PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/14-23:28:00
G10     306.1          55.1                7.7 +/-    0.95       9.1 +/-    0.95  0.070 / 0.070
G14     211.3          14.4                8.5 +/-    4.64      21.3 +/-    4.64  0.070 / 0.080
G15     45.7           24.2                6.9 +/-    2.06      13.7 +/-    2.06  0.040 / 0.040
G20     3.7            64.8                8.0 +/-    0.59       8.8 +/-    0.59  0.030 / 0.040
G21     107.7          71.9                8.8 +/-    0.39       9.2 +/-    0.39  0.180 / 0.550
G24     93.8           28.2                8.3 +/-    1.17      15.0 +/-    1.17  0.200 / 0.520
G27     296.1          35.9                8.9 +/-    2.29      14.0 +/-    2.29  0.120 / 0.160
G32     212.2          35.9                9.6 +/-    2.08      15.0 +/-    2.08  0.180 / 0.190