Stratospheric HAPS Cell Coverage & Solar Airship Simulator

Position Vector 22.84° N, 142.15° W

Stratosphere Density 0.088 kg/m³

RF Horizon Path 505.2 km

Operational Telemetry Stable Station-Keeping

Cell Footprint Area

17671.5 km²

Power Balance Margin

412.5 W

Night Battery DoD

38.4 %

Subscribers Covered

145000 users

Stratospheric Parameters

Platform Altitude (HAPS) 20 km

Lower Stratosphere (15 km) Near Space (25 km)

Target Cellular Coverage Radius 75 km

30 km (Dense LTE/5G Beam) 120 km (Wide IoT / Relay)

Solar Panel Efficiency (Gallium Arsenide) 28%

20% (Standard Thin-Film) 34% (Multi-Junction Space Grade)

Cellular Base Station & Payload Power 1500 W

800 W (Low-Power Carrier) 2500 W (High-Throughput MIMO)

Stratospheric Wind Velocity 45 km/h

10 km/h (Benign Stratopause) 90 km/h (Jet-Stream Fringe)

Planned Mission Duration 72 hours

24 hrs (Test Loiter) 240 hrs (10-Day Endurance)

Stratospheric Physics Engine: Computes daylight solar generation against propulsion station-keeping thrust in thin air (ρ ≈ 0.088 kg/m³). RF coverage is bounded by geometric line-of-sight and ground elevation angles for standard 4G/5G handsets.