PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/14-20:27:50
G01     272.1          41.5                9.0 +/-    2.45      12.7 +/-    2.45  0.070 / 0.080
G03     315.6          28.3                5.2 +/-    1.36       9.4 +/-    1.36  0.050 / 0.060
G10     129.0          17.1                7.7 +/-    1.27      18.1 +/-    1.27  0.080 / 0.120
G11     249.8          20.2                8.9 +/-    1.74      19.4 +/-    1.74  0.100 / 0.130
G14     42.8           50.2                6.3 +/-    0.95       8.0 +/-    0.95  0.040 / 0.070
G18     231.1          39.1                9.0 +/-    1.24      13.3 +/-    1.24  0.060 / 0.060
G22     314.3          50.4                6.0 +/-    0.92       7.6 +/-    0.92  0.180 / 0.380
G26     150.8          23.2                8.4 +/-    2.95      17.2 +/-    2.95  0.170 / 0.550
G31     65.5           78.7                7.1 +/-    0.47       7.2 +/-    0.47  0.080 / 0.120
G32     62.6           33.9                6.7 +/-    1.11      10.9 +/-    1.11  0.090 / 0.120