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DELTA Quad
KAPPA Quad
PI Quad
CHI Quad
EPSILON Quad
LAMBDA Quad
RHO Quad
PSI Quad
15 Degree Time-Zones M-R (180 to 270E)
Sector = 1 Degree Square = ~60 x 60 km (@ Equator)
Tile = 6' x 6' ArcMinutes = ~6 x 6 km (@ Equator)
Click = 1' x1' ArcMinute = ~1 x 1 km (@ Equator)
Source: USGS & MarsX Plan