PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/08-03:57:30
G10     299.8          53.2                6.6 +/-    1.40       8.1 +/-    1.40  0.070 / 0.100
G14     210.0          12.4                2.7 +/-   16.29       7.2 +/-   16.29  0.080 / 0.080
G15     45.9           26.3                4.3 +/-    2.06       8.1 +/-    2.06  0.070 / 0.050
G20     354.2          65.2                6.4 +/-    1.02       7.0 +/-    1.02  0.060 / 0.060
G21     98.5           73.5                8.1 +/-    0.46       8.4 +/-    0.46  0.040 / 0.030
G24     96.8           26.8                6.3 +/-    1.12      11.8 +/-    1.12  0.040 / 0.030
G27     300.9          34.0                6.2 +/-    1.60      10.0 +/-    1.60  0.110 / 0.600
G32     211.1          30.0                8.5 +/-    2.63      14.9 +/-    2.63  0.120 / 0.510