aiscat

library0.68.12pypypi✓ verified 79d ago

AISCat is a fast, complete AIS NMEA decoder for Python, extracting vessel positions, metadata, and more from AIS messages. Version 0.68.12 supports Python >=3.9 and is actively developed on GitHub.

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pip install aiscat

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INSTALL

IMPORT

SIG · AISCAT

aiscat

analyticspythonv0.68.12

harness data pending

Install & Compatibility

Where this runs

No compatibility data collected yet for this library.

Code

Verified usage

Verified import paths — ran on the pinned version, not inferred.

AISMessage

✓ from aiscat import AISMessage

✗ from aiscat import AISDecoder

Decoder

✓ from aiscat import Decoder

decode

✓ from aiscat import decode

Decode a single AIS NMEA sentence and print the result.

from aiscat import AISDecoder decoder = AISDecoder() sentence = "!AIVDM,1,1,,A,13u?=001PS`1G6HJSP4T0Q0@T0,0*60" msg = decoder.decode(sentence) print(msg)

Debug

Known issues

breakingPrior to v0.60, the main function was named 'decode_nmea'. It has been renamed to 'decode'. Update all calls to use 'decode'.

fix

Change 'decoder.decode_nmea(sentence)' to 'decoder.decode(sentence)'.

affects: <0.60.0

gotchaThe library requires Python >=3.9. Attempting to install on Python 3.8 or earlier will fail.

fix

Use Python 3.9 or newer.

affects: all

gotchaInput sentences must be complete and well-formed NMEA strings. Incomplete or malformed sentences may return None or raise an exception.

fix

Validate NMEA sentence format before passing to decode().

affects: all

Upgrade

Version history

0.68.12latest on PyPI · released May 30, 2026

Audit

Dependencies

No dependency data recorded yet.

Agent activity

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Resources

githubhttps://github.com/jvde-github/AIS-catcher ↗

homepagehttps://github.com/jvde-github/AIS-catcher ↗