PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/02/09-00:43:00
G01     89.5           31.7                7.1 +/-    0.73      12.0 +/-    0.73  0.080 / 0.100
G07     126.4          41.3                7.8 +/-    0.59      11.1 +/-    0.59  0.080 / 0.090
G11     66.2           38.8                6.2 +/-    1.00       9.2 +/-    1.00  0.040 / 0.060
G13     293.6          36.8                6.0 +/-    5.17       9.2 +/-    5.17  0.030 / 0.070
G17     213.6          56.5                9.6 +/-    0.66      11.3 +/-    0.66  0.050 / 0.050
G19     214.4          26.6                9.4 +/-    1.50      17.6 +/-    1.50  0.040 / 0.040
G28     343.1          61.7                6.1 +/-    0.67       6.8 +/-    0.67  0.150 / 0.190
G30     104.9          76.3                8.0 +/-    0.43       8.2 +/-    0.43  0.090 / 0.150