PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/22-04:42:50
G01     257.9          38.2                5.6 +/-    3.08       8.4 +/-    3.08  0.060 / 0.050
G03     316.5          36.5                3.9 +/-    0.98       6.0 +/-    0.98  0.040 / 0.050
G11     240.8          15.0                6.8 +/-    2.23      16.8 +/-    2.23  0.060 / 0.100
G14     53.4           45.0                4.7 +/-    2.92       6.3 +/-    2.92  0.060 / 0.070
G18     224.8          31.8                7.4 +/-    2.03      12.6 +/-    2.03  0.140 / 0.310
G22     310.2          59.7                4.2 +/-    1.18       4.8 +/-    1.18  0.110 / 0.390
G25     43.4           12.4                3.7 +/-    2.44       9.8 +/-    2.44  0.070 / 0.080
G26     138.5          34.2              -11.1 +/-   29.68     -17.8 +/-   29.68  0.070 / 0.080
G31     43.4           61.8                5.2 +/-    0.61       5.8 +/-    0.61  0.100 / 0.140
G32     73.5           24.8                5.5 +/-    2.10      10.9 +/-    2.10  0.270 / 0.170