PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/30-19:27:50
G01     48.9           24.7               10.4 +/-    2.35      20.6 +/-    2.35  0.110 / 0.370
G06     176.7          27.5               13.7 +/-    2.23      25.3 +/-    2.23  0.120 / 0.380
G07     146.8          11.5               15.9 +/-    2.14      43.1 +/-    2.14  0.220 / 0.210
G11     44.5           14.4                9.3 +/-    2.16      23.6 +/-    2.16  0.170 / 0.260
G13     249.1          29.6               14.5 +/-    1.56      25.7 +/-    1.56  0.050 / 0.080
G15     283.1          15.2               11.4 +/-    1.71      28.3 +/-    1.71  0.060 / 0.060
G17     309.1          77.7               12.8 +/-    0.52      13.1 +/-    0.52  0.090 / 0.130
G19     248.0          59.3               13.4 +/-    0.91      15.3 +/-    0.91  0.090 / 0.130
G28     54.9           52.2               12.6 +/-    1.11      15.5 +/-    1.11  0.090 / 0.150
G30     150.3          39.4               13.5 +/-    1.03      19.8 +/-    1.03  0.120 / 0.110