The design, construction and testing of Loran-C from a drifting buoy
Citable URI
https://hdl.handle.net/1912/9608DOI
10.1575/1912/9608Keyword
Oceanographic buoys; LoranAbstract
A low-windage, current-following spar buoy system
containing an automatic Loran-C navigation receiver and a
single sideband transmitter with associated control
circuitry is described. The Loran-C unit acquires and
tracks Loran-C signals and, at intervals controlled by an
onboard timer, produces a digital message which modulates
the transmitter. The transmitter sends this message via
a radio telemetry link to a base or ship receiving station
where it is decoded. The decoder displays the message
contents in the form of Loran-C time differences representing
two lines of position, and thus a geographic fix. The
system enables the position of the buoy to be tracked as it
drifts with the current and thus serves as an instrument
in measuring surface and near-surface current transport.
A physical description, details of electrical and mechanical
design, and test results, are documented in this report.
Feasibility of the system was proven, and a pre-prototype
system built and tested.
Suggested Citation
Collins, C. W., & Walden, R. G. (1980). The design, construction and testing of Loran-C from a drifting buoy. Woods Hole Oceanographic Institution. https://doi.org/10.1575/1912/9608Related items
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