PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/27-20:27:30
G02     0.7            74.1                8.8 +/-    0.35       9.1 +/-    0.35  0.080 / 0.110
G05     160.7          40.1               10.8 +/-    0.91      15.7 +/-    0.91  0.090 / 0.100
G06     43.0           34.8                8.4 +/-    0.76      13.4 +/-    0.76  0.040 / 0.030
G12     300.2          74.9                9.5 +/-    0.73       9.8 +/-    0.73  0.030 / 0.030
G19     80.8           22.2                9.2 +/-    1.38      19.3 +/-    1.38  0.130 / 0.200
G24     223.8          18.3                9.8 +/-    3.44      22.5 +/-    3.44  0.130 / 0.410
G25     315.6          33.9                6.9 +/-    0.91      11.2 +/-    0.91  0.050 / 0.080
G29     290.9          13.7               10.1 +/-    1.47      25.9 +/-    1.47  0.070 / 0.060