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donmcgee

Telesat Optimizes Lightspeed Constellation with Dedicated Military Ka-Band Spectrum

March 18, 2026 by donmcgee

On Tuesday, March 17, 2026, Telesat (Nasdaq and TSX: TSAT) announced a major strategic update to its Lightspeed Low Earth Orbit (LEO) constellation, adding 500 MHz of military Ka-band (Mil-Ka) spectrum to its initial 156 satellites. The decision, revealed during the company’s Q4 2025 earnings call, targets the surging demand from NATO and allied defense departments for secure, sovereign, and interoperable communications.

The reallocation represents 25% of the total spectrum on which Lightspeed will operate. Because the Mil-Ka frequencies are immediately adjacent to the constellation’s existing commercial Ka-band, Telesat confirmed the change will not impact the deployment schedule and carries a modest incremental cost of approximately $25 million—less than 0.5% of the total program budget.

Strategic Pivot to Sovereign Defense

The move signals Telesat’s aggressive pursuit of the “Sovereign-Commercial Nexus,” where commercial LEO networks are increasingly integrated into national defense architectures. This shift is highlighted by Telesat Government Solutions’ recent award in February 2026 under the U.S. Missile Defense Agency’s $151 billion SHIELD IDIQ program.

By dedicating 500 MHz to Mil-Ka, Telesat is positioning Lightspeed as a LEO-based alternative or supplement to traditional Geostationary (GEO) Mil-Ka systems, which allied governments have historically relied upon for mission-critical command and control.

Technical Implementation and Hardware Compatibility

The integration of Mil-Ka spectrum will specifically replace an equivalent amount of commercial Ka-band on the user link, while the gateway links remain unaffected.

  • Spectrum Reallocation: 500 MHz of dedicated Mil-Ka.
  • Compatibility: Designed for interoperability with national networks, enabling coalition partners to maintain shared mission-critical connectivity.
  • User Terminals: Military-compatible terminals, including the ALL.SPACE multi-orbit terminals currently under collaboration, will be available concurrently with commercial hardware at service commencement.

Schedule Adjustments and ASIC Development

Despite the spectrum change not affecting the timeline, Telesat did announce a slight delay in its overall global commercial service launch. Initially expected by late 2027, the company now targets Q1 2028 for full global service.

The three-month shift is attributed to the development timeline for the SatixFy Application-Specific Integrated Circuits (ASICs) that power the satellite payloads. Following MDA Space’s acquisition of SatixFy’s digital payload division, Telesat noted that MDA has significantly bolstered the technical resources available to finalize the chip design.

“The addition of Mil-Ka to Telesat Lightspeed will result in a substantial increase to the current global supply of Mil-Ka capacity,” said Dan Goldberg, Telesat’s President and CEO. “By integrating it with the already highly advanced Telesat Lightspeed network, the Telesat Mil-Ka capability is expected to have meaningfully superior performance characteristics relative to the Mil-Ka platforms that allied governments have historically relied upon.”

Timeline to Orbit

The launch cadence for Telesat Lightspeed remains on track for a high-intensity deployment cycle:

  • December 2026: Launch of the first two production satellites.
  • Throughout 2027: High-cadence launch schedule with a target of 96 satellites in orbit by year-end.
  • Q1 2028: Commencement of full global commercial and military service.

Filed Under: Featured, Uncategorized

Flexell Space and Kongsberg NanoAvionics Partner on Solar Arrays for Korean National Security Program

March 18, 2026 by donmcgee

On Wednesday, March 18, 2026, South Korean space energy firm Flexell Space and Lithuania-based Kongsberg NanoAvionics (NanoAvionics) announced the signing of a multi-million euro contract for the supply of kilowatt-class solar arrays.

The agreement supports a sovereign Low-Earth Orbit (LEO) national security satellite program currently under development by Hanwha Systems.

The partnership integrates NanoAvionics’ heritage in satellite bus manufacturing with Flexell’s specialized quality assurance and technical validation infrastructure. Under the terms of the deal, NanoAvionics will design and manufacture the deployable solar arrays, while Flexell—an in-house venture of Hanwha Systems—will perform final quality inspections and acceptance testing to meet the rigorous standards of the Republic of Korea (ROK) military.

Context: The 40-Satellite SAR Constellation

The contract is a critical component of South Korea’s broader push for domestic orbital reconnaissance capabilities. Hanwha Systems is currently competing for a 1.2 trillion won ($850 million) contract to build a 40-satellite Synthetic Aperture Radar (SAR) constellation for the ROK military.

