PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/07/14-18:58:10
G02     325.5          79.9                9.3 +/-    0.58       9.4 +/-    0.58  0.130 / 0.210
G05     165.2          31.1               12.5 +/-    0.84      21.4 +/-    0.84  0.190 / 0.180
G06     40.6           42.3                8.0 +/-    0.79      11.2 +/-    0.79  0.030 / 0.030
G12     315.4          67.0                8.8 +/-    0.55       9.5 +/-    0.55  0.030 / 0.030
G17     82.5           15.0                8.2 +/-    1.72      20.4 +/-    1.72  0.220 / 0.240
G19     73.0           27.3                8.4 +/-    1.04      15.6 +/-    1.04  0.240 / 0.340
G24     230.7          24.3               10.7 +/-    2.14      21.3 +/-    2.14  0.100 / 0.190
G25     317.3          25.7                9.1 +/-    2.00      17.5 +/-    2.00  0.210 / 0.210