PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/05/06-08:43:00
G01     320.4          14.4              -12.7 +/-   30.21     -32.0 +/-   30.21  0.150 / 0.380
G08     262.2          15.9                4.6 +/-    2.37      11.2 +/-    2.37  0.120 / 0.460
G10     72.5           54.7                2.9 +/-    0.45       3.5 +/-    0.45  0.030 / 0.040
G11     306.9          20.9                3.4 +/-    3.10       7.2 +/-    3.10  0.030 / 0.040
G14     282.2          69.8                3.1 +/-    0.68       3.3 +/-    0.68  0.100 / 0.260
G18     308.1          38.2                2.8 +/-    1.02       4.3 +/-    1.02  0.190 / 0.320
G20     101.1          32.5                4.4 +/-    0.99       7.3 +/-    0.99  0.050 / 0.050
G27     228.8          12.7                3.2 +/-    4.64       8.3 +/-    4.64  0.050 / 0.060
G31     177.2          36.1                5.3 +/-    1.36       8.2 +/-    1.36  0.110 / 0.240
G32     342.1          72.5                4.1 +/-    0.72       4.3 +/-    0.72  0.090 / 0.280