PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/24-15:43:00
G01     48.9           24.6                8.6 +/-    0.87      17.0 +/-    0.87  0.040 / 0.070
G06     176.0          28.0               10.4 +/-    0.95      18.9 +/-    0.95  0.060 / 0.080
G07     146.7          11.2                9.3 +/-    4.33      25.3 +/-    4.33  0.060 / 0.100
G11     44.2           13.2                6.8 +/-    1.59      17.6 +/-    1.59  0.050 / 0.110
G13     248.7          29.6                9.8 +/-    1.64      17.2 +/-    1.64  0.040 / 0.060
G15     285.0          14.7                7.2 +/-    2.02      18.1 +/-    2.02  0.040 / 0.060
G17     323.2          78.1               10.1 +/-    0.75      10.2 +/-    0.75  0.100 / 0.260
G19     247.0          58.0               10.6 +/-    0.91      12.3 +/-    0.91  0.110 / 0.250
G28     54.5           52.4                9.8 +/-    0.54      12.0 +/-    0.54  0.250 / 0.260
G30     150.7          40.9               11.0 +/-    0.89      15.8 +/-    0.89  0.120 / 0.280