PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/26-23:27:50
G01     223.5          14.5                8.0 +/-    2.60      20.2 +/-    2.60  0.040 / 0.030
G03     278.4          69.0                5.4 +/-    0.49       5.7 +/-    0.49  0.040 / 0.040
G09     297.2          12.6                8.7 +/-    2.41      22.9 +/-    2.41  0.100 / 0.260
G14     89.9           21.5                5.7 +/-    1.08      12.1 +/-    1.08  0.120 / 0.310
G16     143.3          48.4                8.0 +/-    0.76      10.3 +/-    0.76  0.040 / 0.030
G22     211.1          67.6                6.2 +/-    0.75       6.6 +/-    0.75  0.030 / 0.040
G23     308.9          38.2                5.3 +/-    1.69       8.0 +/-    1.69  0.260 / 0.390
G26     92.9           55.1                5.0 +/-    0.38       6.0 +/-    0.38  0.190 / 0.380
G31     46.0           31.5                4.0 +/-    0.40       6.7 +/-    0.40  0.050 / 0.080