PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/29-03:42:40
G01     85.2           32.6                4.5 +/-    1.01       7.4 +/-    1.01  0.060 / 0.060
G07     129.3          39.2                7.6 +/-    1.17      11.1 +/-    1.17  0.060 / 0.080
G11     62.3           36.9                4.4 +/-    1.04       6.8 +/-    1.04  0.040 / 0.040
G13     289.2          37.6                1.8 +/-    2.54       2.7 +/-    2.54  0.050 / 0.050
G15     313.2          11.0               -3.8 +/-   13.12     -10.2 +/-   13.12  0.070 / 0.090
G17     217.0          60.7                8.9 +/-    1.25      10.0 +/-    1.25  0.070 / 0.090
G18     56.2           20.8                4.5 +/-    1.94       9.6 +/-    1.94  0.090 / 0.170
G19     216.4          29.1                6.4 +/-    1.73      11.4 +/-    1.73  0.100 / 0.180
G28     352.0          61.6                5.2 +/-    0.58       5.9 +/-    0.58  0.090 / 0.100
G30     115.1          74.3                5.9 +/-    0.68       6.1 +/-    0.68  0.070 / 0.110