PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/19-04:43:00
G01     45.3           21.2                4.0 +/-    3.24       8.6 +/-    3.24  0.050 / 0.070
G06     176.1          28.5                7.8 +/-    1.37      14.0 +/-    1.37  0.050 / 0.060
G11     44.8           16.3                5.3 +/-    2.71      12.7 +/-    2.71  0.170 / 0.240
G13     244.8          29.1                7.9 +/-    1.21      14.2 +/-    1.21  0.100 / 0.200
G15     276.5          15.5                4.3 +/-    3.29      10.7 +/-    3.29  0.040 / 0.030
G17     337.7          77.3                7.5 +/-    0.70       7.7 +/-    0.70  0.040 / 0.040
G19     254.2          65.4                8.7 +/-    0.51       9.5 +/-    0.51  0.040 / 0.050
G28     45.3           57.0                7.2 +/-    0.73       8.5 +/-    0.73  0.040 / 0.040
G30     152.8          41.8                8.9 +/-    0.64      12.6 +/-    0.64  0.150 / 0.290