Gap Filling of the CALYPSO HF Radar Sea Surface Current Data through Past Measurements and Satellite Wind Observations

Figure 4

Instances of typical (a) and reduced (b) spatial data coverage by the CALYPSO HF Radar Network on the 11/01/2014 at 00:00 UTC and on 28/09/2013 at 20:00 UTC, respectively.

(a)

(b)