Buoys

The Source Navigation Buoy is the result of a precise hydrodynamic design and testing effort to produce a buoy that will track with airgun arrays and provide a stable platform for navigation of seismic sources.

The buoys are self righting, stable in high seas, and have a wide tow speed range.
Ruggedly constructed from marine grade aluminum with closed cellular polyurethane foam fill, these buoys provide years of maintenance free operation. The steel tow bridle attachment points minimize wear, and zinc sacrificial anodes prevent galvanic corrosion. All exterior aluminum is oxide stripped, base primed, and painted with marine epoxy. Reflective material is added to the antenna mast for visibility at night. A through-hull conduit is provided to bring the electrical cable from the tow bridle to the deck. A hollow antenna mast serves to protect the antenna cable. Built-in skids allow tow aboard recovery, and provide stability on deck. Options include a strobe light, a second antenna mast, and an instrument compartment with waterproof hatch and shock mounting.

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Buoy Specs

BuoyNumber Buoy Type Description
BC-1K Oceanographic Data Can Buoy (Cellular or RF telemetry) 1m Dia can buoy with 3m tower, flasher, radar reflector, solar panels, and instrument/battery well.
BC-2K Oceanographic Data Can Buoy 1.3m can buoy for internal recording of oceanographic data with flasher and battery
BB-5K Ocean/Met. Catamaran Buoy (Cellular or RF telemetry) 3m catamaran buoy for high current sites. Equipped with RF or Cellular data telemetry, 6 bulb changer flasher, solar power, instrument/battery compartment, and radar reflector/daymark
BB-6K

Ocean/Met. Catamaran Buoy (Cellular or RF telemetry)

4.5m catamaran buoy for deep water, high current sites requiring a highly visible buoy. Can be equipped similar to the BB-5K
BD-4K Ocean/Met. Disc Buoy (Cellular or RF telemetry) 2m disc buoy for medium currents (<=2m/s). Equipped with RF or Cellular data telemetry, 6 bulb changer flasher, solar power, instrument/battery compartment, and radar reflector/daymark. Supplied in aluminum, steel, or self-defending foam construction.
BD-5K Ocean/Met. Disc Buoy (Cellular or RF telemetry) 3m disc buoy for high current and open ocean. Equipped similar to BD-4K

GPSGB Specs

Hull Length 5’0”
Overall Length 6’3”
Draft 1’2”
Mean Antenna Height 3’6”
Height Overall 5’3”
Weight 175lbs
Displacement (max) 400lbs
Tow Speed Range (stable) 2-6.8 kts
Tow Speed (max) 7kts
Instrument Compartment optional

Worldwide Distributors

Specialty Devices Inc.
2905 Capital St.
Wylie Texas 75098

972-429-7240 office

European Distributors

Aquifer Advies bv
Ben ten Toom
Dr. Langeveldplein 6
3361 HE Sliedrecht
0184 – 413147
06 – 24745947

About SDI

For over 30 years, SDI has designed and manufactured bathymetric and sub-bottom survey systems, sediment coring devices, and other specialized survey systems. SDI also provides geospatial, geophysical, hydrographic, sub-bottom, and sediment sampling services.