PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/08-00:12:40
G01     77.3           33.3                8.9 +/-    1.20      14.5 +/-    1.20  0.050 / 0.050
G07     134.0          36.3               10.8 +/-    1.28      16.8 +/-    1.28  0.040 / 0.050
G11     60.2           36.5                7.1 +/-    0.86      11.0 +/-    0.86  0.050 / 0.100
G13     282.2          37.5                8.5 +/-    1.19      12.8 +/-    1.19  0.080 / 0.080
G15     306.6          14.4                5.8 +/-    3.53      14.6 +/-    3.53  0.050 / 0.030
G17     225.1          61.5                9.8 +/-    1.52      11.0 +/-    1.52  0.050 / 0.040
G19     220.5          37.1               10.2 +/-    1.61      15.7 +/-    1.61  0.030 / 0.060
G28     11.0           60.2                7.9 +/-    1.02       8.9 +/-    1.02  0.040 / 0.060
G30     129.1          63.2               10.3 +/-    0.31      11.4 +/-    0.31  0.060 / 0.060