PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/30-22:12:20
G10     299.4          53.2               11.5 +/-    0.65      14.0 +/-    0.65  0.040 / 0.040
G14     210.2          10.1               -9.4 +/-   11.07     -26.2 +/-   11.07  0.040 / 0.040
G15     46.2           28.5                7.4 +/-    0.87      13.3 +/-    0.87  0.320 / 0.840
G20     354.6          65.2               10.4 +/-    1.37      11.3 +/-    1.37  0.060 / 0.100
G21     94.7           74.7               11.8 +/-    0.41      12.1 +/-    0.41  0.060 / 0.080
G24     98.8           26.8               12.3 +/-    0.94      23.0 +/-    0.94  0.080 / 0.180
G27     300.8          34.3               11.2 +/-    0.75      18.0 +/-    0.75  0.080 / 0.150
G32     210.2          32.1               13.2 +/-    0.97      22.2 +/-    0.97  0.040 / 0.100