PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/08-23:28:10
G02     219.9          65.3               13.3 +/-    0.77      14.4 +/-    0.77  0.040 / 0.060
G06     49.3           70.1               11.5 +/-    0.42      12.2 +/-    0.42  0.060 / 0.060
G12     319.9          40.2                9.3 +/-    1.82      13.4 +/-    1.82  0.100 / 0.110
G17     58.9           32.7                9.8 +/-    1.10      16.3 +/-    1.10  0.060 / 0.080
G19     42.9           47.5               10.3 +/-    0.84      13.4 +/-    0.84  0.190 / 0.370
G24     259.7          40.4               12.8 +/-    4.26      18.5 +/-    4.26  0.360 / 0.520
G28     125.5          10.2               13.7 +/-    2.33      38.2 +/-    2.33  0.030 / 0.030