Lesson 6 of 6 · Planning resilient national communications
National communications: planning resilience
8 minute lesson · 3 checks along the way
Your goal for this lessonEvaluate a proposed communications satellite as part of a complete service architecture.
In this lesson 3 sections · 3 checks
Using archive links & definitions
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Read & understand
A public infrastructure decision
In June 2026, the Philippine Space Council approved a resolution to establish a geostationary telecommunications satellite. PhilSA described emergency backup and continuity of government services as important purposes. The resolution is a policy milestone. It does not itself document a completed spacecraft, launch or operating national service, and those later stages need their own records.
This initiative should remain separate from historical Mabuhay communications using Agila 2 and the modern Astranis–Orbits partnership using AGILA. Similar national objectives do not make these the same spacecraft or the same commercial arrangement. Keeping their identities distinct makes it possible to compare responsibilities, service aims and evidence without transferring achievements from one program to another.
Check 1 of 3
10 pointsUse the reading above. You can try again without losing points.
Read & understand
Resilience belongs to the whole connection
Imagine a fictional coastal emergency office whose fibre link fails during a storm. A satellite terminal can provide another path, but only if the terminal has power, a suitable view, compatible equipment and access to the service. If both paths depend on the same flooded electrical cabinet, the supposed backup still has a . Two network diagrams are not necessarily two independent working services.
A geostationary spacecraft stays near a fixed direction in the sky for a ground observer. That supports a different antenna and coverage arrangement from a moving low-orbit spacecraft. Distance also contributes to signal delay. The architecture should be chosen around the required tasks, capacity, coverage and recovery needs, rather than assuming that a particular orbit automatically solves every connectivity problem.
From approved plan to resilience
Original teaching diagram. Development milestones. Requirements and procurement. Launch and commissioning. Service evidence. Working ground dependencies. Exercises under disruption. Two links sharing the same failure can still leave users disconnected.
Open full-size diagram in a new tab: From approved plan to resilienceCheck 2 of 3
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Read & understand
Turn an ambition into testable requirements
For the fictional office, a useful requirement might specify which messages must get through during an outage, how quickly operators can switch paths and how long local backup power must last. A drill should include the people and ground equipment involved. Testing only the satellite link under ideal conditions could miss an inability to start the terminal during the real failure scenario.
Reporting should distinguish an approved plan, a procured system, a commissioned link and a service proven in representative exercises. Each milestone answers a different question. Public infrastructure also needs maintenance, trained operators and arrangements that survive staff changes. The lesson connects the earlier industry, training and ground-station topics: a national communications capability is assembled from many functioning parts, and resilience is demonstrated by their behavior together when ordinary conditions break down.
Check 3 of 3
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Put it together
Your lesson progress
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