PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/19-04:58:10
G01     40.9           16.2                4.3 +/-    2.28      10.3 +/-    2.28  0.080 / 0.100
G06     174.6          36.0                9.7 +/-    0.98      15.1 +/-    0.98  0.080 / 0.100
G11     43.9           10.1                3.8 +/-    2.79      10.5 +/-    2.79  0.070 / 0.350
G13     238.2          24.4                8.2 +/-    1.89      16.2 +/-    1.89  0.070 / 0.190
G15     269.8          13.3                3.9 +/-    2.56      10.0 +/-    2.56  0.040 / 0.040
G17     359.4          72.2                6.4 +/-    0.37       6.7 +/-    0.37  0.050 / 0.040
G19     272.8          69.9                8.1 +/-    0.63       8.6 +/-    0.63  0.040 / 0.050
G24     317.4          15.8                4.0 +/-    2.27       9.9 +/-    2.27  0.040 / 0.060
G28     57.3           54.5                6.8 +/-    0.77       8.1 +/-    0.77  0.200 / 0.420
G30     155.3          34.3               10.1 +/-    1.26      16.2 +/-    1.26  0.100 / 0.520