PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/05-15:43:00
G01     117.5          18.2               12.2 +/-    1.42      28.1 +/-    1.42  0.070 / 0.080
G07     90.6           61.5               13.3 +/-    1.03      14.9 +/-    1.03  0.120 / 0.080
G08     44.8           31.5                9.0 +/-    2.23      15.3 +/-    2.23  0.060 / 0.090
G09     177.5          26.4               13.7 +/-    1.42      26.0 +/-    1.42  0.050 / 0.060
G11     104.6          41.1               13.8 +/-    0.83      19.7 +/-    0.83  0.040 / 0.030
G13     316.8          21.1               10.2 +/-    2.82      21.9 +/-    2.82  0.040 / 0.040
G17     201.6          24.4               16.6 +/-    2.79      32.8 +/-    2.79  0.250 / 0.310
G18     91.7           21.1               10.9 +/-    1.53      23.4 +/-    1.53  0.100 / 0.330
G28     286.6          54.3               13.5 +/-    2.05      16.2 +/-    2.05  0.160 / 0.180
G30     357.3          71.9               14.1 +/-    0.75      14.8 +/-    0.75  0.090 / 0.220