In the opinion of many satellite operators, the frequency bands 3 400–4 200 MHz and 4 500–4 800 MHz (known as C-band) are not suitable for this purpose. The frequency ranges 3 400–4 200 MHz and 4 ...
A theoretical astrophysicist may have solved a nearly two-decade-old mystery over the origins of an unusual 'zebra' pattern seen in high-frequency radio pulses from the Crab Nebula.