PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/22-01:28:10
G02     212.7          57.2              -16.9 +/-    0.93     -19.8 +/-    0.93  0.050 / 0.060
G06     90.5           81.3                5.2 +/-    0.59       5.3 +/-    0.59  0.050 / 0.070
G12     316.1          29.9                5.0 +/-    1.58       8.8 +/-    1.58  0.090 / 0.080
G17     54.8           33.4                4.3 +/-    2.58       7.0 +/-    2.58  0.090 / 0.080
G19     33.9           51.9                5.7 +/-    1.31       7.0 +/-    1.31  0.080 / 0.220
G24     268.3          42.7                4.8 +/-    2.01       6.7 +/-    2.01  0.130 / 0.290
G28     118.6          20.0                6.2 +/-    1.27      13.6 +/-    1.27  0.040 / 0.040