PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/07-08:43:00
G02     295.0          82.2                6.8 +/-    0.73       6.9 +/-    0.73  0.070 / 0.140
G05     170.3          21.8                6.9 +/-    0.95      14.6 +/-    0.95  0.080 / 0.120
G06     39.5           50.0                4.2 +/-    0.58       5.3 +/-    0.58  0.060 / 0.090
G12     320.7          62.5                5.3 +/-    1.44       5.8 +/-    1.44  0.060 / 0.100
G17     77.1           16.8                6.2 +/-    1.08      14.7 +/-    1.08  0.090 / 0.260
G19     65.7           31.6                5.4 +/-    0.54       9.1 +/-    0.54  0.110 / 0.270
G24     238.8          29.9                7.3 +/-    1.42      12.7 +/-    1.42  0.040 / 0.030
G25     317.1          19.2                5.0 +/-    1.86      11.2 +/-    1.86  0.030 / 0.030