PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/07-15:58:10
G10     250.9          28.9                9.7 +/-    2.48      17.5 +/-    2.48  0.130 / 0.590
G13     52.6           28.4                6.2 +/-    1.59      11.3 +/-    1.59  0.170 / 0.650
G15     81.8           56.2                8.1 +/-    0.80       9.5 +/-    0.80  0.050 / 0.060
G16     294.5          16.0                5.4 +/-    4.39      13.1 +/-    4.39  0.040 / 0.060
G20     272.9          53.2                9.7 +/-    0.83      11.8 +/-    0.83  0.080 / 0.130
G21     335.0          60.2                9.2 +/-    1.15      10.4 +/-    1.15  0.070 / 0.130
G26     268.0          15.3                8.5 +/-    1.50      21.0 +/-    1.50  0.090 / 0.180
G29     163.9          50.9                8.6 +/-    1.30      10.7 +/-    1.30  0.060 / 0.160