PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/05-15:27:50
G01     96.2           30.2               14.5 +/-    1.10      25.3 +/-    1.10  0.090 / 0.120
G07     120.3          50.1               12.3 +/-    0.67      15.5 +/-    0.67  0.090 / 0.150
G08     41.9           11.8               11.5 +/-    1.53      30.7 +/-    1.53  0.030 / 0.040
G11     74.7           41.4               12.4 +/-    1.42      17.7 +/-    1.42  0.030 / 0.040
G13     300.2          34.2                8.2 +/-    1.70      13.3 +/-    1.70  0.040 / 0.050
G17     211.1          47.6               12.2 +/-    0.35      15.9 +/-    0.35  0.060 / 0.050
G18     69.1           24.5               14.2 +/-    2.19      28.0 +/-    2.19  0.180 / 0.170
G19     212.7          19.9               11.0 +/-    2.20      24.2 +/-    2.20  0.110 / 0.330
G28     338.6          61.9                9.9 +/-    0.34      11.1 +/-    0.34  0.320 / 0.240
G30     79.0           79.4               11.5 +/-    0.47      11.7 +/-    0.47  0.140 / 0.240