PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/07/12-19:27:30
G02     0.6            73.9               10.4 +/-    0.68      10.8 +/-    0.68  0.090 / 0.100
G05     160.7          40.5               14.5 +/-    0.63      20.9 +/-    0.63  0.070 / 0.110
G06     43.3           33.8                9.6 +/-    1.09      15.6 +/-    1.09  0.040 / 0.040
G12     297.7          75.8               11.1 +/-    0.57      11.4 +/-    0.57  0.040 / 0.040
G17     90.1           9.4                11.4 +/-    1.07      32.1 +/-    1.07  0.120 / 0.370
G19     81.5           21.7               10.9 +/-    1.93      23.1 +/-    1.93  0.210 / 0.440
G24     223.6          17.9               12.5 +/-    1.28      29.0 +/-    1.28  0.320 / 0.310
G25     315.5          34.3                8.2 +/-    1.05      13.3 +/-    1.05  0.220 / 0.430
G29     291.2          13.7               11.3 +/-    1.67      28.9 +/-    1.67  0.100 / 0.170