PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/06-08:12:30
G07     2.1            65.9                4.7 +/-    0.72       5.1 +/-    0.72  0.030 / 0.040
G08     80.0           53.3                5.0 +/-    0.55       6.0 +/-    0.55  0.030 / 0.040
G09     180.5          58.6                6.1 +/-    1.72       7.1 +/-    1.72  0.100 / 0.120
G11     137.6          22.7                5.9 +/-    0.88      12.1 +/-    0.88  0.080 / 0.160
G23     158.3          26.0                5.3 +/-    1.15      10.0 +/-    1.15  0.050 / 0.120
G27     44.9           23.6                2.0 +/-    0.75       4.1 +/-    0.75  0.050 / 0.120
G28     246.1          33.3                6.4 +/-    1.69      10.5 +/-    1.69  0.040 / 0.040
G30     312.1          43.7                3.0 +/-    0.88       4.2 +/-    0.88  0.040 / 0.040