SpaceConnected

Audacy is redrawing the map of space connectivity, covering both existing markets and enabling commercial opportunities beyond what is currently possible. Our vision not only supports the explosive growth of current commercial space applications in Low Earth Orbit (LEO), but also enables continuous data access to spacecraft anywhere across Earth-Moon space.

 
 

The Audacy Architecture includes four major elements:

  1. Relay-Satellite Constellation

  2. Network of Ground Stations

  3. User Terminal

  4. Audacy's Quindar Software

Together, these four segments enable a seamless solution for space users ranging from CubeSats to space stations, and anything in between. Addressing the three most pressing issues of space communications today, Audacy connects operators to their systems, provides users with their payload data, and brings the astronaut closer to the audience. 

 

Together, these four segments enable a seamless solution for space users ranging from CubeSats to space stations, and anything in between. Addressing the three most pressing issues of space communications today, Audacy connects operators to their systems, provides users with their payload data, and brings the astronaut closer to the audience.


Audacy provides a dial-tone in space.
 

Satellite Constellation

Audacy’s relay satellites are purpose-built and highly capable space-to-space communications nodes. In the first generation, a total of three satellites enable complete coverage anywhere from the ground out to 10,000 km orbit altitude. Beyond that, the link seamlessly transitions to ground based assets providing connectivity as far as lunar distances.

The constellation is deployed in a unique 3:1 harmonic resonance Medium Earth Orbit (MEO) at an altitude of 14,000 km. In this orbit, it each satellite travels around the Earth in about 8 hours. All satellites maintain continuous connectivity with the ground and each other using multiple signal pathways for network resilience.

Audacy’s constellation is designed from the ground up to provide high-availability mission critical communications to users anywhere in near Earth space. Unlike constellations with many more nodes, a maximum of only two hops is required for any client to connect to ground - minimizing latency / signal degradation, and maximizing total system reliability.

 

Ground Stations

Unlike direct space-to-ground architectures which require frequent handovers and spectrum rights in many national jurisdictions, Audacy’s architecture greatly simplifies backhaul integration and user operations. The Audacy Architecture uses a total of three ground stations, starting with operations centers in San Francisco (2017) and SIngapore (2018), and expanding with a third location in Luxembourg as demand for capacity grows. 

Both gateways and operations centers are located in geographic areas with superior data infrastructure, directly on high-availability internet backbone locations. Network users can receive their data at any internet enabled location in the world or take delivery with a customer owned equipment rack directly within Audacy’s operations center for maximum security hardening. 

In addition to their function as the relay constellation feeder link, each ground station also directly communicates with spacecraft anywhere in Earth-Moon space. Our gateways are large enough to achieve multiple Mbps at lunar distance, yet fast enough to track objects in LEO. Frequencies from S-band through V-band are supported.

 

User Terminal

There are three options for clients to link to the Audacy network: (1) integrate the Audacy client terminal on the user spacecraft, (2) design the user spacecraft’s communications system to comply with the Audacy Interface Control Document, (3) reprogram a deployed spacecraft on orbit to achieve Audacy compatibility. 

The Audacy client terminal is a CubeSat form factor radio + antenna combination for customer looking for a fully turnkey solution. Install the terminal in your CubeSat, register it on the Audacy network, logon to Quindar, and you’re done. Our client terminal is developed in partnership with leading manufacturers and scheduled to fly in space in December 2017. 

 

  • Frequency: Ka-band, S-Band

  • Mass: 0.8 kg

  • Volume: 0.5 U

  • Power: 0.5 W (standby) 25 W (peak)

  • Data Rate: 5 Mbps

  • Interface: SpaceWire

For users looking to achieve link performance beyond the baseline capabilities of the Audacy client terminal, we work with you to develop a bespoke implementation tailored to your mission needs. Audacy will provide Interface Control Documentation (ICD) and extensive engineering support to your spacecraft integration team throughout the entire build process.

For spacecraft already equipped with programmable radios and antenna systems of suitable emissions patterns, a simple software upgrade can be sufficient to achieve full network compatibility. Contact our technical team to schedule a review of your specific mission needs.

 

Software

Mission Operations centers can range in size from something as modest as a single laptop connected to a backyard radio antenna, to multiple rooms housing dozens of consoles each equipped with many displays and combined with large projection systems at the front of the room. Due to its specialized nature, the software powering these systems is often developed in house, and frequently does not have the benefits of a modern architecture, mainstream libraries, and graphical capabilities.

Audacy created Quindar as an open-source, modern, browser based, real time data visualization platform to monitor and operate complex engineering systems in a spaceflight mission operations setting. While other FOSS (Free Open Source Software) projects of this nature exist, Quindar is commercially backed by Audacy, and we remain fully committed to maintain it as free (no cost, open source) to the growing worldwide community of spacecraft operators of all sizes, now and in perpetuity. 

You can use Quindar for your own mission operations, deployed on your own metal, customized to suit your mission needs. If you do, please give back and contribute to the development community on GitHub (https://github.com/quindar).

Representative Link Calculator

 
 
dBi   User Antenna Gain
 
kbps   Data Rate with Audacy
 
 
 
cm   User Antenna Diameter
dBi   User Antenna Gain
 
Gb/day   Data Rate with Audacy
 
 
cm   User Antenna Diameter
dBi   User Antenna Gain
 
Mbps   Data Rate with Audacy
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Data Rates – Gen 1

Audacy's Gen 1 service level supports over 1,000 simultaneous users at worst-case data rates ranging from 35 kbps to 22 Mbps. This service accommodates a wide range of use cases, with availability over the entire coverage map and seamless client handovers. These services are ideally suited for small satellites, launch vehicles, and large constellation management.

 

DATA RATES – GEN 2

Audacy's Gen 2 service is available to up to 12 simultaneous users, focusing multiple Audacy beams onto a single client to achieve data rates of up to 4 Gbps. Coverage extends from the Earth's surface up to 10,000 km altitude. These services are for clients with larger spacecraft and/or high-value data needs as either a primary or complementary connectivity solution. Large platforms can make use of up to 4 Audacy links simultaneously, each scaling to 1 Gbps of throughput anywhere in the Gen 2 coverage area

 

Learn More About Audacy Services