PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/07/10-16:12:40
G01     39.4           13.9                6.3 +/-    2.50      16.1 +/-    2.50  0.050 / 0.070
G06     173.7          41.3                8.1 +/-    1.52      11.5 +/-    1.52  0.050 / 0.080
G13     234.6          21.0                8.1 +/-    1.70      17.3 +/-    1.70  0.230 / 0.340
G15     268.5          11.4                7.3 +/-    3.02      19.8 +/-    3.02  0.260 / 0.450
G17     359.4          70.5                7.0 +/-    0.70       7.4 +/-    0.70  0.030 / 0.040
G19     286.4          71.1                6.1 +/-    1.18       6.4 +/-    1.18  0.030 / 0.040
G24     315.7          20.6                5.4 +/-    2.67      11.7 +/-    2.67  0.030 / 0.030
G28     68.5           50.2                7.8 +/-    1.60       9.9 +/-    1.60  0.040 / 0.040
G30     154.7          23.9                7.1 +/-    3.22      14.1 +/-    3.22  0.080 / 0.080