PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/04-06:57:30
G02     201.3          32.5                6.4 +/-    2.00      10.7 +/-    2.00  0.100 / 0.340
G06     162.5          64.9                7.2 +/-    0.44       7.9 +/-    0.44  0.090 / 0.350
G12     305.3          14.5                3.5 +/-    2.71       8.9 +/-    2.71  0.050 / 0.080
G17     32.8           51.6                4.9 +/-    1.31       6.1 +/-    1.31  0.060 / 0.080
G19     357.7          66.8                3.3 +/-    0.66       3.6 +/-    0.66  0.060 / 0.040
G24     302.6          34.8                3.7 +/-    0.64       5.9 +/-    0.64  0.040 / 0.050
G28     93.1           41.3                7.2 +/-    1.53      10.3 +/-    1.53  0.040 / 0.030