PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/01/14-00:58:00
G07     340.4          60.4                6.8 +/-    1.36       7.7 +/-    1.36  0.070 / 0.150
G08     91.9           52.8                8.0 +/-    0.60       9.8 +/-    0.60  0.100 / 0.130
G09     188.3          69.4                9.3 +/-    0.99       9.9 +/-    0.99  0.050 / 0.040
G11     143.9          15.5                9.7 +/-    1.98      24.0 +/-    1.98  0.040 / 0.050
G23     156.9          36.7               10.5 +/-    1.56      16.2 +/-    1.56  0.040 / 0.040
G27     50.2           28.3                2.8 +/-    0.84       5.1 +/-    0.84  0.050 / 0.040
G28     241.7          34.0               11.0 +/-    1.34      17.8 +/-    1.34  0.050 / 0.080
G30     307.7          40.7                6.2 +/-    1.38       9.0 +/-    1.38  0.050 / 0.080