If you tuned into just the right shortwave radio frequency in the 1970s, you might hear a creepy computerized voice reading out a string of numbers. It was the Cold War, and the coded messages were rumored to be secret intelligence broadcasts from “number stations” located around the globe.
Image via Wikipedia Television BroadcastIEEE Publishes Final Broadband-over-Power-Line StandardTelevision BroadcastThe American Radio Relay League, representing hams, contended that BPL interfered with their operations, as well […]
All mechanised fishing boats in Tamil Nadu will get VHF (very high frequency) wireless radio handsets that will receive a variety of information including ‘prospective […]