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In The News

June 20, 2024

Payload

CesiumAstro Pockets $65M in Series B+ Funding

CesiumAstro has raised $65M in a Series B+ round, bringing their total venture funding since 2017 to $156M.

June 20, 2024

Via Satellite

CesiumAstro Raises $65M in Series B+ Funding

CesiumAstro raised a $65 million Series B+ funding round, the Austin-based satellite tech company announced this week.

June 18, 2024

SpaceNews

CesiumAstro banks another $65 million

CesiumAstro, a startup specializing in phased array communications payloads, raised $65 million in a Series B+ investment round announced June 18.

June 18, 2024

Austin Business Journal

Space communications tech company CesiumAstro raises $65M

An Austin-based startup developing on-satellite communication devices has raised millions from venture capital firms to further develop its technologies and expand its team.

May 7, 2024

Via Satellite

CesiumAstro, Mynaric, Redwire Space, and Others Selected for Rocket Lab SDA Subcontracts

Rocket Lab selected its subcontractors for its work for the Space Development Agency (SDA), announcing deals with CesiumAstro, Mynaric, SEAKR Engineering, Collins Aerospace, Redwire Space, and Parsons Corporation.

October 18, 2023

SpaceNews

CesiumAstro wins NASA award to study wideband communications

CesiumAstro won a NASA contract to design a space-qualified wideband active phased array terminal to communicate with commercial and government networks.

October 5, 2023

SpaceNews

CesiumAstro, Hughes and SES demonstrate active phased array terminal

CesiumAstro demonstrated its latest Ka-band active phased array terminal with the help of a Hughes software-defined modem and an SES geosynchronous satellite.

October 5, 2023

Via Satellite

CesiumAstro Demos Ka-Band Phased Array Terminal With SES, Hughes

CesiumAstro demonstrated its Ka-band active phased array terminal with SES and Hughes Network Systems, connecting to a satellite in Geostationary Orbit (GEO).

May 17, 2023

Via Satellite

Why the Former CEO of Volkswagen America is Working With CesiumAstro on the Connected Car

CesiumAstro has tapped a former CEO of Volkswagen Group of America for an advisory role that the company says will accelerate its vision of the satellite-connected car and a new constellation dedicated to the automotive industry.

May 9, 2023

SpaceNews

Former congressman Mac Thornberry joins CesiumAstro’s board of advisers

Former Texas congressman William “Mac” Thornberry, who led the House Armed Services Committee, has joined the board of advisers of CesiumAstro, a company that specializes in communications technologies for satellites and aircraft.

May 8, 2023

Janes

Raytheon, CesiumAstro provide ASEA payload for PWSA

Raytheon will integrate CesiumAstro's active electronically scanned array (AESA) radio frequency (RF) communications payload into its low-Earth orbit (LEO) satellites being developed for the Pentagon's Space Development Agency (SDA).

May 4, 2023

SpaceNews

CesiumAstro to supply communications payloads for Space Development Agency satellites

CesiumAstro, a company that specializes in communications technologies for satellites and aircraft, will supply electronic phased-array payloads for seven U.S. military satellites built by Raytheon Technologies.

March 23, 2023

Janes

SDA, CesiumAstro to develop Link 16-capable AESA antenna

The Pentagon's Space Development Agency (SDA), in conjunction with space payload company CesiumAstro, is developing the first multibeam active electronically scanned array (AESA) antenna compatible with the Link 16 tactical datalink.

March 22, 2023

PaxEx.Aero

CesiumAstro brings Ka-band ESA to life; Airbus trials planned

CesiumAstro has a lot of experience delivering phased array antenna solutions in space. Now it wants to bring that hardware a bit closer to earth. The company announced a new Ka-band electronically steered antenna (ESA) platform at Satellite 2023, in

March 15, 2023

Forbes

CesiumAstro Aims to Speed Up Your In-Flight Broadband with Tech from Military Radar

Texas-based satellite antenna-maker CesiumAstro is offering its flat-panel phased array antenna and software-defined radio combo to air transport manufacturers, betting that in-cabin broadband will be a must-have for airlines.

