Conclusion & Recommendations
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ADS-B NETWORK SAS
Conclusion & Recommendations · White Paper 2026
✅ Conclusion · March 24, 2026 · v2.0
Split view: thriving underground datacenter vs desolate orbital graveyard, Earth magnetosphere visible
Conclusion · Final Verdict · v2.0

Earth First, Space Later —
The Final Verdict

Underground geothermal: build now. Orbital edge: niche only. Lunar scientific: 2045+. Eight physical and economic reasons. One clear choice.

8reasons: physics, economics, SLA, Kessler, solar, memory, lifecycle, raw materials
Underground: build now
0/MWh · SLA 99.999% · Proven ROI
⚠️
Orbital edge: niche
Debris telemetry · Defence · Not mass-market
🔭
Lunar: science 2045+
Far-side telescopes · After validation
Lunar mass-market
No timeline · No solution · No SLA
Conclusion · Final Chapter

The Verdict — Physics, Economics and Common Sense

TERAfab is spectacular. The physics is non-negotiable. The verdict is clear.

Recommended Now
🌍 Underground Geothermal
0/MWh geothermal energy 24/7
Full magnetosphere + rock protection
99.999% SLA — insurable — enforceable
Technician on site in 30 minutes
Modular GPU refresh — on-site, hours
District heating valorisation
✅ BUILD NOW · Proven ROI
Edge Only — Niche
🛰️ Orbital Edge Computing
Satellite-to-satellite telemetry
Orbital debris coordination
⚠️Defence/sovereignty edge inference
Not for mass-market AI workloads
No insurable SLA for enterprise
GPU refresh = full constellation replace
⚠️ NICHE USE CASES ONLY
Scientific · 2045+
🌕 Lunar — Science Only
Far-side telescopes (2045–2060)
Asteroid detection systems
Mass-market: undefined horizon
>60% landing failure rate today
No magnetosphere — full LEO exposure
🔭 SCIENCE · 20–30 YEAR HORIZON
Recommendations · v2.0

Action Items by Stakeholder

💼
Investors & Decision-Makers

Require full lifecycle cost models: TMR, constellation refresh (2–3 yr), debris management, SLA absence, Kessler risk quantified. Require explicit GPU/MRAM renewal cycle modelling — economic obsolescence at 2–3 years vs physical lifespan at 5–6. Prioritise underground geothermal before any space investment for mass-market. Commission legal analysis on orbital asset liability before signing any space colocation agreement.

🏛️
Public Authorities & Regulators

Establish binding international orbital data exchange protocol (fuel, health, trajectories) under ITU supervision. Condition mega-constellation licences on funded debris removal plan. Develop commercial liability framework for private space assets independent of 1967 Treaty. Require critical materials impact assessments (In, Ta, Ge, Co) for any constellation exceeding 10,000 satellites. Invest in national EGS geothermal programme for critical infrastructure energy security.

🔬
Technical & Scientific Community

Publish 25-year comparative TCO studies: orbital vs underground geothermal, explicitly modelling the GPU/MRAM renewal paradox. Develop rad-hard qualification protocols compatible with 7–10nm nodes. Publish peer-reviewed critical raw material (In, Ta, Ge, Co) consumption assessments for various constellation refresh scenarios. Continue lunar lava tube research for scientific hosting — without commercial rush.

🛡️
Insurers — NEW v2.0

Develop actuarial frameworks for orbital asset risk: distinguish Kessler-triggered total loss, solar CME damage, and scheduled decommissioning. Quantify the insurability threshold for GPU refresh cycle transition periods in a 1M-satellite constellation — currently assessed as not insurable. Engage ITU and national space agencies to establish minimum technical standards (remaining propellant, collision avoidance capability) as preconditions for any future orbital SLA liability product.

v2.0 Addition · March 24, 2026

What Version 2.0 Adds: The Lifecycle Verdict

Version 1.0 identified the physics. Version 2.0 quantifies the economics of time. The result is more damning.

Argumentv1.0 Statusv2.0 Addition
Radiation constraintsEstablished ✅Confirmed — 100–400 mSv/yr LEO vs <1 mSv underground
Kessler riskEstablished ✅NEW: 40,000 maneuvers/day quantified — fuel exhaustion before hardware failure
SLA impossibilityEstablished ✅NEW: GPU refresh cycle creates uncharted SLA transition events — no legal framework
Rad-hard memory gapEstablished ✅NEW: MRAM supply gap quantified — 4 orders of magnitude — market does not exist
GPU/MRAM lifecycle paradoxNot in v1.0 ❌NEW: 2–3yr economic cycle vs 5–6yr physical lifespan = permanent capital destruction
Raw materials finite supplyNot in v1.0 ❌NEW: In, Ta, Ge, Co — geopolitically concentrated, unmodelled in all FCC filings
Starship launch mathNot in v1.0 ❌NEW: 25,000 flights/year for 100 GW = 362× currently approved capacity
Insurer recommendationNot in v1.0 ❌NEW: Actuarial framework required before any orbital SLA product can exist
Final Word

The challenge of our generation is not to colonise space for data storage. It is to intelligently manage what we have already built, to avoid repeating in space the organisational failures we have not yet corrected on Earth, and to build infrastructure that is resilient to the real threats of this century: climatic, military, and solar. The most advanced technology is sometimes the one that knows where it belongs.

— Laurent Duval, CEO ADS-B NETWORK SAS · March 24, 2026 · White Paper v2.0
🛰️
Laurent Duval
CEO — ADS-B NETWORK SAS · Rennes, Brittany, France
40 years · Embedded systems · Polar vessels · Aerospace surveillance
[email protected]
Personal opinions only · Version 2.0 · March 24, 2026
📄 Download White Paper v2.0 — EN (.docx)