PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/05/10-05:58:10
G10     301.2          53.6                4.2 +/-    1.40       5.1 +/-    1.40  0.070 / 0.040
G14     210.2          13.7                3.4 +/-    1.85       8.7 +/-    1.85  0.080 / 0.030
G15     45.7           25.3                3.9 +/-    1.99       7.5 +/-    1.99  0.040 / 0.030
G20     357.1          65.1                3.8 +/-    0.85       4.2 +/-    0.85  0.040 / 0.040
G21     103.0          72.0                5.2 +/-    0.57       5.4 +/-    0.57  0.090 / 0.080
G24     95.1           27.1                4.7 +/-    1.44       8.9 +/-    1.44  0.080 / 0.080
G27     300.0          34.2                3.7 +/-    1.49       6.0 +/-    1.49  0.060 / 0.120
G32     211.7          29.8                6.7 +/-    1.43      11.8 +/-    1.43  0.080 / 0.100