PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/09-01:58:00
G02     199.3          19.8                8.7 +/-    1.85      19.2 +/-    1.85  0.050 / 0.070
G06     173.5          49.8                9.4 +/-    0.56      11.8 +/-    0.56  0.040 / 0.080
G13     229.9          15.0               10.3 +/-    1.74      25.6 +/-    1.74  0.040 / 0.050
G17     14.2           63.9                5.4 +/-    0.55       5.9 +/-    0.55  0.030 / 0.050
G19     313.5          71.4                5.8 +/-    0.46       6.1 +/-    0.46  0.040 / 0.030
G24     312.1          27.1                5.4 +/-    1.91      10.1 +/-    1.91  0.030 / 0.040
G28     85.3           40.8                6.2 +/-    0.86       8.9 +/-    0.86  0.100 / 0.240
G30     155.7          14.3                8.8 +/-    2.72      22.3 +/-    2.72  0.080 / 0.150