PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/30-11:13:10
G02     20.1           65.0                3.5 +/-    0.49       3.8 +/-    0.49  0.030 / 0.040
G05     156.5          50.3                6.7 +/-    1.20       8.5 +/-    1.20  0.030 / 0.020
G06     47.7           25.5                3.8 +/-    1.95       7.4 +/-    1.95  0.060 / 0.060
G12     230.2          78.5                5.3 +/-    0.42       5.4 +/-    0.42  0.080 / 0.050
G19     89.7           18.6                4.9 +/-    1.42      11.3 +/-    1.42  0.120 / 0.260
G25     306.1          50.4                3.8 +/-    3.30       4.8 +/-    3.30  0.100 / 0.160
G29     299.7          20.9                4.2 +/-    1.15       9.0 +/-    1.15  0.030 / 0.040