PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/04-16:42:50
G08     321.2          10.7              -10.5 +/-   32.50     -29.0 +/-   32.50  0.040 / 0.040
G10     301.2          53.3                7.6 +/-    1.36       9.2 +/-    1.36  0.040 / 0.040
G14     210.5          14.2                9.8 +/-    1.21      24.8 +/-    1.21  0.090 / 0.160
G15     46.0           27.7                5.0 +/-    1.72       9.2 +/-    1.72  0.100 / 0.140
G20     358.1          65.2                8.5 +/-    0.77       9.3 +/-    0.77  0.040 / 0.040
G21     106.7          70.1                9.0 +/-    0.82       9.5 +/-    0.82  0.030 / 0.040
G24     90.1           26.6                9.4 +/-    0.68      17.7 +/-    0.68  0.050 / 0.090
G27     300.2          33.7                7.4 +/-    1.47      12.1 +/-    1.47  0.060 / 0.090
G32     211.5          33.6                8.2 +/-    3.24      13.4 +/-    3.24  0.190 / 0.580