Articles tagged with: BRIG M C DHAMIJA (RETD)

Sep 2007 | Comments Off on Unconventional applications with single frequency DGPS

CURRENTLY the trend is that more and more project authorities are mandating use of GPS for control work and private surveyors have to comply with this requirement. Dual frequency DGPS have been beyond the financial reach of these surveyors as such most prefer to invest in single frequency DGPS, which cost almost one third the cost of dual frequency DGPS.