PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/02/09-01:12:40
G01     72.6           32.9                5.2 +/-    1.49       8.6 +/-    1.49  0.050 / 0.080
G07     136.2          28.9                8.3 +/-    0.86      14.8 +/-    0.86  0.050 / 0.070
G11     53.6           30.7                4.8 +/-    1.41       8.3 +/-    1.41  0.060 / 0.080
G13     276.0          38.3                6.7 +/-    1.62      10.0 +/-    1.62  0.080 / 0.110
G15     304.0          14.9                2.4 +/-    1.72       6.0 +/-    1.72  0.040 / 0.040
G17     230.5          70.2                8.4 +/-    0.31       8.9 +/-    0.31  0.040 / 0.040
G19     222.4          39.5                9.3 +/-    1.61      13.6 +/-    1.61  0.100 / 0.110
G28     10.3           60.6                5.3 +/-    1.63       6.0 +/-    1.63  0.110 / 0.100
G30     133.8          64.0                7.9 +/-    0.51       8.7 +/-    0.51  0.080 / 0.220