March 13, 2023

Payload

CesiumAstro Announces IFC Plans

CesiumAstro announced this morning that it is officially getting into the in-flight connectivity (IFC) market. The company is planning to test a flat active phased array payload that can connect with satellites in orbit more easily and effectively

March 13, 2023

SpaceNews

CesiumAstro enters IFC market

CesiumAstro, a company known for supplying phased array antennas for satellites, is entering the in-flight connectivity market with demonstrations on Airbus airplanes and helicopters.

March 2, 2023

SpaceNews

CesiumAstro wins SDA contract for Link 16 antennas

CesiumAstro won a $5 million contract from the Pentagon’s Space Development Agency to develop active electronically scanned array antennas compatible with the Link 16 tactical data network.

March 2, 2023

Austin Business Journal

CesiumAstro secures $5M DoD contract for space communications

The contract exemplifies continued government interest in the Lone Star State's aerospace industry. It also furthers CesiumAstro's efforts to create a product roadmap that anticipates the needs of the DoD's Proliferated Warfighter Space Architecture,

March 2, 2023

Via Satellite

SDA Awards Raytheon and CesiumAstro Contracts for PWSA Network

The Space Development Agency (SDA) awarded both Raytheon Technologies and CesiumAstro contracts announced Thursday related to its Proliferated Warfighter Space Architecture (PWSA) network.

January 17, 2023

SpaceNews

CesiumAstro acquires U.K. startup TXMission

CesiumAstro, an Austin-based startup specializing in phased array technology, has acquired TXMission, a U.K. company that develops software-defined radios and modems. Financial terms of the transaction were not disclosed.

January 17, 2023

Via Satellite

CesiumAstro Acquires UK-Based TXMission

CesiumAstro has acquired TXMission, a company based in the United Kingdom that develops software-defined radios and modems for satellites. CesiumAstro, which builds active phased arrays, said the deal will help the company expand to Europe and

December 20, 2022

Via Satellite

Saturn Satellite Networks Taps CesiumAstro for Phased Array Payload for SBN-1 Satellite Constellation

Saturn Satellite Networks signed a deal to use CesiumAstro’s active phased array payload for its recently announced Space Broadband Networks satellite program. Under the program, called SBN-1, Saturn Satellite Networks plans to launch six small

September 17, 2022

SpaceNews

CesiumAstro plots in-house satellite production ramp-up after debut launch

CesiumAstro expects to be building satellites mostly by itself in two years to house the active phased arrays it has been developing, aiming to shift the paradigm for electronically steered antennas with commercial-like industrialization processes

August 28, 2022

Silicon Hills

25 Austin-Based Startups to Watch in 2022

Austin had a record-breaking year with startup activity overall on the rise. In 2021, companies in the Austin-Round Rock metropolitan area raised $4.9 billion in venture capital in 387 deals, more than double the $2.3 billion raised in 2020

June 21, 2022

SpaceNews

Through Starling, NASA will test complex swarm operations

NASA is preparing to launch Starling, its first satellite swarm. Instead of communicating directly with the four Starling cubesats, mission operators will send instructions to the swarm as a single entity. If successful, “swarms have a potential to

May 16, 2022

SpaceNews

Launcher announces customers for first Orbiter space tug mission

Launch vehicle and in-space transportation services company Launcher has filled the manifest for the first flight of its space tug later this year with a mix of commercial and academic payloads. Launcher announced May 16 that the first flight of it

March 2, 2022

Reuters

CesiumAstro secures $60 mln in funding from Airbus Ventures and others

CesiumAstro Inc, a startup that builds hardware and software for aerospace communications, said on Wednesday it has raised $60 million in funding from investors including Airbus Ventures and Kleiner. Part of the funding will be used to further devel

March 2, 2022

Austin Inno

Hiring, more launches into space on tap after CesiumAstro raises $60M

A lot of today's emerging technology, from self-driving cars to advanced drones, need eyes in the sky to communicate across all the nooks and crannies of Earth's topography. And an Austin startup hopes to be one of the prime players in selling satell

