PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/27-02:27:40
G10     291.7          50.6                8.0 +/-    3.59      10.0 +/-    3.59  0.070 / 0.100
G15     46.9           31.4                5.8 +/-    1.45       9.8 +/-    1.45  0.060 / 0.110
G20     340.4          65.2                8.8 +/-    0.84       9.6 +/-    0.84  0.110 / 0.110
G21     77.0           76.4                9.3 +/-    0.72       9.5 +/-    0.72  0.120 / 0.120
G24     103.0          24.6                9.3 +/-    1.54      18.3 +/-    1.54  0.040 / 0.030
G27     306.2          31.4                6.7 +/-    1.08      11.5 +/-    1.08  0.040 / 0.030
G29     167.2          10.8                9.9 +/-    1.54      27.3 +/-    1.54  0.070 / 0.100
G32     208.9          25.3               11.1 +/-    1.38      21.5 +/-    1.38  0.060 / 0.120