The Potential for Observing African Weather with GNSS Remote Sensing

Table 2

IGS tropospheric products (http://igscb.jpl.nasa.gov/components/prods.html, assessed 20/02/14).

Product	Accuracy	Latency	Updates	Sample interval
Final tropospheric zenith path delay	4 mm	<4 weeks	Weekly	2 hours
Ultrarapid tropospheric zenith path delay	6 mm	2-3 hours	Every 3 hours	1 hour