PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/02/05-23:43:00
G01     122.4          15.0                8.9 +/-    1.33      22.2 +/-    1.33  0.120 / 0.250
G07     76.9           65.6                7.8 +/-    0.28       8.5 +/-    0.28  0.100 / 0.280
G08     46.0           32.9                6.1 +/-    0.61      10.0 +/-    0.61  0.040 / 0.050
G09     177.2          30.2                7.7 +/-    1.60      13.4 +/-    1.60  0.030 / 0.040
G11     109.7          38.6                8.7 +/-    0.47      12.9 +/-    0.47  0.040 / 0.040
G13     319.2          16.7                6.5 +/-    1.75      15.6 +/-    1.75  0.030 / 0.050
G17     199.6          22.4                7.8 +/-    2.75      16.1 +/-    2.75  0.050 / 0.070
G18     94.1           18.9                8.3 +/-    1.14      18.9 +/-    1.14  0.050 / 0.080
G28     281.2          53.5                8.9 +/-    0.82      10.8 +/-    0.82  0.170 / 0.270
G30     338.9          64.9                6.6 +/-    0.42       7.2 +/-    0.42  0.150 / 0.200