PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/11-10:27:50
G02     201.2          24.9                5.6 +/-    0.89      11.0 +/-    0.89  0.080 / 0.250
G06     165.8          59.9                8.8 +/-    1.17      10.0 +/-    1.17  0.100 / 0.220
G12     302.2          10.3               -8.2 +/-    7.54     -22.6 +/-    7.54  0.040 / 0.040
G17     25.8           56.9                5.4 +/-    0.55       6.3 +/-    0.55  0.040 / 0.030
G19     344.4          69.5                5.8 +/-    0.45       6.1 +/-    0.45  0.040 / 0.080
G24     307.1          31.5                4.9 +/-    1.49       8.3 +/-    1.49  0.040 / 0.080
G28     88.0           43.3                6.5 +/-    0.55       8.9 +/-    0.55  0.080 / 0.110
G30     158.4          12.1                5.3 +/-    4.56      14.2 +/-    4.56  0.080 / 0.110