PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/10-22:57:40
G01     79.3           33.0                7.4 +/-    1.28      12.1 +/-    1.28  0.060 / 0.090
G07     132.7          33.0                9.4 +/-    1.33      15.5 +/-    1.33  0.060 / 0.080
G11     58.0           34.5                7.8 +/-    1.62      12.5 +/-    1.62  0.060 / 0.120
G13     283.2          38.4                6.4 +/-    3.04       9.5 +/-    3.04  0.050 / 0.120
G15     308.3          13.6                6.6 +/-    1.44      17.0 +/-    1.44  0.040 / 0.040
G17     221.8          64.3                9.2 +/-    1.17      10.1 +/-    1.17  0.040 / 0.040
G18     52.5           19.5                7.4 +/-    1.40      16.5 +/-    1.40  0.170 / 0.110
G19     218.7          34.8               10.0 +/-    1.67      15.9 +/-    1.67  0.130 / 0.110
G28     358.4          61.4                8.0 +/-    0.85       9.0 +/-    0.85  0.060 / 0.210
G30     126.0          68.5                9.6 +/-    0.86      10.2 +/-    0.86  0.090 / 0.190