his single " cross road blues " was inducted into the grammy hall of fame in , and he was given a grammy lifetime achievement award in . in , david fricke ranked johnson fifth in rolling stone magazine's " greatest guitarists of all time". [ ] contents life and career early life itinerant musician recording...
for drones modified ndvi cameras for dji best practices to fly and stitch crop imagery mapping large areas with dji mapping varied elevations, tall buildings or trees no fly zones / restricted areas terrain following (beta) crystal sky gathering and reading flight logs blurry / poor image quality troubleshooting...