Less than 1% of the world’s biggest radio telescope is complete – but its first image reveals a sky dotted with ancient galaxies
The SKA-Low radio telescope in Western Australia is slowly coming online. It will probe the shape of the universe and study ...
Hackaday9y
See Actual Microwaves — No More Faking It
But for me it was disappointing because I know it is actually possible to see what radio waves look like. In this post I will show you how to actually do it by modifying a coffee can radar which ...
Astronomers investigate X-shaped radio galaxy 3C 315
By analyzing the data from Leahy's atlas of double radio-sources and NASA/IPAC Extragalactic Database (NED), Serbian ...
Hackaday9y
Visualizing RF Standing Waves
A Ham radio operator will tell you all about ... All well and good, but what do standing waves actually look like in a transmission line? [Allen] obliges with a demo using a strip line, which ...
SETI24d
SETI Observations
At lower frequencies our galaxy emits prodigious amounts of radio waves creating a loud background of noise. At higher frequencies the Earth’s atmosphere, and presumably the atmosphere of other ...
PBS3mon
Marconi receives radio signal over Atlantic
He designed a transmitter to send and a receiver to detect radio waves. By the end of the century Marconi had managed to send signals over several miles with no wires, and the idea was taking hold ...