PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/04/27-00:12:30
G02     311.9          81.4               10.4 +/-    1.07      10.5 +/-    1.07  0.120 / 0.150
G05     166.1          27.7               15.5 +/-    0.87      28.6 +/-    0.87  0.100 / 0.170
G06     39.2           49.3                9.9 +/-    0.54      12.6 +/-    0.54  0.090 / 0.170
G12     318.5          61.3               11.7 +/-    1.25      13.2 +/-    1.25  0.090 / 0.210
G17     80.6           14.7               10.0 +/-    1.32      25.1 +/-    1.32  0.030 / 0.040
G19     68.6           30.8               11.0 +/-    0.93      19.0 +/-    0.93  0.030 / 0.040
G24     232.7          27.0               14.9 +/-    1.85      27.9 +/-    1.85  0.040 / 0.100
G25     317.4          23.3                7.8 +/-    2.96      15.9 +/-    2.96  0.080 / 0.100