PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/04-22:12:40
G02     253.6          78.5               12.9 +/-    0.61      13.1 +/-    0.61  0.050 / 0.060
G05     169.7          19.8               19.1 +/-    1.40      42.3 +/-    1.40  0.040 / 0.050
G06     40.2           53.8               12.6 +/-    0.50      15.2 +/-    0.50  0.100 / 0.130
G12     321.7          56.8               11.6 +/-    1.00      13.6 +/-    1.00  0.080 / 0.120
G17     72.8           22.1               11.5 +/-    1.03      24.0 +/-    1.03  0.060 / 0.180
G19     59.1           38.1               12.7 +/-    0.85      19.0 +/-    0.85  0.070 / 0.150
G24     241.1          32.7               17.9 +/-    2.04      29.7 +/-    2.04  0.060 / 0.210
G25     317.2          14.8               12.4 +/-    2.11      31.0 +/-    2.11  0.070 / 0.180