PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/05-15:58:00
G03     188.4          16.8               13.0 +/-    2.15      31.0 +/-    2.15  0.030 / 0.040
G07     293.5          39.0               15.0 +/-    0.98      22.2 +/-    0.98  0.030 / 0.040
G08     142.1          29.9               16.7 +/-    1.18      29.3 +/-    1.18  0.030 / 0.030
G09     319.4          66.1               13.1 +/-    1.43      14.1 +/-    1.43  0.030 / 0.040
G16     42.0           34.0               11.4 +/-    0.74      18.5 +/-    0.74  0.060 / 0.180
G23     128.2          70.6               16.1 +/-    0.57      17.0 +/-    0.57  0.060 / 0.160
G27     94.7           35.1               14.3 +/-    1.06      22.6 +/-    1.06  0.040 / 0.080
G30     276.8          15.6               15.5 +/-    1.90      38.1 +/-    1.90  0.040 / 0.070