1.9.55-58:
• option to display Metar weather
observations in the header (for more about Metar, see
https://en.wikipedia.org/wiki/METAR)
• option in Header Information section
to specify the character(s) to use as the separator between items
in the header
• added country code info in Location
section
• more complete translations
1.9.53/54:
• new wave height, direction and period
plots (data from the NWW3 dataset)
• option to show AM/PM indicators in
time axis labels