PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/15-23:43:10
G03     239.4          68.1                8.4 +/-    0.98       8.9 +/-    0.98  0.050 / 0.060
G09     305.1          22.4                5.9 +/-    2.17      12.2 +/-    2.17  0.040 / 0.050
G14     98.5           17.8                7.2 +/-    1.28      16.6 +/-    1.28  0.120 / 0.320
G16     120.1          59.1                9.5 +/-    0.51      10.9 +/-    0.51  0.130 / 0.300
G22     197.5          54.9                9.6 +/-    1.92      11.4 +/-    1.92  0.040 / 0.060
G23     320.1          50.0                6.7 +/-    1.02       8.5 +/-    1.02  0.040 / 0.060
G26     67.4           50.7                6.2 +/-    0.47       7.7 +/-    0.47  0.050 / 0.070
G31     53.1           18.2                4.1 +/-    1.78       9.5 +/-    1.78  0.050 / 0.060