PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/19-20:58:00
G08     266.0          17.7               18.7 +/-    1.64      43.4 +/-    1.64  0.260 / 0.330
G10     61.7           58.6                9.9 +/-    0.67      11.4 +/-    0.67  0.250 / 0.220
G11     310.9          17.8                9.6 +/-    2.31      22.2 +/-    2.31  0.280 / 0.620
G14     270.3          67.2               10.3 +/-    0.63      11.0 +/-    0.63  0.210 / 0.520
G18     93.3           34.7               10.8 +/-    1.06      17.3 +/-    1.06  0.070 / 0.100
G21     153.4          10.7               11.8 +/-    3.16      32.5 +/-    3.16  0.040 / 0.100
G24     39.9           10.6               10.5 +/-    3.55      29.0 +/-    3.55  0.110 / 0.230
G27     229.9          14.9               11.5 +/-    1.68      28.8 +/-    1.68  0.060 / 0.360
G31     180.4          28.7               11.4 +/-    0.81      20.5 +/-    0.81  0.030 / 0.020
G32     334.8          74.0               10.2 +/-    0.30      10.6 +/-    0.30  0.020 / 0.020