PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/08-22:42:30
G02     58.6           33.9                8.5 +/-    0.40      13.8 +/-    0.40  0.030 / 0.040
G05     58.6           61.2                8.8 +/-    1.14       9.9 +/-    1.14  0.030 / 0.040
G12     182.9          31.1               13.1 +/-    1.43      22.5 +/-    1.43  0.040 / 0.110
G13     128.5          14.8               13.1 +/-    1.59      32.7 +/-    1.59  0.080 / 0.120
G15     165.6          10.9                1.8 +/-   30.97       4.8 +/-   30.97  0.050 / 0.080
G21     270.6          16.2               11.7 +/-    2.06      28.4 +/-    2.06  0.060 / 0.080
G25     237.3          52.3                9.6 +/-    1.36      11.8 +/-    1.36  0.200 / 0.590
G29     327.1          52.8                9.0 +/-    0.85      11.0 +/-    0.85  0.150 / 0.590