This program, often referred to as the “K-LEO” constellation, aims to reduce the revisit rate for monitoring the Korean Peninsula to under 30 minutes. To meet the military’s strict mass requirements—targeted at sub-150 kg per unit—Hanwha has proposed an integrated “panel-type” design where the solar arrays are fused into a compact structure to maximize launch fairing density.

Advancing Next-Generation Photovoltaics

Beyond the immediate hardware supply, the two companies are exploring the integration of Flexell’s proprietary solar cell technology into NanoAvionics’ existing CubeSat and microsatellite platforms. Flexell is currently developing Copper Indium Gallium Selenide (CIGS) and perovskite solar cells, which offer:

  • Large-area scalability: Optimized for high-volume manufacturing.
  • Ultra-lightweight characteristics: Reducing total satellite mass without sacrificing power.
  • Cost Efficiency: Aiming to match the lifetime efficiency of traditional Gallium Arsenide (GaAs) cells at a lower production cost.

“This collaboration goes beyond simple component procurement and represents an important opportunity to further strengthen our quality verification capabilities,” said Taehun (Tim) Ahn, CEO of Flexell Space. “It will also serve as a meaningful milestone in accelerating the integration of our next-generation solar cells into actual satellite array systems.”

Strategic International Cooperation

For NanoAvionics, the deal solidifies its expanding presence in the South Korean market. The company has previously collaborated with the Korea Aerospace Research Institute (KARI) and the Institute for Basic Science. Atle Wøllo, CEO of Kongsberg NanoAvionics, noted that the contract serves as a model for strategic collaboration between domestic space technology firms and global platform providers.

The delivery of the flight-ready solar arrays is expected to begin in the second half of 2027. This timeline aligns with the scheduled deployment of the ROK military’s SAR constellation, which plans to launch its first units as early as late 2026 or 2027 following final hardware evaluations in October 2026.

Filed Under: Uncategorized

GomSpace Joins EDA Consortium to Develop VLEO Military Satellite Concept

March 17, 2026 by donmcgee

On Tuesday, March 17, 2026, GomSpace announced its selection as a key industrial partner in a €15.7 million research contract awarded by the European Defence Agency (EDA). The initiative, managed by the VLEO-DEF consortium, aims to develop Europe’s first dedicated military satellite concept for Very Low Earth Orbit (VLEO).

GomSpace’s specific portion of the contract is valued at €445,000 (approximately 4.8 million SEK). The project marks one of the first EDA-funded defense initiatives involving the Danish-headquartered smallsat manufacturer, signaling a shift toward specialized military applications for its platform.

Strategic Shift to Very Low Earth Orbit

The VLEO-DEF program focuses on an orbital regime between 250 and 350 km above Earth. Operating at these altitudes provides several tactical advantages for defense users compared to standard Low Earth Orbit (LEO). By flying closer to the surface, satellites can achieve higher-resolution imagery with smaller optical payloads and significantly reduced signal latency for intelligence, surveillance, and reconnaissance (ISR) missions.

However, VLEO presents significant engineering challenges, primarily atmospheric drag, which typically shortens mission life. The consortium will research propulsion and material technologies required to sustain prolonged operations in this dense orbital environment.

Consortium Structure and Governance

The VLEO-DEF consortium represents a multinational effort involving five EU Member States: Spain, France, Luxembourg, Portugal, and Slovenia. The group comprises 17 European industrial and research organizations.

GomSpace Luxembourg and its Advanced Mission team will lead the company’s technical contributions, focusing on autonomous mission operations and resilient system design. This involvement aligns with GomSpace’s broader strategy to expand its footprint within the European security sector.

“Our involvement in VLEO-DEF confirms GomSpace’s strategic direction: delivering high-performance, resilient space systems for defense customers, breaking ground on new advanced technologies like VLEO, and strengthening our footprint as a key European space industry partner,” said Edgar Milic, Vice President of Advanced Missions and Managing Director of GomSpace Luxembourg.

Technical Milestones to 2028

The research and technology project is structured to mature the satellite concept through 2028. GomSpace is scheduled to complete its assigned deliverables by the second half of that year. The findings from this study are expected to inform future EDA procurement for operational VLEO constellations, providing a blueprint for sovereign European ISR capabilities.

Filed Under: News

Kepler Commissions First NVIDIA-Powered “Cloud Infrastructure” Across Optical Constellation

March 17, 2026 by donmcgee

Kepler Communications announced the successful commissioning of distributed on-orbit computing across its Tranche 1 optical data relay constellation on Monday, March 16, 2026. This milestone transitions Kepler’s network from a high-speed data transport layer into a scalable, cloud-native processing environment, allowing customers to execute AI-driven workloads directly in orbit rather than relying on ground-based data centers.

