Its Sunny Lets go Out

Its clear skies across the country , in early spring, perfect for that groundtruthing exercise you’ve been hopping to carry out.  Since, unusually it seems we can rely on good weather for a few days we can plan ahead but how do you know when to do your groundtruthing in order to exactly coincide with your satellite of choice? You use a a “satellite overpass predictor” tool. Plenty on the web – the one I use at the moment is from NASA and predicts overpasss times for its EO satellites.

Here a map showing Terra satellite (for the MODIS instrument) overpasses tomorrow from the site

Note the times are in GMT, if you want wave at the satellite it’ll be overheard around 12.30 pm

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