PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/01-03:27:50
G10     265.7          38.5                9.6 +/-    1.75      14.4 +/-    1.75  0.140 / 0.220
G13     42.3           18.6                6.4 +/-    1.09      14.7 +/-    1.09  0.120 / 0.180
G15     59.8           48.8                5.6 +/-    0.81       7.1 +/-    0.81  0.050 / 0.040
G16     282.7          12.6                8.0 +/-    1.87      21.2 +/-    1.87  0.040 / 0.040
G20     295.0          59.6                8.0 +/-    1.08       9.1 +/-    1.08  0.070 / 0.070
G21     0.8            70.9                7.8 +/-    0.87       8.2 +/-    0.87  0.070 / 0.090
G24     121.7          13.4                5.2 +/-    1.83      13.3 +/-    1.83  0.130 / 0.370
G27     319.9          16.6               11.3 +/-    2.64      27.1 +/-    2.64  0.190 / 0.370
G29     165.9          30.7                8.3 +/-    1.65      14.3 +/-    1.65  0.080 / 0.220