Added slew-time and time-on-source services for GBT & GBT Spectral Line, plus selector services for each (!340) · Merge requests · ssa / ttat

Completes STT-701.

Used Dana Balser's toy GBT Spectral Line time-on-target calculator for the time-on-source service.

Edited May 06, 2022 by Sam Kagan

Added slew-time and time-on-source services for GBT & GBT Spectral Line, plus selector services for each