PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/07/10-23:57:40
G10     246.3          24.5               10.3 +/-    0.78      20.3 +/-    0.78  0.120 / 0.140
G13     57.9           31.4                7.9 +/-    1.30      13.5 +/-    1.30  0.100 / 0.170
G15     95.8           57.6                9.5 +/-    1.24      11.0 +/-    1.24  0.040 / 0.050
G16     301.7          15.2                6.1 +/-    1.19      15.1 +/-    1.19  0.040 / 0.040
G20     263.4          47.1               11.3 +/-    3.44      14.8 +/-    3.44  0.070 / 0.150
G21     327.7          56.1                9.2 +/-    0.61      10.8 +/-    0.61  0.060 / 0.130
G26     273.7          17.2                8.5 +/-    3.20      20.0 +/-    3.20  0.040 / 0.040
G29     161.1          54.9                9.6 +/-    0.59      11.4 +/-    0.59  0.030 / 0.030