Tag Archives: AIVDO

How to decode AIS sentences !AVDM !AVDO

So you would like to decode NMEA AIS sentences of the type !AVDM and !AVDO

!AIVDO,1,1,,,B3ErsM03wk?8mP=18D3Q3wv5sP06,0*08
!AIVDM,1,1,,A,14RNTp001OOn5B8HmbB48kI600Rw,0*33
!AIVDM,1,1,,B,D02;bAAFhLfq6DM6Erlu6D3,2*2B
!AIVDM,1,1,,B,13E`Tn8P00Oo<rbHjWstI?w20D0B,0*1B

The best thing is to use one of the free available programs to decode AIS messages we listed here.

But if you want to do this on-line, you have some on-line tools where you can paste the messages that you would like to decode. These are NMEA 0183 messages:

And if you would like to dig in further and build your own decoder, there is available information here:

AIS receiver (AIS decoder hardware) Simple to install and connect with a USB cable

AIS decoder hardware. Simple to install and connect with a USB cable