PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/01/14-00:42:50
G07     329.8          56.7                6.2 +/-    0.83       7.2 +/-    0.83  0.110 / 0.200
G08     103.9          51.3               11.1 +/-    1.14      13.7 +/-    1.14  0.100 / 0.140
G09     199.0          76.6                9.5 +/-    1.63       9.7 +/-    1.63  0.130 / 0.510
G11     148.3          11.1                8.2 +/-   13.25      22.3 +/-   13.25  0.140 / 0.550
G16     46.0           11.0                4.5 +/-    2.29      12.3 +/-    2.29  0.050 / 0.050
G23     154.7          43.9               11.2 +/-    0.69      15.3 +/-    0.69  0.040 / 0.050
G27     56.4           32.0                6.3 +/-    0.70      10.6 +/-    0.70  0.030 / 0.040
G28     236.0          28.5                9.3 +/-    3.06      16.8 +/-    3.06  0.030 / 0.050
G30     301.9          36.1                8.1 +/-    1.34      12.6 +/-    1.34  0.060 / 0.070