New GEMPAK Surface Station File for 7.1.0

The upcoming release of GEMPAK 7.1.0 will include a new global surface METAR table (sfstns.tbl), created by a new Python decoder available at
https://github.com/mjames-upc/gempak-stations
The table is created from the NCAR / RAL master file:
https://weather.rap.ucar.edu/surface/stations.txt
The new GEMPAK table is available now at
https://raw.githubusercontent. com/mjames-upc/gempak-stations/master/sfstns.tbl

$GEMTBL/stns/geog.tbl will also be updated to be consistent with the NCAR / RAL file.  The new GEMPAK geog.tbl is available at:
https://raw.githubusercontent. com/Unidata/gempak/master/gempak/tables/stns/geog.tbl