March 2, 2022

BusinessWire

CesiumAstro Secures $60 Million in Oversubscribed Series B Funding

CesiumAstro Inc. (“Cesium” or “Company”), a developer of advanced aerospace communication systems, today announced it has secured $60 million in an oversubscribed Series B funding round, co-led by Airbus Ventures and Forever Ventures, with strategic

March 2, 2022

SpaceNews

CesiumAstro raises $60 million in Series B funding round

CesiumAstro Inc. raised $60 million in a Series B funding round led by Airbus Ventures and Forever Ventures. L3Harris Technologies also participated in the round alongside existing CesiumAstro investors: Kleiner Perkins, Lavrock Ventures, Franklin T

January 14, 2022

ViaSatellite

CesiumAstro Releases S-Band Inter-Satellite Link

CesiumAstro has released an S-band inter-satellite link for commercial, government, and defense applications called the CommPack, the company announced Jan. 11. The CommPack communications payload includes the software-defined radio (SDR-1001) and

December 17, 2021

SpaceNews

CesiumAstro founder closes in on decades-old dream

Shey Sabripour was first exposed to active phased array antennas while designing satellites at Lockheed Martin in the early 1990s.

December 16, 2021

BusinessWire

CesiumAstro Accelerates Active Phased Array Payload Development for Lunar Exploration, Connectivity, and Sensing

CesiumAstro, Inc., with support from The National Aeronautics and Space Administration (NASA), is accelerating radio frequency (RF) active phased array antenna development enabling dual function communications and sensing for lunar and cislunar appli

December 16, 2021

Payload Space

CesiumAstro Speeds Up Gen-2 Nightingale Development

CesiumAstro, an Austin-based software communication system developer, has announced plans to accelerate production on the second generation of its active phased array product, Nightingale. The software-defined steerable array can attach to satellites

November 29, 2021

Microwaves & RF

The Top Products of 2021: Part 1

In its SDR-1001, a flight-ready, credit-card-sized modular software-defined radio (SDR) module, CesiumAstro delivers four transmit and four receive channels tunable from 300 MHz to 6 GHz for commercial, government, and defense applications. The modul

October 7, 2021

Air Force Magazine

Cislunar Space

Not much human activity has touched the moon or its surroundings in the half-century since American Apollo astronauts traversed the lunar landscape, but new concerns about China’s interests and motives have leaders in Washington viewing with worry th

September 28, 2021

Payload Space

Cesium Mission 1 Kicks Off

CesiumAstro has successfully launched its first two CubeSats into space, hitching a ride Monday with NASA’s Landsat-9. HQ’d just outside Austin in Bee Cave, TX, CesiumAstro’s secret sauce is its active phased array payload.

September 27, 2021

KXAN-TV

Austin space company expands tech footprint with satellite launch

For one Austin-based company, its latest endeavor is, quite literally, out of this world. Space communications technology company CesiumAstro celebrated the launch of two experimental satellites Monday afternoon with a watch party at its Bee Cave he

September 27, 2021

Austin American Statesman

Austin space tech firm CesiumAstro sends its first satellites into orbit on Atlas V rocket

Austin-based space communication company CesiumAstro has made it into space for the first time, as it successfully launched its experimental technology on Monday.

August 26, 2021

BusinessWire

CesiumAstro, Inc. Partners With the U.S. Department of Defense to Launch On-Orbit Active Phased Array Satellite Testbed for Global Users

CesiumAstro Inc. today announces a key milestone in its collaboration with the U.S. Department of Defense’s Defense Innovation Unit; CesiumAstro’s first two spacecraft have been successfully integrated as secondary payloads onto the Atlas V rocket wh

June 15, 2021

Austin Business Journal

CesiumAstro plans to double in size in coming year

This space communications startup founded in 2017 is growing fast. The expansion comes on the heels of another local space company, Firefly Aerospace, that announced in May it will add hundreds of jobs.

