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notes on AIS


http://www.ribeirodearaujo.com/AIS-A%20SOTDMA%20network.htm


presentation on ais 
2250 slots (256 bit) per minute : 0.625 sec per slot
9600 baud

http://www.nmea.org/Assets/nmea%202010%20conference%20ais%20seminar%20presentation.pdf



different multiplexing schemes for ais (SOTMA / CSTDMA e.a.)
http://www.allaboutais.com/jdownloads/Access%20schemes%20technical%20downloads/ais_tdma_access_schemes.pdf


sotdma stuff
http://www.allaboutais.com/index.php/en/technical-info/how-each-product-works-technically/105-ais-technicals/technical-lfundamentals/93-sotdma

reference docs gr-ais
https://web.archive.org/web/20120207071612/http://www.uais.org/DownloadLibrary.htm


gr-ais
http://www.funwithelectronics.com/?id=9


ais decoding
http://www.it-digin.com/blog/?p=20


ais messages bit assignment
http://www.bosunsmate.org/ais/
http://www.bosunsmate.org/ais/message2.php
http://www.bosunsmate.org/ais/message3.php
http://www.bosunsmate.org/ais/message1.php

http://gnuais.sourceforge.net/

pifmrds
https://github.com/ChristopheJacquet/PiFmRds
(deprecate) https://github.com/richardghirst/PiBits
(deprecate) https://github.com/rm-hull/pifm


hdlc protocol (sotdma)
https://github.com/bang-olufsen/yahdlc/blob/master/C/yahdlc.c
https://github.com/SkypLabs/python4yahdlc/tree/master/src
https://en.wikipedia.org/wiki/High-Level_Data_Link_Control
https://en.wikipedia.org/wiki/Self-Organized_Time_Division_Multiple_Access

https://github.com/on1arf/gmsk/blob/master/gmskmodem_codec2/c2gmsk_RPi.README.txt

https://en.wikipedia.org/wiki/Automatic_identification_system
https://github.com/dgiardini/rtl-ais/blob/master/rtl_ais.c


https://github.com/trendmicro/ais


gmsk modem notes (rowetel - codec2)
http://www.rowetel.com/?p=3824
https://www.youtube.com/watch?v=aNeHxijGWuA