PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/07/08-04:27:50
G01     320.1          15.9              -15.9 +/-   31.23     -38.5 +/-   31.23  0.130 / 0.380
G08     263.4          15.2                8.5 +/-    1.01      21.1 +/-    1.01  0.180 / 0.410
G10     74.8           53.8                6.0 +/-    0.77       7.3 +/-    0.77  0.040 / 0.030
G11     306.5          20.9                6.9 +/-    2.97      14.8 +/-    2.97  0.030 / 0.030
G14     283.6          69.5                5.6 +/-    1.49       6.0 +/-    1.49  0.140 / 0.360
G18     307.6          38.5                5.9 +/-    1.13       8.8 +/-    1.13  0.190 / 0.300
G20     102.1          32.0                5.0 +/-    1.09       8.4 +/-    1.09  0.070 / 0.060
G27     227.2          11.7                7.4 +/-    1.29      20.0 +/-    1.29  0.070 / 0.050
G31     175.6          38.7                6.5 +/-    0.99       9.6 +/-    0.99  0.140 / 0.290
G32     354.3          71.0                5.7 +/-    0.44       6.0 +/-    0.44  0.140 / 0.230