1. GBT Status: Current Observing Capabilities

2. Telescope Performance - Pointing
All-sky pointing rms ~ 10”
Tracking stability rms ~ 2”
(5” peak-to-peak)

3. Telescope Performance – Focus Tracking
Empirical Model
PF (800 MHz)
Gregorian (X-band)

4. Telescope Performance - Surface
70% efficiency at long wavelengths
~60% efficiency at 20 GHz

5. Frequency Coverage

6. Observing Modes Continuum (DCR) Pulsar (SP; BCPM; GBPP) Spectral Line
(SP; Spectrometer)
Camilo et al. (2002)
Lockman (2002)
GB Staff
Radar (PFS)
VLBI (VLBA)
Campbell et al.

7. Spectrometer Modes