How you can improve or play around with the internal RTL SDR Dongle setting in my RTL SDR AIS Driver app or in AIS SHARE app. Note: If you have AIS SHARE app, you do not need to change any settings in RTL SDR AIS Driver app.
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Note for Y cables: It is important that you connect the power and the RTL-SDR dongle to the Y cable first before connecting it to your device otherwise it won’t charge the device – there is a video about this here:-https://m.youtube.com/watch?v=rXiyzfP94AU Note: This is not working on all devices
DVB-T Stick / RTL-SDR Stick
Search for RTL2832U / 820T / 820T2 USB stick. I recommend high quality dongles which are more expensive but PPM is fix and stable around 0 or 1 . (0,5 PPM TCXO) Please note: The antenna delivered with some dongles is more or less only for testing. Don’t expect a good reception
Amazon Deutschland (all high quality with 0.5 ppm)
International Shipping (Aliexpress) (Budget store – shipping takes up to 3 weeks)
It is an Android app that decodes AIS messages transmitted by vessels , ships, over radio using a cheap USB DVB-T /RTL-SDR stick.
AIS messages are transmitted over VHF. Channel A: 161.975 MHz Channel B: 162.025 MHz. The app decodes both channels simultaneously. This app needs no internet connection, it decodes the real time received messages. This is a truly standalone full featured AIS receiver.
The received messages will be translated into NMEA0183 strings which can be forwarded then via UDP or TCP streaming to third-party apps, PC programs or other devices. Such Apps can display the received AIS data for example on a map along with information about the received objects.
Please note: The app needs additional (very cheap) hardware to receive the radio signals.
Cheap AIS dual channel AIS receiver
Low power consummation
Easy to install
Receive VHF AIS radio signals via DVB-T / RTL SDR USB Stick
Decode AIS messages into NMEA0183 strings ( !AIVDM )
Send this messages via Network (UDP/TCP)
Device location (GPS,Network) translation into NMEA strings
location NEMA forwarding via Network (UDP)(GPGSV,GPGSA,GPZDA,GPRMC,..)