Ham radio operators standby for contact as SpaceX Fram2 polar mission passes over Australia
Australian amateur radio enthusiasts are ready to be part of history after the first polar space mission — with an Australian ...
Hackaday3d
AMSAT-OSCAR 7: The Ham Satellite That Refused To Die
When the AMSAT-OSCAR 7 (AO-7) amateur radio satellite was launched in 1974, its expected lifespan was about five years. The plucky little satellite made it to 1981 when a battery failure caused it ...
IEEE18d
The First Indoor Pathloss Radio Map Prediction Challenge
Abstract: To encourage further research and to facilitate fair comparisons in the development of deep learning-based radio propagation models, in the less explored case of directional radio signal ...
Nature26d
The Propagation of Radio Waves over the Earth
AMONG the facts to be explained in a satisfactory theory of the propagation of radio waves over the earth's surface are the curvature of the rays in transmission between stations far apart ...