PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/07-12:43:00
G01     321.0          12.0              -12.8 +/-   28.89     -34.1 +/-   28.89  0.060 / 0.050
G08     263.0          17.0                6.2 +/-    1.17      14.6 +/-    1.17  0.050 / 0.060
G10     67.9           56.2                4.5 +/-    0.72       5.3 +/-    0.72  0.030 / 0.040
G11     308.5          19.9                4.7 +/-    2.69      10.5 +/-    2.69  0.040 / 0.040
G14     275.9          68.9                5.4 +/-    0.49       5.8 +/-    0.49  0.110 / 0.190
G18     309.2          37.4                4.2 +/-    1.21       6.3 +/-    1.21  0.240 / 0.270
G20     98.7           34.2                4.4 +/-    0.30       7.1 +/-    0.30  0.190 / 0.320
G27     231.4          14.5                5.8 +/-    1.54      14.7 +/-    1.54  0.170 / 0.370
G31     179.5          31.5                6.2 +/-    1.70      10.5 +/-    1.70  0.150 / 0.310
G32     334.5          73.5                6.0 +/-    0.49       6.3 +/-    0.49  0.120 / 0.260