PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/16-01:12:30
G02     203.6          37.9                8.4 +/-    0.89      12.7 +/-    0.89  0.060 / 0.080
G06     167.6          68.2                7.1 +/-    0.77       7.6 +/-    0.77  0.100 / 0.100
G12     307.7          14.9                4.2 +/-    2.19      10.5 +/-    2.19  0.210 / 0.310
G17     39.5           45.9                5.9 +/-    0.76       7.9 +/-    0.76  0.120 / 0.250
G19     5.2            64.0                6.3 +/-    0.52       6.9 +/-    0.52  0.050 / 0.080
G24     293.1          40.5                4.7 +/-   12.01       6.8 +/-   12.01  0.050 / 0.080
G28     102.8          32.8                8.3 +/-    0.94      13.7 +/-    0.94  0.040 / 0.030