The table below provides a comparison between these standards, using any one value for all three methods. It is more accurate than CEP , but less accurate than 2drms . Mathematically, it is a second deviation of the rms standard. If We Have Answered Them Here. The electronics have been vibration-tested and sealed in epoxy for further protection.
Accidents can and do happen.
This is a standard component on each GPS receiver. If in doubt, just cover the unit with a plastic sheet to prevent water from being forced into the connectors. If the connectors are different, either the differential correction source or Red Horse Technologies may be able provide an inexpensive cable to link both units together.