PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/05/14-05:42:50
G10     301.5          53.6                6.7 +/-    1.17       8.1 +/-    1.17  0.060 / 0.080
G14     210.3          13.8                8.2 +/-    2.23      21.1 +/-    2.23  0.060 / 0.080
G15     45.7           25.1                5.9 +/-    2.29      11.5 +/-    2.29  0.040 / 0.030
G20     357.5          65.1                6.1 +/-    0.95       6.7 +/-    0.95  0.040 / 0.040
G21     103.3          72.0                7.2 +/-    0.64       7.6 +/-    0.64  0.070 / 0.030
G24     95.0           27.1                7.0 +/-    2.13      13.0 +/-    2.13  0.070 / 0.030
G27     299.8          34.3                6.2 +/-    1.21       9.9 +/-    1.21  0.150 / 0.160
G32     211.8          30.1               10.1 +/-    2.33      17.7 +/-    2.33  0.090 / 0.220