Memorex RX 1 Smart Installationshandbuch PDF herunterladen (Seite 236)

Simrad MX500 | 235

Appendix F - Glossary

AIS - Automatic Identification System.

A shipboard broadcast transponder system in which ships

continually transmit their ID, position, course, speed and

other data to other nearby ships and shoreline authori-

ties on a common VHF radio channel.

ALARM

Message by which the navigator signals the occurrence of

an event. The alarm is indicated by an audible tone and/

or a message (or icon) on the display.

ALMANAC

Library of coarse satellite orbital characteristics used to

calculate satellite rise times, set times, angles of eleva-

tion, etc. Almanac data is valid for 181 days.

ALTITUDE

The height of the antenna relative to the WGS-84 elipsoid

and geoidal height.

AMBIENT

Surrounding or encompassing environment.

ANTENNA HEIGHT

The height (over the waterline) in which the antenna is

installed. This value is used in 2D mode only.

ATMOSPHERIC PRESSURE

See BAROMETRIC PRESSURE.

APPARENT WIND ANGLE (AWA)

The angle of the wind as measured on the moving vessel

relative to the heading of the vessel. An AWA of 0° indi-

cates a wind from straight ahead, whereas 180° indicates

a wind from straight astern. An AWA of 90° indicates a

wind perpendicular to the vessel from its starboard side.

APPARENT WIND SPEED (AWS)

The speed of the wind as measured on the moving ves-

sel.

1 2 ... 231 232 233 234 235 236 237 238 239 240 241 ... 261 262

Keine Kommentare

Memorex RX 1 Smart Installationshandbuch Seite 236