June 15, 2021

Austin Chamber

Opportunity Austin announces CesiumAstro expansion in Austin

Opportunity Austin, the Greater Austin Chamber’s five-county prosperity initiative, today announced plans for space communications company CesiumAstro to expand its presence in the Austin region. CesiumAstro designs and manufactures high-throughput

May 25, 2021

BusinessWire

Airborne and In-Orbit Communications Leader CesiumAstro, Inc. Readies for First Mission to Launch; Company Wins Swath of Commercial Milestones

CesiumAstro, Inc. announces the upcoming launch of Cesium Mission 1, an on-orbit testbed allowing customers to run experiments on electronically steerable, multibeam active phased array (APA) technology. Spearheaded by Founder and CEO Shey Sabripour,

May 25, 2021

SpaceNews

CesiumAstro unveils plan to test active phased array in orbit

CesiumAstro is preparing to launch two cubesats in September to demonstrate the firm’s active phased array technology and to provide customers with an on-orbit testbed.

April 22, 2021

Builtln

21 Austin Companies to Watch in 2021

Big funding rounds. Groundbreaking tech. Hiring sprees. Here’s what to know about your local tech scene this year.

December 29, 2020

Austin Inno

The biggest Austin startup fundings of 2020

While Torchy's burned it up with private equity, Everlywell did quite well with venture capitalists. Austin's tech startup ecosystem continued to boom in 2020, despite the pandemic. But it's that other thing that Austin is known for that attracted

March 14, 2019

SpaceNews

Satellite payload startup raises $12.4 million from Airbus Ventures, other investors

Cesium Astro, a startup building advanced antennas and communications systems for satellites, raised $12.4 million in a Series A round led by Airbus’ venture capital arm Airbus Ventures.

SOFTWARE-DEFINEDFULL-STACK MISSION-READYCOMMUNICATIONS.

Choose your application(s)

SOFTWARE-DEFINEDFULL-STACK MISSION-READYCOMMUNICATIONS.

Mission Specifications

SOFTWARE-DEFINEDFULL-STACK MISSION-READYCOMMUNICATIONS.

PLAN YOUR MISSION

SOFTWARE-DEFINEDFULL-STACK MISSION-READYCOMMUNICATIONS.

Final Step

VIREO

Multi-beam APA System

NIGHTINGALE I

Ka-Band High-Speed Downlink Payload

COMMPACK

Cross-link Communications Payload

Press Releases

CesiumAstro to Power Lunar Navigation With NASA Contract for LunaNet Technology

CesiumAstro Secures $65M in Oversubscribed Funding Round

CesiumAstro Selected by Rocket Lab to Provide Multi-Beam Ka-Band Communications Payloads for its Space Development Agency Tranche 2 Transport Layer Constellation

Shey Sabripour, CesiumAstro Founder and CEO, Tapped to Join Texas Aerospace Research and Space Economy Consortium Executive Committee

CesiumAstro Celebrates Successful Tests of its CommPack Cross-Link Communications Payloads on NASA’s Starling Mission, Achieves TRL 9 Status

CesiumAstro Awarded NASA Contract to Assess Wideband Satellite Communications Capabilities

CesiumAstro, SES, and Hughes Team Up to Demonstrate a Scalable Ka-Band Active Phased Array SATCOM Terminal

CesiumAstro Partners with U.S. Air Force in $3.6M Program to Demonstrate Satellite Communications Terminal on MQ-9A Reaper

CesiumAstro Welcomes Hinrich Woebcken, Former CEO of Volkswagen Group of America, as Senior Executive Advisor

CesiumAstro Expands Advisory Board with Appointment of the Honorable William “Mac” Thornberry as Strategic Advisor

CesiumAstro Selected to Provide 7 Multi-Beam, Active Phased Array Communications Payloads to Raytheon Technologies for SDA’s Tranche 1 Tracking Layer

CesiumAstro Unveils In-Flight Connectivity Satellite Communications Terminal with Planned Airbus Demonstrations

CesiumAstro Wins SDA Award to Advance Multi-Beam, L-Band Active Electronically Steerable Array Antenna Development

