PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/30-11:42:40
G02     33.8           54.6                3.8 +/-    0.88       4.5 +/-    0.88  0.030 / 0.040
G05     141.2          62.8                6.9 +/-    0.45       7.7 +/-    0.45  0.040 / 0.030
G06     54.2           15.4                2.1 +/-    4.49       5.1 +/-    4.49  0.040 / 0.040
G12     197.1          66.3                5.2 +/-    1.00       5.6 +/-    1.00  0.030 / 0.040
G19     100.4          10.7                5.6 +/-    2.12      15.4 +/-    2.12  0.070 / 0.090
G25     287.1          58.9                4.1 +/-    3.18       4.7 +/-    3.18  0.070 / 0.110
G29     309.0          30.1                3.9 +/-    1.30       6.8 +/-    1.30  0.030 / 0.030