PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/17-19:28:10
G01     73.7           33.2               13.6 +/-    0.92      22.4 +/-    0.92  0.090 / 0.230
G07     136.0          33.6               16.0 +/-    0.89      26.0 +/-    0.89  0.090 / 0.240
G11     56.0           33.1               12.6 +/-    1.62      20.8 +/-    1.62  0.050 / 0.090
G13     277.7          37.7               16.4 +/-    2.53      24.8 +/-    2.53  0.060 / 0.090
G15     305.1          14.5               10.4 +/-    2.54      26.3 +/-    2.54  0.030 / 0.030
G17     228.8          63.6               17.7 +/-    0.99      19.5 +/-    0.99  0.030 / 0.030
G18     51.3           19.6               12.3 +/-    4.20      27.3 +/-    4.20  0.170 / 0.150
G19     222.5          38.3               18.6 +/-    1.62      27.8 +/-    1.62  0.260 / 0.270
G28     15.7           59.8               14.6 +/-    0.80      16.6 +/-    0.80  0.050 / 0.060
G30     132.8          63.3               15.6 +/-    0.31      17.3 +/-    0.31  0.030 / 0.050