WELCOME TO YV-SAT GROUP - BIENVENIDOS AL GRUPO YV-SAT

lunes, 8 de febrero de 2016

Japanese Ham Radio Satellite Launch | QRZ Now – Ham Radio News!

Japanese Ham Radio Satellite Launch | QRZ Now – Ham Radio News!

Antarctic ice safety band at risk

Antarctic ice safety band at risk: Antarctica is surrounded by huge ice shelves. New research, which includes using data from satellites such as ESA’s heritage Envisat, has revealed that there is a critical point where these shelves act as a safety band, holding back the ice that flows towards the sea. If lost, it could b…