PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/07-09:43:00
G02     202.3          27.0                4.6 +/-    1.35       8.7 +/-    1.35  0.070 / 0.090
G06     166.1          62.7                7.1 +/-    0.41       7.9 +/-    0.41  0.080 / 0.080
G12     304.3          11.7               -1.0 +/-   10.41      -2.6 +/-   10.41  0.140 / 0.230
G17     32.9           51.6                6.1 +/-    1.15       7.6 +/-    1.15  0.180 / 0.250
G19     337.1          68.9                5.5 +/-    0.44       5.8 +/-    0.44  0.030 / 0.040
G24     300.7          37.9                4.7 +/-    0.88       7.1 +/-    0.88  0.040 / 0.030
G28     95.6           36.3                7.2 +/-    0.67      11.2 +/-    0.67  0.030 / 0.030