#AIS Receiver
- Macbook pro
- VirtualBox
- Ubuntu 18.04 running in VirtualBox
- VM networking set to “bridged”
* [Aisdeco2](http://xdeco.org/?page_id=30#ai2)
* [Open CPN](https://opencpn.org/index.html)
* RTL-SDR hardware (RTL2832U)
* Antenna included with RTL-SDR kit
* Connect the RTL2832U to the laptop
* Connect the RTL2832U to the VM via the VirtualBox USB menu
* Set the VirtualBox netoworking mode to Bridged
* In OpenCPN, create a new input connection: UDP, localhost, port 4159
* Optional - install high resolution chars in OpenCPPN
- Startup OpenCPN
- in a terminal run
./aisdeco2 --agc --freq-correction -1 --udp 192.168.43.250:4159
Where 192.168.43.25 is the local IP address. Note that this does not work with localhost or 127.0.0.1
-freq-correction -1 is the correction factor for the individual SDR hardware. This needs to be determined experimentally.
If there are AIS messages to be received, they will be logged to the console and also sent to the UDP port. If everything is set up right then vessels will appear in OpenCPN
- Raspberry Pi 4 Model B 4 GB Ram
- RTL-SDR hardware (RTL2832U)
Instructions for OSX
- Download the SatNOGS Pi image
- Use The Unarchiver to unpack the image zip file
- Use balenaEtcher to create the Pi boot image on an sd card
- install the SD card and start up the Pi
- Helpful hint: to set up networking on the PI without a monitor and keyboard, use the pre-boot configuration to set up a wifi connection so you can start up headless and ssh in See https://wiki.satnogs.org/Raspberry_Pi_3#Pre-boot_wireless_configuration
- Download the SatNOGS Raspian Pi image from here http://xdeco.org/?page_id=30#ai2
scp ~/Downloads/aisdeco2_rpi2-3_deb9_20180430.tgz [email protected]:~
ssh [email protected]
mkdir aisdeco2
mv aisdeco2_rpi2-3_deb9_20180430.tgz aisdeco2
cd aisdeco2
tar xzf aisdeco2_rpi2-3_deb9_20180430.tgz
./aisdeco2 --device-list
If the RTL-SDR device is found you should see
2019-12-25 17:24:30.584 INFO AiSDeco2 v.20180430
Available Devices:
0: Generic RTL2832U OEM
with aisdeco2 and OpenCPN running in Ubuntu on the MBP
ssh [email protected]
# test to make sure the RTL-SDR device is connected
aisdeco2/aisdeco2 --device-list
Should see
2020-08-02 14:55:56.296 INFO AiSDeco2 v.20180430
Available Devices:
0: Generic RTL2832U OEM
Output AIS to stdout
./aisdeco2 --udp 192.168.2.3:4123 --agc
other stuff
sudo systemctl start signalk.socket nc -i 1 -u 192.168.2.3 4123 < port-canaveral-2019-12-29.nmea