PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/23-20:28:10
G08     271.7          19.9               11.6 +/-    2.29      25.7 +/-    2.29  0.110 / 0.270
G10     50.5           60.7               11.4 +/-    0.66      12.9 +/-    0.66  0.190 / 0.270
G11     314.5          14.0               10.1 +/-    1.41      25.7 +/-    1.41  0.140 / 0.330
G14     257.6          63.7               13.9 +/-    0.88      15.3 +/-    0.88  0.110 / 0.340
G18     87.8           38.3               11.7 +/-    1.00      17.5 +/-    1.00  0.100 / 0.150
G21     152.3          16.0               14.8 +/-    1.81      36.0 +/-    1.81  0.100 / 0.150
G24     42.4           14.7               11.9 +/-    2.41      29.8 +/-    2.41  0.230 / 0.130
G27     234.3          18.7               13.2 +/-    4.43      29.9 +/-    4.43  0.270 / 0.560
G31     181.2          23.1               15.1 +/-    3.24      30.8 +/-    3.24  0.040 / 0.020
G32     312.6          75.4               12.3 +/-    0.49      12.7 +/-    0.49  0.030 / 0.020