PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/08-14:28:00
G02     200.5          13.6                7.4 +/-    0.95      19.1 +/-    0.95  0.040 / 0.080
G06     171.3          48.6               10.1 +/-    1.17      13.0 +/-    1.17  0.050 / 0.080
G13     229.6          16.8                7.9 +/-    1.57      18.8 +/-    1.57  0.110 / 0.200
G17     7.5            66.8                7.9 +/-    0.67       8.6 +/-    0.67  0.110 / 0.160
G19     309.5          72.2                7.6 +/-    0.45       8.0 +/-    0.45  0.040 / 0.060
G24     313.1          25.1                8.1 +/-    2.18      15.8 +/-    2.18  0.050 / 0.070
G28     76.4           47.6                7.2 +/-    0.67       9.3 +/-    0.67  0.080 / 0.320
G30     156.4          19.2               11.2 +/-    2.34      25.2 +/-    2.34  0.080 / 0.360