PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/04-15:12:30
G07     336.5          59.2               11.0 +/-    0.55      12.6 +/-    0.55  0.030 / 0.040
G08     96.6           52.9               10.6 +/-    0.60      12.9 +/-    0.60  0.030 / 0.040
G09     187.0          70.3               11.7 +/-    0.54      12.3 +/-    0.54  0.040 / 0.040
G11     144.4          14.9               12.1 +/-    2.17      30.1 +/-    2.17  0.030 / 0.030
G23     155.3          35.4               11.4 +/-    1.33      18.0 +/-    1.33  0.050 / 0.090
G27     52.4           30.1               10.4 +/-    1.95      18.1 +/-    1.95  0.060 / 0.100
G28     239.7          31.8               15.8 +/-    2.08      26.6 +/-    2.08  0.050 / 0.080
G30     304.4          37.2               12.0 +/-    1.48      18.3 +/-    1.48  0.080 / 0.080