GBT Spectral Baseline Phenomena
Spectral Processor (40 MHz Ripple)
C-band (4-6 GHz) 48 MHz Ripple
X-band (8-10 GHz) Baseline Structure
L-band (1-2 GHz) Frequency Switching
K-band (18-26 GHz) Instabilities
Optical Fiber Modems (2.4 MHz Ripple)
OMT Resonances