AbbreviationsRSS

Abbreviations

GRP

Glass Reinforced Plastic

GRS

Gears

GRT

Gross Registered Tonnage

Geological Survey/Supply Vessel.

GSB

Guaranteed Safe Berth

GSS

Geological Survey Ship.

GSV

Gross Standard Volume

GT

Gross Tons

H&M

Hull and Machinery

H2A

H2A Radio transmission designatorMbr>Telegraphy by the on-off keying of a tone modulated carrier, Morse code: single-sideband, full carrier. (ALRS)

H2B

H2B Radio transmission designatorSelective calling signal using a single frequency code, single-sideband, full carrier. (ALRS)

H3E

H3E Radio transmission designatorTelephony using amplitude modulation: single-sideband, full carrier. (ALRS)

H9W

H9W Radio transmission designatorComposite emission: single-sideband, full carrier; composite system with one or more channels containing quantized or digital information together with one or more channels containing analogue information (eg: combinatio ...

HA

Hatch.

HA

Hatch

Hazardous Material

NOAA's Hazardous Materials Response and Assessment Division

Hazardous Materials

HB

Hopper Barge

HBL

Hydrostatically Balanced Loading