PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/03-15:27:50
G01     100.4          28.7               10.1 +/-    0.93      18.2 +/-    0.93  0.030 / 0.040
G07     115.9          53.3               11.2 +/-    0.39      13.6 +/-    0.39  0.030 / 0.040
G08     41.7           15.0                8.8 +/-    1.87      22.0 +/-    1.87  0.040 / 0.080
G11     79.7           42.3               11.1 +/-    0.74      15.6 +/-    0.74  0.050 / 0.080
G13     304.0          32.4               12.4 +/-    1.54      20.7 +/-    1.54  0.060 / 0.130
G17     209.0          43.7               12.5 +/-    2.55      17.2 +/-    2.55  0.060 / 0.110
G18     73.2           24.7               10.7 +/-    0.66      21.0 +/-    0.66  0.020 / 0.060
G19     211.4          16.5               12.6 +/-    5.11      30.2 +/-    5.11  0.020 / 0.060
G28     330.9          61.7               10.5 +/-    0.67      11.8 +/-    0.67  0.050 / 0.050
G30     56.5           80.0               11.2 +/-    0.63      11.3 +/-    0.63  0.040 / 0.060