PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/11-04:27:50
G01     100.6          28.4                7.1 +/-    1.25      12.8 +/-    1.25  0.100 / 0.150
G07     116.4          51.1                6.6 +/-    1.18       8.2 +/-    1.18  0.110 / 0.190
G08     41.4           12.7                1.9 +/-    0.67       4.9 +/-    0.67  0.050 / 0.140
G11     78.0           41.8                6.5 +/-    0.70       9.2 +/-    0.70  0.060 / 0.140
G13     304.0          32.7                4.7 +/-    1.85       7.8 +/-    1.85  0.040 / 0.050
G17     207.5          47.0                6.7 +/-    1.64       8.8 +/-    1.64  0.040 / 0.050
G18     70.2           23.5                5.5 +/-    0.65      11.0 +/-    0.65  0.030 / 0.030
G19     211.0          16.6                5.7 +/-    4.17      13.7 +/-    4.17  0.030 / 0.030
G28     325.9          61.3                5.1 +/-    0.64       5.7 +/-    0.64  0.060 / 0.130
G30     48.8           80.4                5.3 +/-    0.46       5.3 +/-    0.46  0.060 / 0.130