![rtl-sdr.com on Twitter: "Building a Raspberry Pi Based AIS Receiver with an RTL-SDR, Preamp and Collinear Antenna https://t.co/cba1sYzYWj https://t.co/9czWeQXuAE" / Twitter rtl-sdr.com on Twitter: "Building a Raspberry Pi Based AIS Receiver with an RTL-SDR, Preamp and Collinear Antenna https://t.co/cba1sYzYWj https://t.co/9czWeQXuAE" / Twitter](https://pbs.twimg.com/media/EY7kYQpVcAAnkKo.jpg)
rtl-sdr.com on Twitter: "Building a Raspberry Pi Based AIS Receiver with an RTL-SDR, Preamp and Collinear Antenna https://t.co/cba1sYzYWj https://t.co/9czWeQXuAE" / Twitter
![gr-rpitx: GNU Radio compatible general purpose SDR emitter using the Raspberry Pi(4) internal phase locked loop | Semantic Scholar gr-rpitx: GNU Radio compatible general purpose SDR emitter using the Raspberry Pi(4) internal phase locked loop | Semantic Scholar](https://d3i71xaburhd42.cloudfront.net/9a4b00f50b59ba1015949fcc738b7681c5f15f39/2-Figure2-1.png)
gr-rpitx: GNU Radio compatible general purpose SDR emitter using the Raspberry Pi(4) internal phase locked loop | Semantic Scholar
![Amazon.com: Nooelec RTL-SDR, FM+DAB, DVB-T USB Stick Set with RTL2832U & R820T. Great SDR for SDR#, HDSDR, and Other Popular SDR Software Packages! : Electronics Amazon.com: Nooelec RTL-SDR, FM+DAB, DVB-T USB Stick Set with RTL2832U & R820T. Great SDR for SDR#, HDSDR, and Other Popular SDR Software Packages! : Electronics](https://m.media-amazon.com/images/I/71XcMmebiiL.jpg)