Free) hamsphere is a virtual ham radio transceiver. Once installed, you will be able to communicate with thousands of amateur radio operators and radio enthusiasts in over 200 countries around the world. You can even use hamsphere without a ham radio license by please click for source using a special hamsphere call sign. Hamsphere is a highly realistic shortwave simulation based on sdr (software defined radio) technology. Free) a brilliant free scanner application which streams scanner feeds from across the planetintuitive and easy to use.