added additional info to help: NMEA is for use with GPX tools, CSV is for use with bash tools
added additional info to help: NMEA is for use with GPX tools, CSV is for use with bash tools

RealEnder/hcxtools,RealEnder/hcxtools,ZerBea/hcxtools,RealEnder/hcxtools,ZerBea/hcxtools,ZerBea/hcxtools