PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/04-21:42:50
G02     333.4          79.7               10.6 +/-    0.38      10.7 +/-    0.38  0.090 / 0.220
G05     164.5          31.7               18.6 +/-    1.09      31.4 +/-    1.09  0.100 / 0.270
G06     40.4           43.4                9.6 +/-    0.87      13.3 +/-    0.87  0.030 / 0.050
G12     315.4          66.2                8.8 +/-    0.69       9.6 +/-    0.69  0.040 / 0.040
G17     83.4           13.4               10.6 +/-    1.14      27.4 +/-    1.14  0.080 / 0.170
G19     72.9           27.7                9.3 +/-    0.76      17.1 +/-    0.76  0.070 / 0.130
G24     229.9          24.1               15.7 +/-    1.72      31.3 +/-    1.72  0.040 / 0.030
G25     317.3          26.4                8.7 +/-    0.95      16.4 +/-    0.95  0.040 / 0.040