PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/08-01:27:50
G01     230.0          22.6                8.0 +/-    0.71      16.5 +/-    0.71  0.050 / 0.050
G03     304.5          61.0                4.0 +/-    1.30       4.5 +/-    1.30  0.040 / 0.040
G14     77.1           31.9                4.9 +/-    0.85       8.3 +/-    0.85  0.070 / 0.140
G16     150.4          37.4                8.2 +/-    0.71      12.5 +/-    0.71  0.070 / 0.110
G22     250.3          74.4                5.4 +/-    0.74       5.6 +/-    0.74  0.060 / 0.140
G23     301.9          32.8                6.6 +/-    1.68      10.9 +/-    1.68  0.080 / 0.160
G26     111.0          51.5                7.1 +/-    1.21       8.7 +/-    1.21  0.100 / 0.250
G31     43.3           38.1                2.5 +/-    0.39       3.7 +/-    0.39  0.110 / 0.210
G32     93.1           10.2                4.1 +/-    2.96      11.5 +/-    2.96  0.030 / 0.040