PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/27-00:12:40
G08     308.3          20.1                8.4 +/-    2.59      18.5 +/-    2.59  0.080 / 0.080
G10     332.1          60.0                4.0 +/-    0.66       4.5 +/-    0.66  0.070 / 0.080
G14     218.0          29.9                7.5 +/-    2.23      13.2 +/-    2.23  0.040 / 0.050
G15     46.8           14.1                5.2 +/-    1.41      13.1 +/-    1.41  0.030 / 0.040
G20     314.6          54.3                6.2 +/-    0.95       7.4 +/-    0.95  0.080 / 0.200
G21     134.1          58.5                5.6 +/-    0.95       6.5 +/-    0.95  0.090 / 0.190
G24     72.2           29.2                6.1 +/-    0.40      10.8 +/-    0.40  0.060 / 0.100
G27     275.5          37.4                7.5 +/-    1.07      11.3 +/-    1.07  0.060 / 0.100
G32     223.0          54.1                5.4 +/-    2.17       6.4 +/-    2.17  0.110 / 0.260