PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/07/29-00:28:00
G10     299.2          53.1                9.0 +/-    1.62      10.9 +/-    1.62  0.060 / 0.090
G14     210.0          10.9               -5.6 +/-   21.55     -15.4 +/-   21.55  0.070 / 0.080
G15     46.0           27.6                7.1 +/-    1.83      13.0 +/-    1.83  0.040 / 0.030
G20     352.1          65.2                9.6 +/-    0.48      10.4 +/-    0.48  0.040 / 0.040
G21     94.9           74.6                9.8 +/-    0.44      10.2 +/-    0.44  0.300 / 0.420
G24     98.3           26.7                9.8 +/-    1.15      18.3 +/-    1.15  0.090 / 0.180
G27     301.1          34.1                8.8 +/-    1.14      14.2 +/-    1.14  0.060 / 0.150
G32     210.4          31.2               10.5 +/-    2.12      17.9 +/-    2.12  0.070 / 0.120