PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/05/12-23:43:00
G02     10.0           71.0                8.6 +/-    1.02       9.0 +/-    1.02  0.080 / 0.090
G05     158.3          43.5               12.3 +/-    0.98      17.0 +/-    0.98  0.050 / 0.090
G06     43.6           33.7                8.5 +/-    1.46      13.7 +/-    1.46  0.150 / 0.200
G12     291.3          76.6               10.3 +/-    1.05      10.6 +/-    1.05  0.210 / 0.230
G19     83.3           21.0               10.2 +/-    2.56      21.8 +/-    2.56  0.030 / 0.040
G24     220.9          16.0               13.6 +/-    1.63      33.1 +/-    1.63  0.040 / 0.040
G25     314.4          37.5                9.5 +/-    0.96      14.4 +/-    0.96  0.120 / 0.160
G29     294.0          17.2               10.6 +/-    2.16      25.0 +/-    2.16  0.120 / 0.180