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                3.6 +/-    2.39       9.9 +/-    2.39  0.090 / 0.140
G02     198.5          14.1                4.8 +/-    4.47      12.2 +/-    4.47  0.090 / 0.130
G06     172.6          44.1                7.3 +/-    0.74      10.0 +/-    0.74  0.150 / 0.460
G13     232.1          19.4                7.6 +/-    3.76      17.0 +/-    3.76  0.340 / 0.560
G17     12.2           66.3                5.2 +/-    0.49       5.6 +/-    0.49  0.040 / 0.050
G19     298.0          72.4                6.3 +/-    0.38       6.5 +/-    0.38  0.040 / 0.070
G24     315.0          21.7                2.5 +/-    3.48       5.2 +/-    3.48  0.030 / 0.020
G28     68.8           51.3                6.4 +/-    2.54       8.0 +/-    2.54  0.030 / 0.030
G30     157.1          26.7                6.3 +/-    1.27      11.8 +/-    1.27  0.030 / 0.030