PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/06-00:27:50
G01     73.5           33.2                6.0 +/-    1.09       9.9 +/-    1.09  0.030 / 0.040
G07     136.1          33.4               10.0 +/-    1.47      16.4 +/-    1.47  0.030 / 0.050
G11     57.5           34.6                6.5 +/-    1.24      10.3 +/-    1.24  0.050 / 0.070
G13     278.1          37.4                7.5 +/-    1.81      11.4 +/-    1.81  0.050 / 0.050
G15     303.9          15.2                4.5 +/-    1.28      11.1 +/-    1.28  0.040 / 0.030
G17     229.3          64.5                8.6 +/-    0.84       9.5 +/-    0.84  0.060 / 0.050
G19     222.7          40.1                9.1 +/-    1.52      13.3 +/-    1.52  0.060 / 0.100
G28     16.7           59.6                6.1 +/-    1.32       6.9 +/-    1.32  0.090 / 0.090
G30     132.9          60.1                8.9 +/-    0.44      10.1 +/-    0.44  0.050 / 0.090