PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/27-00:57:50
G07     333.3          58.4                3.5 +/-    0.85       4.0 +/-    0.85  0.030 / 0.040
G08     98.8           50.5                7.7 +/-    0.71       9.6 +/-    0.71  0.030 / 0.070
G09     189.1          75.0                6.6 +/-    0.38       6.8 +/-    0.38  0.240 / 0.230
G11     145.7          12.5                9.6 +/-    2.79      25.4 +/-    2.79  0.200 / 0.270
G16     46.0           10.3                2.3 +/-    3.83       6.5 +/-    3.83  0.050 / 0.060
G23     155.6          46.7                7.5 +/-    1.01       9.8 +/-    1.01  0.060 / 0.050
G27     60.1           34.8                5.5 +/-    1.42       8.8 +/-    1.42  0.160 / 0.580
G28     234.6          25.3                6.0 +/-    2.37      11.7 +/-    2.37  0.190 / 0.830
G30     299.2          32.4                4.6 +/-    2.48       7.7 +/-    2.48  0.050 / 0.070