Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
The list of the digital angle α', where the gantry was at real zero degrees, the digital angle β, where the air bubble was at the center of the level, and the digital angle γ, which is the angle's difference between the good surface and the surface suggested by the manufacturer.
| Machine | α' | β | γ |
|---|---|---|---|
| Varian 2100C | –0.1° | 0.2° | 0.3° |
| Varian 2100 C/D | 0.1° | 0° | –0.1° |
| Varian 600C/D | 0.1° | 0.1° | 0.0° |
