What are the advantages and disadvantages of LEO and GEO?
What will be an ideal response?
LEO:
Advantage:
Reduced launch costs to place in low Earth orbit.
Much reduced pas loss,
Much shorter transmission delays.
Disadvantages:
When in the low orbit, satellite lifetime dramatically educed.
Short visibility from any point on earth demands large constellations.
Radiation effects reduce electronics lifetimes.
GEO:
Advantages:
Need no ground station tracking since its stationary.
It is permanently in view, no inter-satellite handoff.
Larger area of earth surface in view of one satellite, three satellites give full earth coverage
Almost no Doppler shift.
Disadvantages:
Long transmission latencies
Weak received signal
Does not provide good coverage at high latitude
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