PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/10-14:57:50
G01     101.0          28.4               10.8 +/-    1.04      19.6 +/-    1.04  0.020 / 0.020
G07     115.1          53.8               10.1 +/-    0.91      12.2 +/-    0.91  0.020 / 0.030
G08     41.7           15.2                7.6 +/-    1.74      18.9 +/-    1.74  0.060 / 0.120
G11     80.4           42.3               10.0 +/-    1.45      14.0 +/-    1.45  0.070 / 0.130
G13     304.5          32.1                8.1 +/-    1.46      13.5 +/-    1.46  0.030 / 0.040
G17     208.6          43.4               11.5 +/-    1.18      15.9 +/-    1.18  0.030 / 0.030
G18     73.8           24.7                9.6 +/-    1.32      18.8 +/-    1.32  0.060 / 0.120
G19     211.2          15.8               11.0 +/-    3.03      26.7 +/-    3.03  0.060 / 0.140
G28     329.5          61.7                8.9 +/-    0.51       9.9 +/-    0.51  0.060 / 0.100
G30     51.4           80.0               10.2 +/-    0.46      10.3 +/-    0.46  0.060 / 0.110