SLA_PVOBS - Observatory Position & Velocity   

ACTION:

Position and velocity of an observing station.

CALL:

CALL sla_PVOBS (P, H, STL, PV)

GIVEN:

P latitude (geodetic, radians)

H D height above reference spheroid (geodetic, metres)

STL D local apparent sidereal time (radians)

RETURNED:

$$[\,x,y,z,\dot{x},\dot{y},\dot{z}\,]$$ PV

NOTE:

IAU 1976 constants are used.