PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/14-10:27:10
G02     219.0          61.5                5.3 +/-    1.16       5.9 +/-    1.16  0.050 / 0.090
G06     52.3           72.5                3.6 +/-    0.36       3.8 +/-    0.36  0.060 / 0.060
G12     319.4          39.1                2.1 +/-    0.98       3.0 +/-    0.98  0.030 / 0.020
G17     61.0           28.4                3.0 +/-    1.82       5.4 +/-    1.82  0.040 / 0.020
G19     39.0           49.7                3.7 +/-    1.66       4.7 +/-    1.66  0.040 / 0.050
G24     256.2          41.4                5.5 +/-    2.88       7.8 +/-    2.88  0.050 / 0.040
G28     123.9          13.1                4.1 +/-    2.12      10.6 +/-    2.12  0.040 / 0.080