PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/23-00:12:40
G08     314.5          16.6                7.9 +/-    3.37      19.0 +/-    3.37  0.040 / 0.050
G10     318.4          57.6               10.2 +/-    1.03      11.8 +/-    1.03  0.040 / 0.040
G14     214.6          22.8               15.1 +/-    2.59      31.0 +/-    2.59  0.040 / 0.040
G15     45.9           20.2                5.7 +/-    0.64      12.5 +/-    0.64  0.040 / 0.040
G20     307.4          51.8                7.0 +/-    0.51       8.6 +/-    0.51  0.040 / 0.040
G21     124.7          65.3                9.7 +/-    0.86      10.5 +/-    0.86  0.030 / 0.040
G24     80.9           29.3                8.5 +/-    1.40      15.2 +/-    1.40  0.070 / 0.160
G27     285.1          37.5                9.9 +/-    1.07      14.9 +/-    1.07  0.070 / 0.150
G32     217.2          46.8               12.4 +/-    1.08      16.3 +/-    1.08  0.080 / 0.080