PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/04-04:13:10
G10     299.5          53.1                8.5 +/-    1.34      10.4 +/-    1.34  0.030 / 0.040
G14     210.0          12.3               10.9 +/-    5.74      28.9 +/-    5.74  0.040 / 0.040
G15     45.9           26.4                5.5 +/-    1.15      10.4 +/-    1.15  0.110 / 0.480
G20     353.9          65.2                6.8 +/-    1.54       7.4 +/-    1.54  0.110 / 0.490
G21     98.2           73.5                8.8 +/-    1.09       9.1 +/-    1.09  0.050 / 0.070
G24     96.9           26.7                7.4 +/-    0.71      13.9 +/-    0.71  0.060 / 0.090
G27     301.1          33.9                8.9 +/-    1.04      14.4 +/-    1.04  0.030 / 0.040
G32     211.0          29.7               11.7 +/-    0.71      20.7 +/-    0.71  0.030 / 0.040