PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/29-20:12:50
G01     121.1          15.8               14.3 +/-    1.50      34.8 +/-    1.50  0.030 / 0.040
G07     82.8           63.6               14.3 +/-    0.58      15.8 +/-    0.58  0.030 / 0.040
G08     45.7           32.7                9.6 +/-    1.67      15.9 +/-    1.67  0.090 / 0.120
G09     177.8          29.9               15.6 +/-    1.42      27.4 +/-    1.42  0.090 / 0.100
G11     108.4          39.4               14.5 +/-    1.30      21.3 +/-    1.30  0.130 / 0.250
G13     318.6          17.9               10.4 +/-    1.98      24.0 +/-    1.98  0.190 / 0.220
G17     200.1          22.8               15.1 +/-    2.50      31.2 +/-    2.50  0.080 / 0.090
G18     94.2           19.5               12.7 +/-    0.83      28.3 +/-    0.83  0.060 / 0.090
G28     282.1          53.4               13.4 +/-    2.06      16.3 +/-    2.06  0.040 / 0.030
G30     343.5          67.1               13.9 +/-    0.62      14.9 +/-    0.62  0.040 / 0.030