The Surveying Laboratory and Survey Instrumentation Lab provides service of equipment check-in/out, maintenance and production of special accessories in support of teaching and research activities in the department. The laboratory has a variety of surveying equipment, including total stations, precise level instruments, GPS receivers, hydrographic surveying systems, laser scanners. A GPS base station has been installed for many years to support student's experiments. Two GPS scintillation monitored have been installed in Hong Kong this year to monitoring low latitude ionosphere scintillations during current solar active period.