic advantage – allowing communication with satellites during nearly every orbit. Created as part of a collaboration between the University of Alaska, NASA, and the National Oceanic and Atmospheric Administration (NOAA), ASF was initially known as the Alaska SAR Facility, which reflected its early focus on SAR data – a remote sensing technique particularly useful in Alaska’s often cloud-covered and often dark environments. Today ASF operates as part of the Geophysical Institute at UAF and remains a key component of NASA’s Space Communications network and its Earth Science infrastructure. Its mission focuses on making SAR data accessible to support scientific research, resource management, and disaster response.

Timeline

2025
SAR processing milestone
NISAR logo
NASA/ISRO NISAR launch planned

 NISAR platform rendering in space

2024
Viasat logo
ASF joins the Viasat Real-Time Earth (RTE) satellite communications ground station network

 Map representing the Viasat Real Time Earth network

2023
SAR processing milestone
OPERA logo
ASF DAAC distributes OPERA data

The ASF DAAC begins distribution of global SAR data products from the JPL OPERA Project

2022
SAR processing milestone
Image sample of the Glacier Velocity Dataset
JPL and ASF create a glacier velocity record (ITS_LIVE)

70 million satellite images of decades-long global data were processed for this dataset

2022
SAR processing milestone
Hyp3-logo
HyP3 On Demand cloud processing is incorporated into Vertex Data Search

Click here to learn more about custom processing with HyP3

2021
30th Anniversary
ASF 30th anniversary poster
ASF celebrates 30 years of operations

Click here to view the anniversary video 
Video poster and button for 30 year anniversary of ASF

2021
Newest NASA addition
AS4 Antenna
AS4 construction completed

Construction of the newest NASA antenna at ASF is completed. AS4 will support the upcoming NISAR satellite mission.

2021
GeoDataCooperative
ASF and partners form the GeoData Cooperative

ASF together with the Department of Defense, and others partner form the GeoData Cooperative

2020
Antenna Upgrade
AS1 Antenna
NASA AS1 antenna (1996) gets an upgrade to provide state-of-the-art performance
2017
Antenna upgrade
AS2 antenna replaced

The first ASF antenna (1991), located on top of the CT Elvey Building, is upgraded in support of the NASA Near Space Network.

2016
25th Anniversary
ASF Celebrates 25 Year Anniversary
 
2016
Data archive expands
SMAP Platform in space
ASF Supports NASA SMAP Mission

ASF Ground Station supports NASA SMAP mission to study Earth's soil moisture ASF DAAC starts distributing SMAP data.

2016
Data archive expands
NISAR platform rendering in space
NASA selects ASF DAAC for NISAR data distribution

NASA selects ASF DAAC to be the distributor of SAR data from the future NASA-ISRO (India) NISAR satellite mission

2016
Data archive expands
Sentinel-1 Satellite in space artist rendering
ESA's Sentinel-1B launched

 Sentinel-1B is launched to join Sentinel-1A in providing global SAR coverage. Data from both satellites are distributed from ASF.

2016
Data archive expands
ALOS PALSAR displacement image with color bands illustrating changes
Unrestricted ALOS PALSAR Data available

Japanese government makes ALOS PALSAR data unrestricted, giving international users new access to the 2006-2011 dataset archived by ASF DAAC.

2016
Data archive expands
NISAR Data
ASF DAAC distributes data from NISAR

NASA announces that ASF DAAC will distribute data from NISAR, a joint U.S.-lndia satellite mission to be launched in 2023.

2015
ASF Distributing S1 Data
Sentinel 1 Data Agreement, ALOS PALSAR RTC Released, NASA Award

ASF DAAC starts distributing the entire archive of Sentinel 1A data through a historic agreement between NASA and the European Space Agency.

2015
A year of accomplishments and recognition
ASF completes radiometric terrain correction of ALOS PALSAR dataset
ALOS PALSAR RTC Dataset Released

ASF completes radiometric terrain correction of ALOS PALSAR dataset.

2015
ASF Recognized for performance
Prestigous NASA award recognizes ASF Ground Station team
ASF receives NASA Award

The prestigious NASA award recognizes the ASF Ground Station team for making the new antenna fully operational ahead of schedule.

2014
ASF is growing
ASF Satellite dish looking up at the sky
ASF Enterprise Services.

ASF Enterprise offers ground station services from university-owned antenna assets.

2014
ASF is growing
Ribbon-cutting ceremony for NASA's third antenna at ASF
A Third Antenna at ASF

Ribbon-cutting ceremony for NASA's third antenna at ASF.

2014
ASF is growing
Image with colors signifying displacement after an earthquake
Data Storage Milestone

ASF DAAC data archive exceeds 1.5 petabytes, roughly equivalent to 500 Million Songs stored as MP3s.

2013
New imagery based on historic 1978 Seasat Mission
ASF DAAC Releases Never Seen Before Imagery

ASF DAAC releases newly processed imagery, much of which had never been seen before from the historic 1978 Seasat mission.

2012
ASF UAVSAR Data Availability Plays Important Role
ASF Data Plays Important Role In Detection of Deepwater Horizon Oil Spill

UAVSAR data accessed through ASF DAAC played an important role in detecting the Deepwater Horizon oil spill in the Gulf of Mexico.

2011
20th Anniversary
ASF 20th anniversary poster
ASF Celebrates 20th Anniversary
2011
Vertex Search
New web data portal Vertex
New Web Data Portal Vertex is Launched.

New web data portal Vertex enables search and discovery of downloadable data and imagery.

2010
ALOS PALSAR assists with detecting fault lines
ALOS PALSAR Plays Important Role in Detecting Haitian Fault Zones

ALOSPALSAR data, which can be accessed through ASF DAAC, plays a vital role in detecting the fault zones that were in play, causing the devastating Haitian earthquake.

NASA's Tracking and Data Relay Satellite System (TDRSS) begins data acquisition for Japan's ALOS mission, the start of a historic international collaboration.

2008
AIRSAR Data Added
AIRSAR Data Added

NASA Airborne SAR (AIRSAR) data collection was added to the ASF DAAC for archive and distribution.

2006
A busy year!
ALOS Data Node

America's ALOS Data Node (AADN) was created in partnership with NOAA.

2006
A busy year!
JAXA ALOS satellite
JAXA Satellite Launch

JAXA ALOS satellite successfully launched into space.

2006
Uplink completed
First ASF uplink of a command file to an orbiting satellite
ASF's First Uplink

The first ASF uplink of a command file to an orbiting satellite was completed.

2003
Alaska SAR Facility renamed
Alaska Satellite Facility Logo
Alaska SAR Facility renamed
ASF Logo in 2003

The Alaska SAR Facility was renamed the Alaska Satellite Facility to be more descriptive and better reflect the extent of the facility and its services as a whole.

1997
RADARSAT-1 Antarctic Mapping
RADARSAT-1 Antarctic Mapping

The RADARSAT-1 Antarctic Mapping Mission 1 was completed. A tiled mosaic was created by the Ohio State University.

1995
Expanded
RADARSAT-1 data at ASF

ASF downlinks, processes, and distributes data from RADARSAT-1.

The 11-meter-tall NASA antenna was installed to support the Advanced Earth Observing Satellite (ADEOS-1) of the National Space Development Agency of Japan (NASCA)

1994
ASF DAAC created
NASA Logo
ASF DAAC created

ASF Distributed Active Archive Center(DAAC) was created under contract with NASA

1991
ASF's first antenna
1991 ASF's first antenna view in the control room
ASF's first antenna

ASF's first antenna becomes operational and receives its first downlink from ERS-1

ASF Leadership

Wade Albright, Director, Alaska Satellite Facility

Wade Albright

Director, Alaska Satellite Facility

Paul Austin, ASF Ground Station Manager

Paul Austin

ASF Ground Station Manager

Ian Dixon, ASF Engineering Manager

Ian Dixon

ASF Engineering Manager

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Rex Ellis

ASF IT Operations Manager

Kirk Hogenson, ASF Product Development Manager

Kirk Hogenson

ASF Product Development Manager

Franz Meyer, ASF Chief Scientist

Franz Meyer

ASF Chief Scientist

Suzy Nikolai, ASF Executive Business Manager

Suzy Nicolai

ASF Executive Business Manager

The ASF offices at UAF campus seen from the air
The ASF offices in the Elvey building at UAF campus seen from the air

Be a part of the ASF team!

Apply for University of Alaska career employment opportunities at ASF through the UA Careers website.

Computer Science and Engineering students will find a rich, inclusive, and supportive environment offering real-world experience in a NASA-affiliated organization. Interested? Contact us at [email protected].

UA is an AA/EO employer and educational institution and prohibits illegal discrimination against any individual.

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