The Hardware of Orbital AI

The “Kepler Compute” fabric is powered by 40 NVIDIA Jetson Orin modules, deployed as distributed edge GPUs across the ten satellites that make up the Tranche 1 “Aether” series. By integrating these modules with SDA-compatible optical inter-satellite links (OISLs), Kepler has created a decentralized compute cluster where workloads can scale dynamically across the constellation.

Component Specification
Compute Units 40x NVIDIA Jetson Orin Modules (4 per satellite)
Storage Terabytes of SSD-based onboard storage
Connectivity Real-time Optical Mesh (SDA & ESTOL compatible)
Architecture IP-based decentralized edge fabric
Deployment 10 Satellites (Tranche 1)

Overcoming the Downlink Bottleneck

Traditionally, Earth Observation (EO) and Signal Intelligence (SIGINT) operators have been limited by “downlink latency”—the hours-long wait for a satellite to pass over a ground station to dump raw data. By running NVIDIA CUDA-accelerated AI models directly on Kepler’s satellites, mission operators can perform:

  • Real-time Detection: Automated identification of wildfires, maritime anomalies, or military movements.
  • Data Optimization: Thinning massive imagery archives to transmit only “actionable pixels” to the ground.
  • Autonomous Tasking: Using on-orbit insights to automatically retask sensors without human intervention.

Strategic Context and Constellation Growth

The commissioning follows the successful January 2026 launch of the Tranche 1 satellites aboard a SpaceX Falcon 9. This deployment marks Kepler’s shift from technology pathfinders to a fully operational commercial network. The architecture is designed for high resiliency; if an individual satellite node becomes unavailable, the network’s software-defined routing can shift compute tasks to other nodes in the ring to maintain service continuity.

“By leveraging NVIDIA AI infrastructure in our optical network, data can be processed, routed, and acted on in orbit rather than waiting to return to Earth,” said Mina Mitry, CEO and co-founder of Kepler. “As we extend the scale of our infrastructure, this becomes a natural extension of terrestrial computing, enabling faster decision-making and new mission architectures.”

Tranche 2 and 100-Gigabit Links

Kepler plans to launch additional tranches every two years, with Tranche 2 scheduled for early 2028. Future tranches will introduce 100-gigabit optical technology and increased GPU density to support the growing demand for “Orbital Data Centers” (ODCs). This roadmap aligns with Kepler’s ongoing partnership with Axiom Space, which seeks to operationalize large-scale data processing for the first commercial modules of the Axiom Station.

Filed Under: Featured, News

Lynk Global Files for FCC Experimental License to Test Multi-Orbit D2D Relay

March 16, 2026 by donmcgee

Direct-to-Device (D2D) pioneer Lynk Global, Inc. has filed a request with the Federal Communications Commission (FCC) for an experimental license to begin technical validation of a first-of-its-kind multi-orbit relay architecture.

The application, accepted for filing on Monday, March 16, 2026, marks a critical step in Lynk’s strategic partnership with SES, aimed at utilizing Medium Earth Orbit (MEO) and Geostationary (GEO) assets to backhaul cellular traffic from Low Earth Orbit (LEO) “cell-towers-in-space.”

Solving the “Ground Station Gap”

Current D2D solutions, including those from SpaceX/T-Mobile and AST SpaceMobile, typically rely on a dense network of terrestrial ground stations to relay signals from satellites back to the public switched telephone network (PSTN). This requirement creates significant geographical limitations, particularly over oceans and in politically sensitive regions.

Lynk’s proposed experimental campaign seeks to bypass this bottleneck by testing inter-satellite links. Under the “multi-orbit, multi-spectrum” model, a user’s text or voice data is received by a Lynk LEO satellite, relayed upward to an SES mPOWER (MEO) or SES-17 (GEO) satellite, and then down-linked to an existing SES gateway. This approach potentially allows for “always-on” global connectivity without the capital-intensive deployment of thousands of new ground stations.

Merger Integration and Spectrum Expansion

The experimental request coincides with the finalization of Lynk’s merger with Omnispace. The combined entity, which will operate as Lynk Global Holdings, Inc., integrates Lynk’s operational LEO platform with Omnispace’s 60 MHz of globally coordinated S-band spectrum.

  • Frequency Bands: The testing will utilize S-band frequencies (2 GHz) compatible with 3GPP Non-Terrestrial Network (NTN) standards.
  • Network Depth: SES, a major shareholder in the merged company, provides access to over 70 satellites across MEO and GEO orbits.
  • Target Device: Unmodified standard 5G and LTE smartphones.

Strategic Validation

The FCC filing follows a series of successful 2025 field trials, including a notable demonstration in Portugal with MEO where Lynk proved its ability to provide two-way messaging and emergency alerts in remote maritime environments.

