PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/08-17:12:50
G01     99.0           29.2               10.3 +/-    0.75      18.4 +/-    0.75  0.040 / 0.040
G07     117.4          52.5               10.2 +/-    0.65      12.5 +/-    0.65  0.030 / 0.030
G08     41.9           15.0                7.8 +/-    1.89      19.5 +/-    1.89  0.030 / 0.050
G11     78.8           42.3               10.8 +/-    1.05      15.1 +/-    1.05  0.030 / 0.060
G13     302.8          32.9               10.5 +/-    1.14      17.4 +/-    1.14  0.120 / 0.290
G17     210.1          43.7               11.8 +/-    1.53      16.1 +/-    1.53  0.110 / 0.220
G18     72.1           24.8               10.4 +/-    0.96      20.5 +/-    0.96  0.040 / 0.060
G19     211.8          18.2                9.7 +/-    2.48      22.4 +/-    2.48  0.040 / 0.070
G28     333.7          61.8                8.9 +/-    0.70      10.0 +/-    0.70  0.040 / 0.050
G30     67.9           79.6               10.8 +/-    0.50      11.0 +/-    0.50  0.040 / 0.070