PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/30-03:27:40
G08     305.1          20.3                9.3 +/-    2.68      20.2 +/-    2.68  0.040 / 0.060
G10     349.8          62.0                6.6 +/-    0.64       7.4 +/-    0.64  0.040 / 0.070
G14     221.9          37.3               11.7 +/-    1.97      17.9 +/-    1.97  0.070 / 0.090
G20     50.2           57.3                6.1 +/-    0.71       7.1 +/-    0.71  0.090 / 0.100
G21     140.8          50.4                8.8 +/-    1.15      11.0 +/-    1.15  0.030 / 0.040
G24     66.0           29.0                4.5 +/-    0.98       8.1 +/-    0.98  0.020 / 0.040
G27     266.6          36.0               11.0 +/-    1.63      17.1 +/-    1.63  0.060 / 0.130
G32     229.8          57.3               12.5 +/-    1.40      14.5 +/-    1.40  0.080 / 0.150