PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/10-13:57:40
G02     220.4          61.7                6.9 +/-    1.20       7.8 +/-    1.20  0.080 / 0.370
G06     49.5           69.8                6.5 +/-    0.37       6.9 +/-    0.37  0.090 / 0.360
G12     319.3          40.0                4.5 +/-    1.29       6.5 +/-    1.29  0.040 / 0.070
G17     58.7           31.8                5.5 +/-    1.58       9.3 +/-    1.58  0.080 / 0.070
G19     45.1           45.0                5.3 +/-    0.69       7.1 +/-    0.69  0.050 / 0.080
G24     261.6          40.0                7.7 +/-    0.93      11.2 +/-    0.93  0.050 / 0.100
G28     123.3          17.0                6.8 +/-    2.52      16.1 +/-    2.52  0.040 / 0.060