PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/03-19:28:10
G02     215.7          58.2               13.7 +/-    0.53      15.8 +/-    0.53  0.040 / 0.060
G06     57.9           73.5               11.1 +/-    0.71      11.6 +/-    0.71  0.040 / 0.060
G12     319.1          37.9               10.5 +/-    0.90      15.8 +/-    0.90  0.060 / 0.090
G17     56.3           33.5                9.9 +/-    0.67      16.2 +/-    0.67  0.040 / 0.080
G19     35.3           51.7               10.0 +/-    0.50      12.3 +/-    0.50  0.050 / 0.080
G24     265.1          42.0               11.9 +/-    0.96      16.7 +/-    0.96  0.050 / 0.070
G28     122.1          14.3               12.3 +/-    2.60      31.2 +/-    2.60  0.080 / 0.240