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Questions tagged [ais]

Address Information Service (AIS), AIS products are raw database files made available to customers to enhance address standardization and/or obtain detailed address information.

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Stop detection on a dataset of (id,geometry points,timestamp) to be transformed into meaningful trajectories

My pretty large dataset consists of AIS transmitted messages. I load the dataset to a table in my db. Among other columns in this table, there are a longitude and a latitude column. I already ...
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0answers
56 views

Open CPN AIS Integration into QGIS

Can AIS marine traffic live vessel data be integrated into QGIS? I understand this could be possible using an OpenCPN plugin and Grass.
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0answers
76 views

extshape arrows to show ais vessels. MultiLinestring alternative

I have tried to use the extshape://arrows new feature as shown in this blog post. This works quite well, but I tried to dynamize the parameters as in MultiLineString WKT syntax to dimension the ...
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73 views

Creating Aeronautical maps covering entire Colombo Flight Information Region (FIR)? [closed]

ICAO need Aeronautical maps in WGS84 Coordinate System but in ArcGIS length can't be given or measure as it's a GCS. In Sri Lanka we have SLD99(EPSG5233), Kandawala/Sri Lanka Grid(EPSG5234) and ...
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0answers
97 views

Understanding Latitude Jumps

I'm decoding some AIS messages and outputting KML files showing routes. Looking at some ships in the Adriatic Sea there are some weird Latitude jumps that I don't understand. http://oi60.tinypic.com/...
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1answer
578 views

AIS directly on QGIS

I'm looking to have AIS data ( Carbon + from True Heading) in real time on QGIS. From AIS I got the data as following: !AIVDM,1,1,,A,35?7p455h53k<LH>;dR`wbgoP000,0*7F After using a specific ...
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3answers
11k views

How to interpret a Raw AIS data sample

I found a file that contains about 85,000 messages (3 minute live AISHub feed), but I can't make heads or tails of it. http://www.aishub.net/nmea-sample.html !AIVDM,1,1,,A,13aEOK?...
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0answers
276 views

AIS Data Transformed or CVS Format

I am looking for AIS Shipping Route Data. I have not had much luck finding it in either SHP format or even in CVS format does anyone have a real good source of finding this type of data? To add to my ...