PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/05-18:57:50
G03     189.5          21.0               13.9 +/-    2.00      29.8 +/-    2.00  0.130 / 0.330
G07     291.7          40.5               11.3 +/-    3.07      16.3 +/-    3.07  0.150 / 0.280
G08     140.7          27.3               14.4 +/-    2.01      26.7 +/-    2.01  0.030 / 0.030
G09     320.7          60.8               10.2 +/-    0.89      11.5 +/-    0.89  0.040 / 0.030
G16     44.6           45.2                8.8 +/-    0.74      11.9 +/-    0.74  0.100 / 0.110
G23     102.0          82.0               10.7 +/-    0.30      10.7 +/-    0.30  0.080 / 0.090
G26     43.8           17.0                8.2 +/-    2.73      19.5 +/-    2.73  0.070 / 0.080
G27     104.3          32.9               12.9 +/-    0.79      21.2 +/-    0.79  0.060 / 0.080
G30     272.7          11.9                8.7 +/-   18.68      23.2 +/-   18.68  0.040 / 0.090