PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/15-03:28:00
G01     89.9           30.3                6.9 +/-    0.93      11.9 +/-    0.93  0.030 / 0.020
G07     122.9          47.9                7.0 +/-    1.05       9.0 +/-    1.05  0.030 / 0.020
G11     75.1           44.4                5.7 +/-    1.24       7.7 +/-    1.24  0.110 / 0.170
G13     296.0          36.8                6.8 +/-    4.11      10.5 +/-    4.11  0.090 / 0.180
G15     314.6          11.0               -4.1 +/-   15.22     -11.3 +/-   15.22  0.110 / 0.230
G17     211.2          52.2                7.0 +/-    0.53       8.6 +/-    0.53  0.160 / 0.160
G19     212.3          27.3                6.1 +/-    1.31      11.2 +/-    1.31  0.040 / 0.050
G28     325.3          60.2                4.5 +/-    0.53       5.1 +/-    0.53  0.040 / 0.060
G30     79.3           81.3                5.6 +/-    1.51       5.6 +/-    1.51  0.050 / 0.070