ANTENNA: antenna characteristics

Name Format Units Measure Comments Keywords

MAX_ANT TpInt # antennas Columns Coordinate information

ANTENNA_ID TpInt Key

ARRAY_ID TpInt Key Pointers

PHASED_ARRAY_ID TpInt Phased array

ORBIT_ID TpInt Orbit parameters Data

NAME TpString Antenna name

STATION TpString Station name

POSITION TpDouble(3) m POSITION Antenna X,Y,Z phase reference positions

POSITION_RATE TpDouble(3) m/s VELOCITY(?) Rate of change of position.

MOUNT TpString Mount type e.g. alt-az, equatorial, etc.

OFFSET TpFloat(3) m POSITION Axes offset of mount to FEED REFERENCE point

DISH_DIAMETER TpFloat m Diameter of dish

Notes:

POSITION

In a right-handed frame, X towards the intersection of the ITRF equator and the Greenwich meridian, Z towards the adopted mean position of the pole. The reference point is the intersection of the axes (az-el or ha-dec).