PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/10-02:12:40
G10     278.5          44.3               12.4 +/-    1.49      16.9 +/-    1.49  0.100 / 0.140
G13     38.3           10.4                6.6 +/-    5.43      18.2 +/-    5.43  0.090 / 0.150
G15     51.8           42.5                9.1 +/-    0.64      12.8 +/-    0.64  0.100 / 0.200
G20     299.4          57.1               13.2 +/-    0.82      15.4 +/-    0.82  0.130 / 0.170
G21     32.0           76.7               11.1 +/-    1.27      11.4 +/-    1.27  0.040 / 0.030
G24     110.5          19.9               11.7 +/-    1.00      25.8 +/-    1.00  0.040 / 0.030
G27     313.0          26.2                8.6 +/-    1.86      16.3 +/-    1.86  0.110 / 0.370
G29     169.0          21.8               10.8 +/-    1.39      22.8 +/-    1.39  0.120 / 0.490
G32     205.7          20.1               14.9 +/-    2.41      32.6 +/-    2.41  0.050 / 0.050