PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/03-17:42:50
G01     60.9           30.5                8.2 +/-    0.94      14.3 +/-    0.94  0.050 / 0.060
G07     140.9          18.6               11.5 +/-    0.91      26.1 +/-    0.91  0.050 / 0.060
G11     48.3           24.6                8.9 +/-    1.48      17.6 +/-    1.48  0.080 / 0.280
G13     263.1          36.5               13.4 +/-    1.50      20.7 +/-    1.50  0.130 / 0.250
G15     294.4          16.5                8.1 +/-    1.86      19.3 +/-    1.86  0.040 / 0.060
G17     250.7          74.8               12.1 +/-    0.65      12.5 +/-    0.65  0.040 / 0.050
G18     42.1           12.8                7.6 +/-    1.03      20.0 +/-    1.03  0.060 / 0.110
G19     230.5          50.3               15.6 +/-    0.78      19.7 +/-    0.78  0.060 / 0.110
G28     24.1           59.4                9.4 +/-    0.64      10.7 +/-    0.64  0.060 / 0.150
G30     142.2          50.2               12.0 +/-    1.41      15.1 +/-    1.41  0.060 / 0.140