PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/09-22:27:50
G01     98.0           29.2                9.6 +/-    0.80      17.1 +/-    0.80  0.060 / 0.140
G07     119.5          46.8               11.6 +/-    0.75      15.2 +/-    0.75  0.060 / 0.130
G08     41.6           11.8                7.7 +/-    1.29      20.6 +/-    1.29  0.050 / 0.070
G11     75.4           41.6               10.4 +/-    0.42      14.8 +/-    0.42  0.050 / 0.070
G13     301.8          33.9               10.3 +/-    0.92      16.7 +/-    0.92  0.030 / 0.030
G17     208.7          48.2               12.6 +/-    1.50      16.2 +/-    1.50  0.030 / 0.040
G18     68.0           23.4                8.4 +/-    0.72      17.1 +/-    0.72  0.060 / 0.130
G19     211.2          20.2               10.8 +/-    2.13      23.7 +/-    2.13  0.070 / 0.160
G28     326.9          61.1                8.7 +/-    0.87       9.8 +/-    0.87  0.040 / 0.050
G30     72.1           79.5               10.5 +/-    0.68      10.6 +/-    0.68  0.030 / 0.060