PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/09-01:12:50
G01     319.7          16.4                7.6 +/-    2.38      18.2 +/-    2.38  0.130 / 0.250
G08     257.8          14.1                9.9 +/-    1.54      25.2 +/-    1.54  0.120 / 0.190
G10     77.1           53.9                8.7 +/-    0.41      10.5 +/-    0.41  0.270 / 0.330
G11     304.1          22.7                6.9 +/-    1.58      14.2 +/-    1.58  0.190 / 0.290
G14     288.8          69.7                8.7 +/-    0.56       9.2 +/-    0.56  0.040 / 0.060
G18     305.8          39.8                8.0 +/-    1.21      11.7 +/-    1.21  0.040 / 0.050
G20     103.7          30.4                9.8 +/-    0.69      17.0 +/-    0.69  0.170 / 0.300
G27     226.0          10.1               12.0 +/-    4.18      33.4 +/-    4.18  0.160 / 0.260
G31     175.7          40.8               11.8 +/-    0.75      16.9 +/-    0.75  0.080 / 0.230
G32     6.9            68.0                7.9 +/-    0.82       8.4 +/-    0.82  0.070 / 0.250