Views from top, bottom, and side:

Opened case and inside view:

Detailed view of RF front-end and DAC:

DC power through 0.1 inch connector is -12 (yellow), GND, +5, +5, GND(nc), +12 (purple):

PCB top and bottom views:

Detailed views of GPS receiver and CPU:

MCL splitter and messy bench with lab power supplies:

Thunderbolt with its original E911 -48 VDC cabinet power supply: