PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/08-16:57:40
G02     214.6          55.1               12.3 +/-    0.80      14.6 +/-    0.80  0.100 / 0.060
G06     61.7           74.4               11.5 +/-    0.31      11.9 +/-    0.31  0.070 / 0.070
G12     319.1          37.9                8.2 +/-    1.18      12.3 +/-    1.18  0.060 / 0.070
G17     55.9           33.1                9.1 +/-    2.32      15.0 +/-    2.32  0.040 / 0.070
G19     32.1           53.3               10.3 +/-    0.40      12.5 +/-    0.40  0.040 / 0.020
G24     266.7          42.5               11.0 +/-    1.43      15.4 +/-    1.43  0.030 / 0.020
G28     120.8          15.7               10.9 +/-    1.70      26.5 +/-    1.70  0.060 / 0.050