PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/10-23:57:40
G01     49.6           25.1                7.7 +/-    2.86      15.0 +/-    2.86  0.070 / 0.150
G06     180.7          21.2                8.9 +/-    2.20      19.0 +/-    2.20  0.120 / 0.170
G11     44.1           13.7                6.4 +/-    1.77      16.4 +/-    1.77  0.040 / 0.040
G13     249.4          30.7                8.6 +/-    2.70      14.9 +/-    2.70  0.040 / 0.050
G15     282.9          15.7                6.8 +/-    1.08      16.6 +/-    1.08  0.070 / 0.040
G17     325.7          78.8                9.1 +/-    0.38       9.3 +/-    0.38  0.070 / 0.040
G19     246.1          59.8                9.0 +/-    0.52      10.3 +/-    0.52  0.110 / 0.170
G28     47.7           55.1                8.0 +/-    1.02       9.5 +/-    1.02  0.130 / 0.210
G30     149.8          40.9                9.4 +/-    1.95      13.5 +/-    1.95  0.170 / 0.190