PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/12/10-17:43:10
G08     314.4          16.2                6.1 +/-    1.73      14.7 +/-    1.73  0.050 / 0.070
G10     319.7          57.6                7.5 +/-    0.79       8.7 +/-    0.79  0.060 / 0.060
G14     215.3          25.5               11.1 +/-    1.90      21.5 +/-    1.90  0.200 / 0.190
G15     45.9           14.5                6.8 +/-    1.68      17.1 +/-    1.68  0.140 / 0.210
G18     31.5           60.9                9.1 +/-    1.48      10.2 +/-    1.48  0.060 / 0.090
G20     81.0           11.0                8.1 +/-    1.68      22.2 +/-    1.68  0.070 / 0.090
G21     128.2          57.0               10.0 +/-    0.67      11.7 +/-    0.67  0.090 / 0.270
G24     82.4           30.3                7.9 +/-    1.01      13.7 +/-    1.01  0.210 / 0.180
G27     281.1          38.1               10.0 +/-    1.74      15.1 +/-    1.74  0.030 / 0.040
G32     218.9          45.3               11.3 +/-    1.24      15.2 +/-    1.24  0.030 / 0.040