To set up the automated distress function and the digital selective calling features on a VHF radio, you must acquire and enter an MMSI number, and the radio must be connected to or have an integrated ...

that uses a GPS receiver to transmit location coordinates and other information such as destination and MMSI. Nothing affects the performance of your VHF radio more than antenna height. This because ...

The sting in its tail is the proposed relegation of amateur radio to secondary status of the widely used two-meter band (144 MHz) to permit its usage by aircraft. The machinations of global ...

There followed a long thread detailing the genesis bit-by-bit of a decent quality VHF radio receiver, built dead-bug-style on a piece of PCB material. The TDA1701 was soon joined by a couple of ...

4G LTE GPS Tracker Locator; Vehicle Real Time Tracking Mobile DVR Video Recorder; Bus Truck RV Van Security Alarm System; Vehicle Amateur Radio Mobile Radio; Compatible with: Internet Of Things ...

Radio modems encode, transmit, receive and decode serial data using radio waves. They connect to serial ports on devices such as video cameras and data acquisition systems, and send signals to and ...

Radios are communication systems that send and/or receive electromagnetic waves. Devices such as citizens’ band (CB) radios, walkie-talkies, and handie-talkies are two-way radios that can be used for ...

Amateur radio & #GPS users, expect disruptions on Earth's nightside," space weather physicist Tamitha Skov posted on X, formerly Twitter, on Sunday. CMEs are triggered by magnetic activity on the ...

The U.S.-operated GPS has falsely located planes, people and ships, sometimes placing them at the Beirut's international airport. BEIRUT — For the past few months, the U.S.-operated Global ...