PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/05-00:28:00
G01     128.8          10.3               -4.3 +/-   36.38     -11.9 +/-   36.38  0.110 / 0.090
G07     45.2           69.7                7.7 +/-    0.52       8.2 +/-    0.52  0.080 / 0.070
G08     53.3           42.8                7.1 +/-    1.02       9.9 +/-    1.02  0.280 / 0.340
G09     179.3          39.5                9.7 +/-    1.30      14.2 +/-    1.30  0.170 / 0.390
G11     123.2          33.3                9.5 +/-    1.70      15.6 +/-    1.70  0.030 / 0.040
G17     200.1          12.0                2.3 +/-   13.79       6.1 +/-   13.79  0.030 / 0.030
G28     273.8          52.2                8.5 +/-    2.87      10.4 +/-    2.87  0.110 / 0.360
G30     336.4          61.9                6.1 +/-    0.50       6.8 +/-    0.50  0.110 / 0.290