PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/09-04:12:40
G01     111.3          22.9               10.9 +/-    1.01      22.4 +/-    1.01  0.040 / 0.030
G07     101.4          59.4               10.1 +/-    0.60      11.5 +/-    0.60  0.030 / 0.030
G08     42.0           21.6                4.1 +/-    1.27       8.6 +/-    1.27  0.030 / 0.040
G09     174.1          15.8                8.7 +/-    1.99      21.3 +/-    1.99  0.040 / 0.040
G11     92.7           42.2                8.9 +/-    0.57      12.5 +/-    0.57  0.080 / 0.080
G13     312.6          26.2                5.9 +/-    1.78      11.3 +/-    1.78  0.050 / 0.070
G17     202.9          35.9               10.9 +/-    1.04      17.0 +/-    1.04  0.060 / 0.200
G28     305.1          59.1                8.7 +/-    0.58       9.9 +/-    0.58  0.060 / 0.200
G30     0.9            74.7                8.6 +/-    0.84       8.9 +/-    0.84  0.040 / 0.060