The detail of the antenna of the differential GPS base station used as a static point for sending the correction signal to get the high precision Stock Photo - Alamy
Furuno GPS/DGPS Antenna w/ 10m Cable
Fail Of The Week: How Not To Build Your Own DGPS Base Station | Hackaday
Raymarine E32003 Raytheon RAYSTAR 114 DGPS Combined Differential GPS A – Second Wind Sales
The concept of Differential GPS | Download Scientific Diagram