PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/28-20:27:40
G05     52.4           9.8                 7.7 +/-    3.83      21.6 +/-    3.83  0.040 / 0.060
G10     243.0          21.6               13.2 +/-    1.61      28.0 +/-    1.61  0.040 / 0.060
G13     62.4           33.0                8.5 +/-    1.56      14.0 +/-    1.56  0.060 / 0.120
G15     107.2          57.4               10.3 +/-    0.95      12.0 +/-    0.95  0.050 / 0.160
G16     304.7          15.2                7.5 +/-    1.48      18.5 +/-    1.48  0.030 / 0.040
G20     259.0          45.0               12.0 +/-    3.33      16.1 +/-    3.33  0.030 / 0.040
G21     322.9          52.9                9.1 +/-    0.79      11.1 +/-    0.79  0.140 / 0.400
G26     277.2          18.5                9.1 +/-    1.00      20.9 +/-    1.00  0.130 / 0.510
G29     159.9          61.1                9.9 +/-    0.71      11.1 +/-    0.71  0.110 / 0.220