It turned out later that the network coverage was probably available even at 6400 m , so the Columbians were able to write emails and receive the weather forecasts .
Mobile network coverage on the altitude of Base Camp was a surprise .
Base Camp turned out later that the network coverage was probably available even at 6400 m , so the Columbians were able to write emails and receive the weather forecasts .
Mobile network coverage on the altitude of Base Camp was a surprise .