TIME & FREQUENCY SOLUTIONS » Non classé

In Link 16 and Link 22 networks, accurate timing is just as critical as the data itself.

christophe David — Wed, 29 Jul 2026 11:54:31 +0000

Tactical data links such as Link 16 and Link 22 rely on one fundamental requirement: every participant must share the same highly accurate time reference.

Without precise synchronization, the consequences can be significant:
• TDMA timeslot misalignment
• Loss of network synchronization
• Reduced operational performance
• Interoperability issues between platforms

That’s why a resilient and accurate time reference is a cornerstone of any mission-critical architecture.

The TimeLink TMG5121 is specifically designed to provide this trusted timing source. Disciplined by a dedicated multi-constellation GNSS receiver, it incorporates a high-stability OCXO oscillator that ensures excellent holdover performance whenever the external reference is temporarily unavailable.

The TMG5121 can simultaneously generate up to 8 programmable outputs, including:
✔ STANAG 4430
✔ STANAG 4372
✔ ICD-GPS-060 Have Quick
✔ IRIG-B
✔ 1 PPS
✔ NMEA ZDA

It also provides NTP services together with HTTP/HTTPS and SNMP monitoring, making integration into modern command-and-control and mission systems straightforward.

Whether deployed in a command center, aboard a naval platform, on an airborne system, or within a test and integration laboratory, a reliable time reference is essential to maintaining synchronized tactical communications.

TMG5121 — Delivering the precise timing that keeps Link 16 and Link 22 networks operating seamlessly.

#Defense #Link16 #Link22 #TacticalDataLinks #Timing #Synchronization #GNSS #NTP #IRIGB #HaveQuick #STANAG4430 #STANAG4372 #MissionCritical #CommandAndControl #TimeLink

Introducing the TMC2205 – PCIExpress synchronisation card by TimeLink Microsystems

christophe David — Wed, 29 Jul 2026 09:54:13 +0000

In mission-critical environments, precision is not optional — it’s essential.

The TMC2205 from TimeLink Microsystems is a high-performance GNSS-disciplined time synchronisation PCIExpress board designed for applications requiring stability, accuracy and reliability.

GNSS multi-constellation synchronization (GPS, Galileo, GLONASS, BeiDou)
Ultra-stable OCXO oscillator with excellent holdover performance
1PPS, IRIGB DCLS, HQ, NMEA generation
Robust architecture for industrial applications
Driver included

When synchronization accuracy directly impacts performance, safety, and mission success, the TMC2205 delivers a reliable and scalable solution.

Looking to upgrade or design a precise timing architecture?

Let’s connect : https://lnkd.in/enKxXjJA

#TimeAndFrequency #GNSS #DefenseTechnology #SpaceSystems #GroundStation #Synchronization #TimeLink

Broadcast Time synchronisation

christophe David — Fri, 10 Apr 2026 19:04:59 +0000

Time synchronization is crucial in broadcasting to ensure that all components of a broadcast system operate in perfect coordination. This synchronization is essential for maintaining audio and video quality, ensuring accurate timestamps, and avoiding disruptions in live broadcasts. Here are some key considerations for time synchronization in broadcast:

Precision Time Protocol (PTP): PTP, as defined in IEEE 1588, is a widely used protocol for time synchronization in broadcasting. It offers high-precision synchronization by synchronizing all devices on a network to a common time source, usually a GPS-based clock. PTP allows for sub-microsecond accuracy, making it suitable for applications like live broadcasts where precise timing is critical.
Network Time Protocol (NTP): NTP is another time synchronization protocol often used in broadcasting, although it typically provides less precise synchronization compared to PTP. It’s suitable for applications where sub-microsecond accuracy is not required.
GPS Timing: Many broadcast facilities rely on GPS (Global Positioning System) as a primary source of timing information. GPS receivers can provide extremely accurate time signals, which are used to synchronize all devices within a broadcast facility.
Black Burst and Tri-Level Sync: In video production, especially in studios, black burst and tri-level sync signals are used to synchronize video cameras, monitors, and other equipment. These signals ensure that all video sources are in perfect sync, which is essential for seamless switching between cameras and maintaining video quality.
Word Clock: In audio production, word clock signals are used to synchronize digital audio equipment such as mixers, audio interfaces, and digital recorders. Word clock ensures that audio devices sample audio at the same rate and remain in perfect sync.
Redundancy: Broadcast facilities often implement redundant time synchronization systems to ensure continuity in case of a failure. Redundant timing sources and failover mechanisms help prevent disruptions in live broadcasts.
Monitoring and Maintenance: Regular monitoring and maintenance of time synchronization systems are essential to ensure they remain accurate and reliable. Any drift or anomalies should be detected and corrected promptly.
Timestamping: Accurate timestamping of video and audio frames is crucial for post-production and synchronization in the broadcast workflow. Timestamps help align audio and video elements during editing and broadcasting.
SMPTE Timecode: SMPTE timecode is a standardized method for encoding timing information in video and audio signals. It’s widely used in broadcasting to ensure synchronization between different media sources, including cameras, audio recorders, and video playback devices.
Frame-Accurate Playout: Broadcast automation systems and playout servers need to ensure frame-accurate playback of content. Accurate time synchronization is vital to achieve this, particularly in live broadcasts.

