PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/03-15:43:10
G01     92.0           31.4               10.0 +/-    3.74      17.0 +/-    3.74  0.090 / 0.160
G07     124.1          47.0               10.3 +/-    4.06      13.5 +/-    4.06  0.090 / 0.120
G11     70.3           40.3                9.2 +/-    4.17      13.3 +/-    4.17  0.020 / 0.030
G13     296.2          35.6               10.0 +/-    3.98      15.7 +/-    3.98  0.030 / 0.020
G17     213.5          51.2               11.8 +/-    4.40      14.6 +/-    4.40  0.040 / 0.040
G18     65.3           24.1                9.6 +/-    3.08      19.2 +/-    3.08  0.040 / 0.040
G19     214.2          23.2               11.1 +/-    3.73      22.6 +/-    3.73  0.050 / 0.040
G28     345.9          61.8                8.6 +/-    3.66       9.6 +/-    3.66  0.070 / 0.050
G30     97.0           77.6                9.9 +/-    3.30      10.1 +/-    3.30  0.140 / 0.180