OTA: Cave Rescue Radios, Spectrum Pricing, Clones, and More

This fortnight’s big news was, of course, the successful rescue of 12 children and one adult stranded in a Thai cave by flooding, and there’s a surprise twist in the tale: the rescue was carried out using USB radio transceivers designed by a radio ham. Hackaday explains that members…
Virginia Tech SDR-based GPS spoofer

OTA: LimeSDR Mini Demos, CubeSats, Discone Antennas, and More

The LimeSDR Mini crowdfunding campaign page continues to deliver impressive demonstrations of the device’s capabilities, including the creation of what is quite likely the world’s smallest Digital Video Broadcast (DVB) transmitter. The first demonstration, from Evariste Okcestbon, pairs a LimeSDR Mini with a Raspberry Pi Zero to broadcast…
Titan Missile Museum Discone Antenna