PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/24-21:12:30
G10     253.7          30.8               12.9 +/-    2.26      22.2 +/-    2.26  0.060 / 0.040
G13     50.0           26.7                6.6 +/-    2.44      12.4 +/-    2.44  0.050 / 0.040
G15     80.2           57.0               10.8 +/-    0.82      12.7 +/-    0.82  0.190 / 0.200
G16     292.2          15.5                8.8 +/-    1.55      21.7 +/-    1.55  0.140 / 0.180
G20     275.5          53.3               10.4 +/-    3.20      12.6 +/-    3.20  0.040 / 0.040
G21     337.6          61.8               10.0 +/-    0.57      11.2 +/-    0.57  0.040 / 0.040
G26     264.9          14.1               10.8 +/-    2.60      27.5 +/-    2.60  0.150 / 0.460
G29     164.5          46.4               11.5 +/-    1.05      15.1 +/-    1.05  0.260 / 0.460