PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/17-10:57:40
G02     17.8           66.8                3.0 +/-    0.39       3.2 +/-    0.39  0.040 / 0.070
G05     161.0          44.7                8.5 +/-    0.96      11.5 +/-    0.96  0.040 / 0.060
G06     45.7           27.7                1.2 +/-    0.78       2.3 +/-    0.78  0.040 / 0.040
G12     234.2          81.2                3.6 +/-    0.56       3.6 +/-    0.56  0.040 / 0.040
G19     87.1           17.1                4.6 +/-    0.94      10.8 +/-    0.94  0.030 / 0.030
G24     220.2          13.9                8.8 +/-    3.53      22.4 +/-    3.53  0.020 / 0.020
G25     312.5          40.5                4.6 +/-    1.75       6.7 +/-    1.75  0.100 / 0.200
G29     294.9          16.0                6.5 +/-    1.91      15.8 +/-    1.91  0.100 / 0.250