PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/08-06:42:40
G02     201.4          33.3                6.1 +/-    1.78      10.0 +/-    1.78  0.070 / 0.080
G06     162.0          65.5                5.7 +/-    0.46       6.1 +/-    0.46  0.130 / 0.120
G12     305.6          14.8                3.0 +/-    3.32       7.4 +/-    3.32  0.100 / 0.150
G17     33.5           51.0                3.8 +/-    1.38       4.7 +/-    1.38  0.070 / 0.100
G19     359.1          66.4                2.7 +/-    0.56       2.9 +/-    0.56  0.050 / 0.080
G24     302.0          35.1                3.5 +/-    0.67       5.5 +/-    0.67  0.060 / 0.080
G28     93.8           41.0                6.8 +/-    1.15       9.7 +/-    1.15  0.040 / 0.040