PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/20-23:27:50
G08     316.8          13.9                7.2 +/-    1.59      18.4 +/-    1.59  0.040 / 0.060
G10     325.6          59.2                9.5 +/-    0.80      10.8 +/-    0.80  0.040 / 0.050
G14     215.3          24.5               12.3 +/-    3.47      24.3 +/-    3.47  0.100 / 0.280
G15     46.2           14.8                6.7 +/-    3.29      16.9 +/-    3.29  0.100 / 0.310
G20     28.5           62.0                8.1 +/-    0.52       9.1 +/-    0.52  0.070 / 0.080
G21     128.4          62.7                7.9 +/-    0.73       8.8 +/-    0.73  0.060 / 0.090
G24     81.0           30.4                9.3 +/-    0.59      16.1 +/-    0.59  0.070 / 0.120
G27     282.1          38.0                9.4 +/-    1.57      14.2 +/-    1.57  0.070 / 0.130
G32     218.6          47.1               10.5 +/-    0.84      13.7 +/-    0.84  0.110 / 0.310