How to Build a 3-Watt AM Radio Transmitter
How to Build a 3-Watt AM Radio Transmitter: A 3-watt AM Radio transmitter circuit is a medium-power radio frequency circuit capable of broadcasting audio signals over the AM radio band.
Getting Started with AIS: Track Ships from Your Shack with a RTL-SDR
Getting Started with AIS: Track Ships from Your Shack with a RTL-SDR : The Automatic Identification System (AIS) is a VHF radio-based collision-avoidance protocol that virtually every commercial, passenger, and large recreational vessel in the world is required to carry. Since 2004, the International Maritime Organization (IMO) has mandated AIS transponders on all ships of 300 GT or more engaged in international voyages, all cargo ships of 500 GT or more on domestic routes, and all passenger ships regardless of size.
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