PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/08-17:28:10
G02     32.1           55.9                9.8 +/-    1.30      11.5 +/-    1.30  0.030 / 0.040
G05     136.3          65.0               11.7 +/-    0.41      12.8 +/-    0.41  0.030 / 0.020
G06     56.5           11.5                8.9 +/-    1.92      24.1 +/-    1.92  0.030 / 0.030
G12     188.6          60.2               11.7 +/-    0.25      13.2 +/-    0.25  0.030 / 0.030
G19     102.0          10.7               11.3 +/-    2.26      31.1 +/-    2.26  0.040 / 0.040
G25     287.2          57.3                7.9 +/-    2.90       9.2 +/-    2.90  0.050 / 0.050
G29     309.9          30.4                9.9 +/-    1.63      17.2 +/-    1.63  0.090 / 0.130