PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/27-02:57:50
G07     330.2          57.2                3.4 +/-    0.53       4.0 +/-    0.53  0.060 / 0.050
G08     100.9          50.2                6.1 +/-    0.38       7.7 +/-    0.38  0.070 / 0.060
G09     186.5          75.3                3.5 +/-    0.30       3.6 +/-    0.30  0.200 / 0.130
G11     146.6          11.7                5.4 +/-    7.66      14.7 +/-    7.66  0.170 / 0.150
G16     45.7           10.3                2.1 +/-    4.08       5.8 +/-    4.08  0.030 / 0.040
G23     155.1          48.0                5.4 +/-    0.94       7.0 +/-    0.94  0.040 / 0.040
G27     61.0           35.0                4.7 +/-    0.95       7.4 +/-    0.95  0.200 / 0.370
G28     233.8          24.7                4.0 +/-    2.50       7.9 +/-    2.50  0.110 / 0.300
G30     298.1          31.3                3.6 +/-    1.80       6.2 +/-    1.80  0.200 / 0.430