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STL Option

Encrypted, backup timing solution

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STL Satellite Time & Location Service
pdf (992KB)


STL FAQ What is STL? (PDF) Support Home STL Option Manual


The Challenge

GPS and other GNSS signals play a key role in the operation of critical infrastructure systems such as communications networks, financial systems, power grids, and more. Despite the fact GNSS systems do a good job of providing solutions for diverse applications, they were never designed to be used in many of the ways they are being applied today. And as critical applications push the envelope in their use of GNSS systems, the result is deficiencies which leave them vulnerable.

GNSS signals originate from 20,000 km above the earth and are very weak by the time the reach the ground. This means that they have difficulty working indoors and can be affected by interference ranging from benign sources like ionospheric conditions to more serious ones like intentional jamming. Commercial GNSS signals are also unencrypted, and therefore susceptible to spoofing which is a serious threat for critical applications.

The Solution

STL, delivered by Satelles, is a secure, robust timing solution that can be used to complement GPS and other GNSS satellite signals, making applications more resilient, reliable, and secure.

Originating from the Iridium® constellation of 66 low-earth-orbiting satellites, STL is 1,000 times stronger than GNSS systems, capable of reaching deep into buildings and overcoming jamming issues without the aid of local infrastructure. Cryptographic security features of STL also provide exceptional resilience to intentional spoofing.

Used in tandem with GPS and other GNSS signals, STL provides a powerful, resilient solution for critical timing applications. Safran precision timing products integrated with STL provide the perfect platform for GNSS augmented solutions as well as indoor solutions where GPS can’t be reached. If timing is critical to your application, contact Safran to learn more about STL and other Resilient Positioning, Navigation, and Timing solutions.

ADVANTAGES

  • Powerful Signal

    Due to the proximity of LEO satellites (25 times closer to the Earth than GNSS satellites) and a high-power satellite signal, STL broadcasts are 1,000 times (30 dB) stronger than GPS, allowing them to penetrate deep into GPS-challenged environments where signals are obstructed or degraded, including indoors and underground.

  • Global Coverage

    An innovative mesh architecture of 66 polar-orbit LEO satellites forms an efficient and flexible global network in space to ensure a robust time and location service everywhere — including urban and rural locations, and across oceans, airways, and polar regions. Cross-links provide continuous orbit and time information on the entire constellation even when most are not in view of ground systems. Overlapping spot beams provide location-specific keys that change every second to support location-based authentication.

  • Secure Delivery

    STL’s unique security features provide a trusted PNT solution that is highly resistant to cyberattacks and other signal manipulation. For example, the complex, overlapping beam patterns of the satellites combined with signal authentication techniques allow STL to deliver a trusted time and location capability that is highly secure.

LEARN MORE

  • Jamming and Spoofing Protection for UAVs Using GNSS Signals

    Get protection against GPS jamming and spoofing for any UAV application, using encrypted satellite signals and anti-jam antennas.

    Learn More

  • Takeaways Commercial Infrastructure IT Managers Need to Know From Recent NIST Guidance

    Recent NIST guidance highlights an Orolia partner offering

    Learn More

  • STL FAQ

    What is STL? This is a great place to start to learn more about this Iridium-based technology and how it can help you.

    Learn More

CASE STUDIES

  • A Hierarchical Timing Topology Gets a Sporting Chance to Improve This Distributed Network

    A live sports broadcasting enterprise with multiple sites and a distributed network was getting its time references via internet time servers, including regional NIST and NTP pool servers … and it wasn’t working out.

    Learn more

  • Providing secure time reference to a leading pharmaceutical organization – Vifor Pharma

    Vifor Pharma, a global pharmaceutical company based in Switzerland and specialized in iron deficiency treatments, contacted Orolia to provide them with a solution to make their Time Source more reliable and secure.

    Learn more

  • Testing Confirms Resilient Timing Success

    What do you do when your GPS receiver is in a basement and underground, with marginal availability of GNSS signals? This was a challenge for GMV, a global technology corporation that produces WANTime time service for the city of Madrid, Spain.

    Learn more

REQUEST A QUOTE

FEATURES

  • Works indoors
  • Mounts right near your server rack – no rooftop antenna needed
  • 1000x stronger than GPS
  • Delivers timing even in GPS-denied environments
  • Encrypted signal resists jamming and spoofing
  • Incredibly accurate +/- 500 ns to UTC
  • Specifically designed for timing applications

SPECS

  • Size 57 mm dia. X 15 mm H
  • 96” cable standard
  • Weight: 160 g
  • Enclosure: Radome: ASA plastic, Base: Zamak white metal
  • Attachment method: Magnet
  • Oper Temp. Range -40 to +85 oC
  • IP67 and RoHS compliant
  • Shock: Vertical axis: 50 G, other axes: 30 G
  • Vibration: 3 axis, sweep = 15 min, 10 to 200 Hz sweep: 3G

RELATED PRODUCTS

SecureSync IDM Suite

SecureSync IDM Suite
  • Jamming and spoofing detection algorithms
  • Works with standard SecureSync GPS/GNSS receivers
  • No additional hardware needed

SecureSync® Time and Frequency Reference System

SecureSync® Time and Frequency Reference System
  • Premium, GNSS-Based Time Server Platform
  • Nano Second Accuracy Time &Frequency Synchronization
  • High Performance Internal Oscillators
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