PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/08-03:12:50
G01     307.3          34.3                7.9 +/-    1.86      12.7 +/-    1.86  0.080 / 0.140
G10     105.4          38.9               13.2 +/-    0.46      19.6 +/-    0.46  0.070 / 0.200
G11     283.3          27.2                7.9 +/-    0.84      14.7 +/-    0.84  0.070 / 0.110
G14     351.6          67.9                8.0 +/-    0.73       8.5 +/-    0.73  0.090 / 0.100
G18     277.6          50.3               10.1 +/-    0.82      12.7 +/-    0.82  0.030 / 0.040
G20     120.2          14.6                6.2 +/-    1.87      15.5 +/-    1.87  0.040 / 0.040
G22     309.6          24.4                8.2 +/-    1.30      16.3 +/-    1.30  0.060 / 0.060
G25     84.2           16.0                5.0 +/-    1.75      12.1 +/-    1.75  0.070 / 0.060
G31     163.7          65.0                8.3 +/-    0.50       9.1 +/-    0.50  0.060 / 0.040
G32     34.3           53.7                7.5 +/-    1.46       9.1 +/-    1.46  0.050 / 0.040