AtoN

AIS Aid to Navigation

provide location an identification of buoys, beacons or floating objects to nearby vessels on AIS chart display in real-time

AIS AtoN Transceiver

A20004 easyAtoN Type 3

AIS Aid to Navigation transponder 

 

AIS transceiver used as Aid to Navigation station to provide location and identification of buoys, beacons or floating objects to nearby vessels on AIS chartplotter in real-time.

easyAtoN Titelbild

AIS AtoN Transmitter

A19302 easyAtoN Type 1

AIS Aid to Navigation transmitter

 

An AIS transmitter used as a “navigation aid” to provide the location and identification of buoys, lights and markers to nearby vessels and show them in real time on AIS chart displays.

A19302 easyAtoN type1 Titelbild

Types of AtoN

Real AIS AtoN

A physical navigation aid on which an AIS transmitter is mounted and from which AIS messages are sent.

Synthetic AIS AtoN

A physical navigation aid without an AIS transmitter, but for which AIS messages are sent from another (usually land-based) location.

Virtual AIS AtoN

A non-physical navigation aid for which AIS messages are sent from another location.

TDMA ACCESS SCHEMES

RATDMA

Random Access Time Division Multiple Access

This access scheme is used when a station needs to allocate a slot, which has not been pre-announced.

FATDMA

Fixed Access Time Division Multiple Access

This access scheme is manually managed. The AIS devices are pre-configured to use specific TDMA (Time Division Multiple Access) slots for all transmissions. FATDMA is used only for AIS base stations and AIS AtoN stations.

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