GFS definitions

Gfs

1) Grandfather, father, son 2) Some PowerBooks
Found on https://www.crosswordclues.com/clue/gfs

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gfs

Global Forecast System. Successor to Aviation and MRF models run by NCEP four times a day out to 384 hours.
Found on http://ggweather.com/glossary.htm

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GFS

Generator Field Signal
Found on http://www3.sympatico.ca/dhaughey/j1930.htm

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