PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/12-05:43:10
G01     37.6           10.7                4.0 +/-    2.37      10.9 +/-    2.37  0.070 / 0.120
G02     198.5          14.1                3.8 +/-    3.24       9.7 +/-    3.24  0.060 / 0.130
G06     172.6          44.1                8.0 +/-    1.06      10.9 +/-    1.06  0.130 / 0.270
G13     232.1          19.4                7.2 +/-    1.76      16.1 +/-    1.76  0.130 / 0.220
G15     263.5          10.6                3.5 +/-    2.84       9.7 +/-    2.84  0.080 / 0.200
G17     12.2           66.3                4.5 +/-    0.60       4.8 +/-    0.60  0.100 / 0.250
G19     298.0          72.4                6.2 +/-    0.73       6.5 +/-    0.73  0.070 / 0.370
G24     315.0          21.7                0.8 +/-    2.84       1.6 +/-    2.84  0.090 / 0.400
G28     68.8           51.3                6.0 +/-    0.49       7.4 +/-    0.49  0.040 / 0.070
G30     157.1          26.7                8.0 +/-    0.70      15.1 +/-    0.70  0.040 / 0.070