Well,  what now gets shown / plotted depends upon the receiver type.

For Thunderbolts the standard plots are the DAC (EFC) volatge,  temperature 
sensor reading,  and the PPS and OSC offset values from the primary timing 
message (the OSC plot defaults to OFF since it generally looks like a lot of 
annoying noise).  If you cozy up with a copy of the Thunderbolt manual, you 
should be able to figure out that the various values shown mean.

Lady Heather calculates and displays plots of the ADEV values of the PPS and 
OSC readings.  These don't have a whole lot of correlation to true ADEV values 
since they are not referenced to an independent reference (the idea for 
including the ADEV stuff was to eventually interface to an external time 
interval counter).  Despite that,  the ADEV values can give you and idea of how 
well the unit is working (particularly when the unit is configured with 
disciplining turned off).   
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