PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/05/11-23:28:00
G02     348.9          77.7                7.3 +/-    0.54       7.5 +/-    0.54  0.160 / 0.150
G05     162.9          34.8               14.0 +/-    1.20      22.3 +/-    1.20  0.090 / 0.140
G06     40.8           41.5                7.8 +/-    0.72      11.1 +/-    0.72  0.120 / 0.190
G12     312.1          69.0                5.7 +/-    0.57       6.1 +/-    0.57  0.120 / 0.150
G17     86.3           10.9               10.1 +/-    2.69      27.7 +/-    2.69  0.040 / 0.040
G19     75.6           26.1                9.3 +/-    1.52      17.8 +/-    1.52  0.030 / 0.040
G24     227.1          21.9               15.3 +/-    1.04      32.2 +/-    1.04  0.030 / 0.030
G25     316.8          29.7                6.3 +/-    1.99      11.1 +/-    1.99  0.030 / 0.040
G29     287.5          11.9               10.3 +/-    1.71      27.7 +/-    1.71  0.070 / 0.130