Charging your laptop or tablet off-grid I always suggest taking an adapter which has a minimum of 60-watts, 5-20 volt 3-5 amps on the USB-C power delivery port. Off Grid Ham
Unexpected X- and C-shaped structures in the atmosphere When bubbles, crests or solar storms disrupt the plasma distribution in the ionosphere, radio signals passing through the atmospheric layer can be changed, lost or fade away. CNN
Video
D-Star, DMR, C4FM, explained For newcomers in digital Amateur Radio communications, getting familiar with all the terms, modes, and reflectors can be very confusing. Laboenligne.ca
