PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/29-00:28:10
G02     205.1          42.3                9.6 +/-    1.50      13.5 +/-    1.50  0.070 / 0.060
G06     159.8          73.2                8.8 +/-    0.32       9.2 +/-    0.32  0.040 / 0.070
G12     309.8          18.0                8.7 +/-    1.40      20.2 +/-    1.40  0.060 / 0.110
G17     42.8           43.2                6.7 +/-    1.74       9.2 +/-    1.74  0.070 / 0.100
G19     13.4           61.3                7.4 +/-    0.45       8.4 +/-    0.45  0.040 / 0.030
G24     288.2          41.7               11.5 +/-    2.91      16.3 +/-    2.91  0.050 / 0.030
G28     106.7          30.2               10.3 +/-    1.34      17.9 +/-    1.34  0.270 / 0.140