PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/22-01:12:40
G01     75.8           33.3                6.0 +/-    0.68       9.9 +/-    0.68  0.030 / 0.040
G07     134.9          35.1                7.8 +/-    1.30      12.3 +/-    1.30  0.030 / 0.050
G11     59.0           35.7                4.5 +/-    0.40       7.0 +/-    0.40  0.040 / 0.040
G13     280.7          37.4                8.0 +/-    1.28      12.1 +/-    1.28  0.050 / 0.040
G15     305.5          14.8                4.1 +/-    2.48      10.4 +/-    2.48  0.060 / 0.090
G17     226.8          63.4                9.0 +/-    1.12      10.0 +/-    1.12  0.050 / 0.090
G19     221.3          38.5                9.3 +/-    1.23      13.9 +/-    1.23  0.050 / 0.080
G28     13.4           60.0                5.3 +/-    0.61       6.0 +/-    0.61  0.050 / 0.070
G30     130.8          61.3                8.0 +/-    0.50       9.0 +/-    0.50  0.070 / 0.090