PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/05/30-07:27:40
G01     316.9          23.3                2.9 +/-    0.73       5.9 +/-    0.73  0.120 / 0.370
G08     253.8          10.7                4.3 +/-    3.39      11.8 +/-    3.39  0.140 / 0.310
G10     88.3           48.7                5.3 +/-    0.81       6.8 +/-    0.81  0.090 / 0.150
G11     297.6          25.3                5.1 +/-    1.61      10.0 +/-    1.61  0.110 / 0.170
G14     314.9          71.5                4.1 +/-    0.60       4.3 +/-    0.60  0.040 / 0.030
G18     298.0          45.3                4.6 +/-    1.31       6.1 +/-    1.31  0.040 / 0.040
G20     110.0          25.2                4.8 +/-    1.43       9.3 +/-    1.43  0.040 / 0.050
G22     304.2          16.2                2.0 +/-    3.16       4.8 +/-    3.16  0.040 / 0.060
G31     173.8          48.3                4.8 +/-    1.50       6.2 +/-    1.50  0.090 / 0.190
G32     10.4           65.8                3.9 +/-    0.59       4.2 +/-    0.59  0.110 / 0.170