PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/05-02:42:30
G07     343.6          61.6                5.0 +/-    0.84       5.6 +/-    0.84  0.040 / 0.080
G08     87.0           51.4                5.7 +/-    0.51       7.0 +/-    0.51  0.040 / 0.090
G09     180.7          66.6                5.7 +/-    0.83       6.2 +/-    0.83  0.040 / 0.040
G11     141.3          16.8                6.9 +/-    1.31      16.3 +/-    1.31  0.030 / 0.040
G23     157.8          39.3                8.5 +/-    1.02      12.5 +/-    1.02  0.060 / 0.090
G27     52.9           31.1                4.7 +/-    1.06       8.0 +/-    1.06  0.070 / 0.080
G28     240.1          31.1                5.9 +/-    1.16      10.1 +/-    1.16  0.070 / 0.080
G30     304.5          36.8                3.2 +/-    1.28       4.9 +/-    1.28  0.060 / 0.080