PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/12-23:28:00
G10     300.3          53.4               10.0 +/-    1.26      12.1 +/-    1.26  0.060 / 0.090
G14     210.3          11.1                1.7 +/-   28.16       4.7 +/-   28.16  0.070 / 0.080
G15     46.0           27.5                7.1 +/-    1.80      13.1 +/-    1.80  0.350 / 0.590
G20     354.8          65.2                9.4 +/-    0.78      10.3 +/-    0.78  0.150 / 0.470
G21     96.8           74.3               10.1 +/-    0.46      10.4 +/-    0.46  0.040 / 0.050
G24     97.9           27.0               12.1 +/-    0.89      22.5 +/-    0.89  0.040 / 0.040
G27     300.3          34.5               10.1 +/-    1.30      16.2 +/-    1.30  0.040 / 0.060
G32     210.6          32.2               10.6 +/-    1.61      17.8 +/-    1.61  0.040 / 0.050