PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/25-08:27:20
G02     202.0          27.1                5.3 +/-    1.96      10.0 +/-    1.96  0.070 / 0.080
G06     167.6          61.5                8.2 +/-    0.66       9.2 +/-    0.66  0.070 / 0.090
G17     32.5           51.9                4.9 +/-    1.05       6.0 +/-    1.05  0.060 / 0.080
G19     336.9          69.1                4.7 +/-    0.45       5.0 +/-    0.45  0.060 / 0.070
G24     300.8          38.0                4.9 +/-    1.98       7.4 +/-    1.98  0.030 / 0.040
G28     94.8           36.9                7.4 +/-    0.92      11.3 +/-    0.92  0.040 / 0.040