Difference between revisions of "Types of service"

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[[Category:Alphabetical Index]]
[[Category:Alphabetical Index]]
[[Category:IALA Dictionary 1970-89 Edition]]
[[Category:IALA Dictionary 1970-89 Edition]]
[[Category:IALA Dictionary 2023 Revision]]

Latest revision as of 13:02, 4 February 2024

4-2-025

1. Beacon service

A service provided independently of weather conditions, the station transmitting signals at certain fixed times daily or continuously.

Reference: A.L.R.S. (modified)


2. Clear weather transmission

Signals transmitted during clear weather by a station whose service is extended during periods of fog or low visibility.


3. Fog service

The service provided by a radio beacon as an aid to navigation during periods of fog or low visibility.


4. Calibration service

A service provided for the purpose of calibration of direction finders.

Reference: A.L.R.S. (modified)




Please note that this is the term as it stands in the original IALA Dictionary edition (1970-1989)