PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/12-16:58:10
G05     47.8           20.5                5.7 +/-    0.93      12.3 +/-    0.93  0.050 / 0.130
G10     235.3          13.5               11.1 +/-    1.76      28.6 +/-    1.76  0.060 / 0.140
G13     75.8           35.2                8.8 +/-    0.55      14.0 +/-    0.55  0.050 / 0.080
G15     124.0          52.0               10.7 +/-    0.80      13.2 +/-    0.80  0.070 / 0.080
G16     314.3          12.5                7.3 +/-    1.80      19.3 +/-    1.80  0.060 / 0.150
G20     248.2          38.0               11.1 +/-    1.20      16.6 +/-    1.20  0.050 / 0.130
G21     312.5          45.8                7.6 +/-    1.66      10.1 +/-    1.66  0.090 / 0.370
G25     200.3          12.5               10.6 +/-    1.82      28.0 +/-    1.82  0.110 / 0.420
G26     288.5          20.2                8.4 +/-    2.10      18.4 +/-    2.10  0.030 / 0.030
G29     152.1          74.6               12.4 +/-    0.93      12.8 +/-    0.93  0.030 / 0.030