In summary, time synchronization in broadcast relies on various technologies and protocols, including PTP, NTP, GPS, black burst, word clock, and SMPTE timecode. These methods ensure that all equipment in a broadcast facility operates in perfect coordination, guaranteeing the quality and accuracy of the broadcast content.

Le saviez vous ?

christophe David — Wed, 25 Jun 2025 13:22:35 +0000

Le BIPM (Bureau international des poids et mesures) récupère les données d’un ensemble d’horloges atomiques réparti dans le monde regroupant ainsi plus de 80 laboratoires et en déduit le temps UTC. Le temps est ainsi ajusté en permanence de quelques nanosecondes, ce qui permet d’aligner l’ensemble des systèmes mondiaux de distribution du temps.

Pour plus d’information : www.timelinkmicro.com

Occitanie TimeLink reconnue pour son expertise

christophe David — Mon, 16 Jun 2025 08:24:08 +0000

TimeLink dans le Figaro : 15 entreprises reconnues pour leur expertise

Youtube tutorial Time server setup

christophe David — Wed, 03 Jul 2024 12:54:15 +0000

Please check our latest TMG4200 quick setup tutorial : TMG4200 tutorial

Count down basic or modular clocks

christophe David — Tue, 26 Mar 2024 12:28:34 +0000

Timelink has developed a strong expertise in implementing launch or event accurate countdown clocks. Countdown time information can be implemented over Different flavor of IRIGB signals or IP messages.
Different type of Clocks are available, either basic 1U clock featuring a few signals or Modular 3U clock featuring a choice of several modules depending on the needs.

Please contact TimeLink for detailed information : Phone:+33 5 62 87 10 70
E-mail:pv@timelinkmicro.com

What is a Launch Countdown

christophe David — Tue, 26 Mar 2024 12:23:40 +0000

A launch countdown is a carefully orchestrated sequence of events leading up to the launch of a rocket or spacecraft. The countdown involves a series of checks, procedures, and milestones to ensure that all systems are functioning correctly and that it’s safe to proceed with the launch. Here’s a simplified overview of a typical launch countdown:

T-Minus Hours: Several hours before launch, the countdown typically begins. This phase involves final preparations and checks. Fueling of the rocket may start during this time.
T-Minus 4 Hours: The launch pad is cleared of all personnel, and the rocket is fueled with the required propellants, such as liquid fuel and oxidizer.
T-Minus 1 Hour: The rocket’s guidance systems are activated and tested. Weather conditions are closely monitored to ensure safe launch conditions.
T-Minus 10 Minutes: The final “go/no-go” decision is made. All systems are checked, and if everything is in order, the countdown proceeds.
T-Minus 5 Minutes: The rocket’s engines are ignited, but the vehicle remains on the launch pad with its hold-down clamps engaged. This stage is known as the “engine start” phase.
T-Minus 3 Minutes: The rocket is released from its hold-down clamps, and it begins to rise off the launch pad.
T-Minus 0 (Launch): The rocket’s engines are fired at full power, and it lifts off from the launch pad, beginning its journey into space.
Post-Launch: After liftoff, mission control closely monitors the rocket’s trajectory and systems to ensure a safe ascent into orbit or on its planned trajectory.

Throughout the countdown, there are numerous built-in holds, which allow for troubleshooting or adjustments if any issues arise. The launch countdown is a highly coordinated and critical phase of any space mission, as it ensures that the rocket and its payload are launched safely into space.

The specific details and duration of a countdown can vary depending on the rocket and mission, but the sequence described above provides a general idea of how a launch countdown is conducted.

Secure Serial/IO to IP converter

christophe David — Tue, 26 Mar 2024 12:20:28 +0000

TMB300 implements a bridge between a serial link or a discrete input and an IP network. It is highly secure thanks to crypted and authenticated IP communication. Man in the middle replay is also managed.

Typical applications are :

Alarm management.
Serial monitoring converted to Network IP monitoring.
remote IO control.

Please contact TimeLink for detailed information : Phone:+335 62 87 10 70
E-mail:pv@timelinkmicro.com

Resilient (Rubidium+GNSS) Ground Teleport/Space station Solution

christophe David — Wed, 01 Nov 2023 07:40:06 +0000

TimeLink is pleased to announce its 2nd generation high end solution for complex Satcom ground station.