CesiumAstro Acquires TXMission, a United Kingdom-based SmallSat Communications Company

CesiumAstro Selected by Built In for Its Esteemed 2023 Best Places to Work Awards

Saturn Satellite Networks Selects CesiumAstro’s Multi-Beam Active Phased Array RF Payload for its $500M Space Broadband Networks-1 Program

CesiumAstro joins space industry consortium working to advance interoperability in satellite and ground system networks

CesiumAstro’s Nightingale Selected for CACI Two-way Time Transfer Demonstration

CesiumAstro Secures $60 Million in Oversubscribed Series B Funding

CesiumAstro releases s-band inter-satellite link with software-defined capability

CesiumAstro Accelerates Active Phased Array Payload Development for Lunar Exploration, Connectivity, and Sensing

CesiumAstro announces successful deployment of next-generation active phased array experimental satellites, enters next phase of testing

CesiumAstro achieves AS9100 quality certification

CesiumAstro selects keysight technologies for state-of-the-art phased array calibration

CesiumAstro, Inc. Partners With the U.S. Department of Defense to Launch On-Orbit Active Phased Array Satellite Testbed for Global Users

CesiumAstro releases space-qualified software-defined radio with open reconfigurable FPGA

In The News

CesiumAstro Pockets $65M in Series B+ Funding

CesiumAstro Raises $65M in Series B+ Funding

CesiumAstro banks another $65 million

Space communications tech company CesiumAstro raises $65M

CesiumAstro, Mynaric, Redwire Space, and Others Selected for Rocket Lab SDA Subcontracts

CesiumAstro wins NASA award to study wideband communications

CesiumAstro, Hughes and SES demonstrate active phased array terminal

CesiumAstro Demos Ka-Band Phased Array Terminal With SES, Hughes

Why the Former CEO of Volkswagen America is Working With CesiumAstro on the Connected Car

Former congressman Mac Thornberry joins CesiumAstro’s board of advisers

Raytheon, CesiumAstro provide ASEA payload for PWSA

CesiumAstro to supply communications payloads for Space Development Agency satellites

SDA, CesiumAstro to develop Link 16-capable AESA antenna

CesiumAstro brings Ka-band ESA to life; Airbus trials planned

CesiumAstro Aims to Speed Up Your In-Flight Broadband with Tech from Military Radar

CesiumAstro Announces IFC Plans

CesiumAstro enters IFC market

CesiumAstro wins SDA contract for Link 16 antennas

CesiumAstro secures $5M DoD contract for space communications

SDA Awards Raytheon and CesiumAstro Contracts for PWSA Network

CesiumAstro acquires U.K. startup TXMission

CesiumAstro Acquires UK-Based TXMission

Saturn Satellite Networks Taps CesiumAstro for Phased Array Payload for SBN-1 Satellite Constellation

CesiumAstro plots in-house satellite production ramp-up after debut launch

25 Austin-Based Startups to Watch in 2022

Through Starling, NASA will test complex swarm operations

Launcher announces customers for first Orbiter space tug mission

CesiumAstro secures $60 mln in funding from Airbus Ventures and others

Hiring, more launches into space on tap after CesiumAstro raises $60M

CesiumAstro Secures $60 Million in Oversubscribed Series B Funding

CesiumAstro raises $60 million in Series B funding round

CesiumAstro Releases S-Band Inter-Satellite Link

CesiumAstro founder closes in on decades-old dream

CesiumAstro Accelerates Active Phased Array Payload Development for Lunar Exploration, Connectivity, and Sensing

CesiumAstro Speeds Up Gen-2 Nightingale Development

The Top Products of 2021: Part 1

Cislunar Space

Cesium Mission 1 Kicks Off

SOFTWARE-DEFINED
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MISSION-READY
COMMUNICATIONS.

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FULL-STACK
MISSION-READY
COMMUNICATIONS.

SOFTWARE-DEFINED
FULL-STACK
MISSION-READY
COMMUNICATIONS.

SOFTWARE-DEFINED
FULL-STACK
MISSION-READY
COMMUNICATIONS.