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$SPCX successfully launched and deployed $ASTS BlueBird 8, 9 and 10 into orbit without issue. Three more of the largest phased-array satellites ever deployed in LEO are now on their way to expanding AST SpaceMobile’s constellation.

186,028 просмотров • 3 месяцев назад •via X (Twitter)

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🚨 A SATELLITE JUST REVEALED SOMETHING SHOCKING: GPS JAMMING IS FAR MORE WIDESPREAD THAN ANYONE REALIZED. An experimental navigation satellite called Pulsar-0, flying just 500 km above Earth, has mapped GPS signal tampering from space for the first time and the scale surprised even the engineers who built it. As soon as the satellite passed over Europe and parts of the Middle East, its GPS receiver showed massive signal degradation. In the worst areas, signal strength dropped from a normal 40 decibels all the way down to just 10 decibels. Why this matters: • Ground-based jammers (used in conflicts like Ukraine and the Middle East) are now reaching all the way into low Earth orbit • Satellites like Starlink that rely on GPS for collision avoidance and positioning are being affected across a huge region from France to the borders of Pakistan • When GPS drops out, satellites can’t accurately point their antennas, maintain formation, or safely maneuver • This isn’t just a military problem it threatens the growing network of commercial satellites we increasingly depend on The deeper implication: We’ve long known that GPS signals on the ground can be jammed. What we didn’t fully appreciate is how far those jamming signals reach into space. Even satellites in low Earth orbit the backbone of global communications, Earth observation, and future mega-constellations are now operating in an increasingly hostile electromagnetic environment. Xona’s upcoming constellation aims to fix this with signals 100 times stronger than traditional GPS. But the bigger question remains: as more nations and groups weaponize jamming and spoofing, how resilient will our orbital infrastructure actually be? How concerned are you that GPS jamming is now reaching into space and affecting satellites? Follow for more frontier space technology and the hidden vulnerabilities of our orbital systems.

TheNewPhysics

50,100 просмотров • 2 месяцев назад

$ASTS My Massive Misunderstanding About BlueBird 6 Mea Culpa: I thought BlueBird 6 unfolded immediately. I was completely wrong. Here is the REAL timeline. 🛰️🤯 Like many excited investors, when I saw the notification that AST SpaceMobile's BlueBird 6 (BB6) successfully reached orbit, I imagined an immediate, dramatic transformation. I thought: "Rocket separates, boom, giant antenna pops open, let's start beaming 5G!" I couldn't have been more wrong. I just got a crash course in orbital mechanics, and here is my "aha!" moment. Unfolding a 2,400 sq ft array (the size of a tennis court!) immediately after ejection from a rocket is suicidal for a satellite. It would be like trying to open a massive parachute while tumbling out of a car on the highway. It would rip apart or spin out of control. The Reality: The "Space Origami" Wait The process is much slower, more deliberate, and nerve-wracking. Here is the actual, realistic timeline we need to watch over the next few months: Phase 1: The Deep Breath (Current Status - Next ~7 Days)Right now, BB6 is likely stabilizing its tumble, deploying solar panels for power, and undergoing full system "health checks." Ground control is ensuring the launch didn't break anything. No unfolding happens yet. Phase 2: The Great Unfold (Estimated Week 2-3)Once stable, the "space origami" begins. This is the most critical physical step. The massive array will slowly, methodically unfold and lock into place over several days. We wait for official confirmation that the array is fully deployed and rigid. Phase 3: Lighting Up the ASIC (Q1 2026)Only after a perfect unfold do they turn on the revolutionary AST5000 ASIC chips. The next few months are dedicated to end-to-end connectivity tests with partners like AT&T and Verizon. We are looking for data on real-world speeds (120 Mbps target) and stability. Space is hard, and patience is a requirement. The launch was just the commute to work; now the real job begins. 😊There is too much misinformation out there on $ASTS. If this thread helped clarify the reality, please RT to help others find quality due diligence #ASTS #ASTSpaceMobile #BlueBird6 #SpaceTech #OrbitalMechanics #SatelliteDeployment #5G #Telecom #Investing #LearningCurve #ASIC

Grey

62,362 просмотров • 8 месяцев назад

SpaceX has introduced a new website for its next-generation Starlink V3 satellites, along with new information about the satellite. • 1 Tbps downlink capacity (~10× higher than Starlink V2). • 160 Gbps uplink capacity (~22× higher than Starlink V2). • 2,048 downlink beams + 2,048 uplink beams (vs. 192 downlink/144 uplink beams on V2). • Upgraded phased array antennas enable the increased user capacity and beam count. • New SpaceX-designed beamformer chips power the phased arrays. • Modem chips handle ~64× more throughput per chip, allowing more efficient simultaneous service and real-time beam allocation based on demand. • Each satellite includes 6 high-capacity 400 Gbps laser links, enabling a redundant petabit-scale laser mesh network for global routing. • Each satellite also has 4 quad-band RF backhaul antennas operating across Ka, E, V, and W bands. • RF backhaul capacity increases to 1.2 Tbps (>8× Starlink V2). • Backhaul uplink supports 60 GHz of spectrum across frequencies and polarizations (4.3× more than V2). • New solar arrays generate ~2× the power of the V2 satellite arrays. • Solar arrays are manufactured using a continuous roll of solar blanket, cut into 19-meter sections, with 4 sections stitched together per array. • Solar arrays are optimized to reduce atmospheric drag in low Earth orbit. • A Starship launch carrying V3 satellites will deploy ~20× more network capacity than a Falcon 9 launch carrying V2 satellites. • V3 technology will support future Starlink Mobile Gen 2 satellites, delivering terrestrial-like LTE speeds directly to unmodified smartphones. Website:

Sawyer Merritt

242,948 просмотров • 2 месяцев назад

🇵🇰🚀 Pakistan Completes EO-3 Launch, Accelerating Its Satellite Constellation Drive Pakistan has successfully placed its PRSC EO-3 Earth Observation Satellite into orbit, marking a significant step in the country’s expanding space programme. The satellite, developed domestically by SUPARCO, was launched from China’s Taiyuan Satellite Launch Center, underscoring a model of local manufacturing supported by external launch capability. EO-3 completes a three satellite Earth Observation series: ◽EO-1 (2025) ◽EO-2 (February 2026) ◽EO-3 (latest launch) Together, they form the backbone of a planned integrated Earth Observation system aimed at improving data availability and coverage. Pakistan now operates 5+ Earth observation satellites, with most deployed in the last two years, highlighting a noticeable acceleration in activity. Officials describe the programme as part of a broader shift: 📡 From isolated missions → to a coordinated satellite network From external reliance → to increasing data independence 🚀 From slow launches → to a structured rollout strategy The EO-3 mission also reflects continued technical cooperation with China, particularly in launch services. With additional satellites expected in the coming years, Pakistan appears to be moving toward a multi satellite constellation designed for regular, wide area monitoring. The direction is clear: a steady build up rather than a one off achievement.

Defence Index

14,724 просмотров • 4 месяцев назад