Category: Phone

via HACKADAY: Exposing Dinosaur Phone Insecurity With Software Defined Radio

Long before everyone had a smartphone or two, the implementation of a telephone was much stranger than today. Most telephones had real, physical buttons. Even more bizarrely, these phones were connected to other phones through physical wires. Weird, right? These were called “landlines”, a technology that shuffled off this mortal coil three or four years […]

via the ARRL: Sporadic E Provides Some Excitement on 2 Meters

July 12 brought exciting times to VHF enthusiasts, when strong E skip propagation and a maximum usable frequency (MUF) approaching 200 MHz opened things up on 2 meters. Often a good indicator of favorable propagation above 6 meters is changing conditions on the FM broadcast band. Signals of distant FM stations overtaking those of the […]

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