PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/02/11-23:58:00
G01     106.1          25.7                9.5 +/-    1.86      18.4 +/-    1.86  0.130 / 0.130
G07     110.3          53.8                9.1 +/-    0.80      11.0 +/-    0.80  0.100 / 0.150
G08     41.5           17.7                6.7 +/-    1.65      15.7 +/-    1.65  0.090 / 0.120
G09     174.6          13.2                9.4 +/-    2.14      24.4 +/-    2.14  0.080 / 0.150
G11     85.5           42.6                9.3 +/-    1.03      13.0 +/-    1.03  0.030 / 0.030
G13     308.7          29.7                7.5 +/-    1.03      13.2 +/-    1.03  0.030 / 0.040
G17     204.9          40.8               10.3 +/-    1.49      14.7 +/-    1.49  0.050 / 0.060
G18     75.3           23.2                6.1 +/-    1.58      12.4 +/-    1.58  0.040 / 0.050
G28     312.9          59.9                7.8 +/-    0.91       8.9 +/-    0.91  0.200 / 0.260
G30     24.5           78.5                8.7 +/-    0.92       8.9 +/-    0.92  0.230 / 0.290