LIMA, Ohio (WLIO) – If you are Amateur Radio enthusiasts or just curious about the hobby, Hamfest was the place to be Saturday morning. The Northwest Ohio Amateur Radio Club hosted the event to give ...

Abstract: The multi-frequency multipath observations of temporal variations in the Doppler spectra and signal amplitudes of HF radio waves reflected from the ionosphere, which accompanied ionospheric ...

Abstract: High Frequency (HF) communication systems use radio waves at frequencies in the range of 3-30 MHz propagating in the form of skywave with the help of the ionosphere. For emergency ...

Bambu Lab states that the servo motor in the H2S extruder delivers up to 22 pounds of force with an impressive 20KHz ...

There was a bit of a kerfuffle this week with the news that an airliner had been hit by space junk. The plane, a United Airlines 737, was operating at 36,000 feet on a flight between Denver and Los ...