Differential GPS during hydrographic surveys in 1990
Language: English Series: Land & Minerals Surveying ; 9(3) March 1991, 5-7(3)Publication details: 1991Subject(s): Summary: With the resumption of GPS satellite launches it was believed that at last, in 1990, the GPS would offer the RN Hydrographic Service a viable alternative to traditional land navigation systems. In late 1989 a tender exercise was conducted and a contract was let to Racal Marine Systems for the provision of three ship equipments and a Differential Service. This article describes the system and the results of an accuracy assessment carried out in March 1990.| Item type | Current library | Call number | Copy number | Status | Barcode | |
|---|---|---|---|---|---|---|
| Journal article | London Journal article | A149 (Browse shelf(Opens below)) | 1 | Available | 27292-1001 |
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With the resumption of GPS satellite launches it was believed that at last, in 1990, the GPS would offer the RN Hydrographic Service a viable alternative to traditional land navigation systems. In late 1989 a tender exercise was conducted and a contract was let to Racal Marine Systems for the provision of three ship equipments and a Differential Service. This article describes the system and the results of an accuracy assessment carried out in March 1990.