“The D2D market is entering a phase where reliability and guaranteed SLAs [Service Level Agreements] will separate the winners,” stated SES CEO Adel Al-Saleh during a briefing at MWC 2026. “By utilizing our multi-orbit edge, Lynk can deliver a lower-cost business case with higher resilience than LEO-only systems.”

Technical Objectives: The “Relay Payload”

The experimental license specifically covers the operation of a new “Relay Payload” slated for launch on Lynk’s next generation of “Tower” satellites. Key technical benchmarks include:

  • Latency Management: Measuring the round-trip delay of LEO-to-MEO-to-Ground paths for real-time voice applications.
  • Handover Stability: Testing the seamless transfer of a mobile session as LEO satellites move across the field of view of the MEO relay.
  • Interference Mitigation: Ensuring the high-power relay links do not disrupt adjacent terrestrial or primary satellite services.

Outlook for 2027

Pending FCC approval, testing is expected to begin in the third quarter of 2026. If successful, the multi-orbit relay function will become a standard feature of the “Lynk-Omnispace” constellation, which targets a 5,000-satellite deployment by 2030. This architecture is designed to provide broadband speeds directly to mobile phones, positioning the company to compete for the 5.2 billion existing mobile users globally who frequently traverse “not-spots” in terrestrial coverage.

Filed Under: Uncategorized

Titans of LEO in a Heavenly Price battle

March 12, 2026 by donmcgee

The global Low Earth Orbit (LEO) market has officially transitioned from a period of capacity scarcity to one of commoditization, This structural shift is driving a significant “pricing plunge” as established players like SpaceX’s Starlink face intensifying competition from Eutelsat OneWeb and the commercial ramp-up of Amazon’s rebranded “Amazon Leo” constellation.

Strategic Shifts in Orbital Connectivity

The transition marks a departure from the early 2020s, where “having capacity” was the primary market differentiator. According to the eighth edition of the Capacity Pricing Trends survey, the rapid expansion of mega-constellations has outpaced demand in several key regions, shifting the competitive battleground toward service integration and aggressive cost compression.

The report highlights that the entry of Amazon Leo—formerly Project Kuiper—into the commercial market in early 2026 has served as the primary catalyst for the current pricing battle. With Amazon now securing major reseller agreements, such as the February 2026 pact with MTN for maritime deployment, the market is bracing for a sustained drop in Average Revenue Per User (ARPU).

Historical Context and Market Maturation

The current landscape is the result of massive capital expenditure programs and strategic mergers initiated in 2023-2024. Eutelsat Group, following its merger with OneWeb, has pivoted toward a “hybrid” GEO-LEO model. This strategy aims to blend the high-capacity broadcast capabilities of geostationary assets with the low-latency advantages of LEO, a move reinforced by the appointment of Jean-François Fallacher as CEO in June 2025.

SpaceX remains the dominant force with roughly 9,500 working satellites in orbit, yet its focus has recently shifted toward vertical integration. Following the merger with xAI on February 2, 2026, the company is increasingly marketing Starlink as the primary conduit for space-based artificial intelligence, recently filing for an unprecedented “million-satellite” application to support orbital data centers.

Executive Perspective

“The market has fundamentally moved beyond capacity as a differentiator,” notes Grace Khanuja, Manager at Novaspace. “As supply expands and economics converge, the real battleground is end-user pricing and integrated service delivery. By accelerating this shift, Starlink is forcing the entire industry to rethink where and how value is created.”

Hardware and Network Specifications

To maintain margins in a falling price environment, operators are focusing on reducing ground segment costs:

  • Amazon Leo: Utilizing three hardware tiers, including the high-performance “Leo Ultra” (1 Gbps) and the “Leo Nano” terminal designed to make satellite connectivity more affordable for residential users.
  • Starlink: Leveraging Gen3 hardware with integrated “Edge” processing capabilities for enterprise users, reset by an aggressive cost structure targeting below $0.30 per gigabyte.
  • Eutelsat OneWeb: Currently adding 340 satellites to its fleet via a major contract with Airbus, targeting sovereign-grade connectivity and participation in the European IRIS² multi-orbit scheme.

Outlook for 2027 and Beyond

While consumers benefit from lower prices, the abundance of capacity has turned satellite internet into a commoditized service. Amazon faces a critical regulatory hurdle as it moves toward its July 2026 FCC mandate to have 50% of its initial constellation (roughly 1,618 satellites) operational. Meanwhile, Eutelsat is targeting LEO revenue growth of approximately 50% through 2027, banking on its position in the IRIS² project to secure long-term financial stability in an increasingly crowded orbital environment.

Filed Under: Uncategorized

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