GeoMax Zenith60 Series - The Antenna Reference Plane, ARP

2.6 The Antenna Reference Plane, ARP
The Antenna Reference Plane:
•
Is where the instrument heights are measured to.
•
Is where the phase centre variations refer to.
•
Varies for different instruments.
The ARP for the Zenith60 is shown in the diagram.
23000_001
a
a The Antenna Reference Plane is the
underside of the thread.
Description
ARP
15
Description of the System