PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/11-16:58:00
G02     301.1          80.3               10.3 +/-    0.52      10.4 +/-    0.52  0.080 / 0.200
G05     167.1          27.8               12.1 +/-    0.85      22.3 +/-    0.85  0.090 / 0.240
G06     40.2           44.5                8.4 +/-    0.94      11.4 +/-    0.94  0.030 / 0.050
G12     317.7          65.0                8.6 +/-    0.87       9.4 +/-    0.87  0.040 / 0.040
G17     79.5           17.9                9.5 +/-    1.01      22.1 +/-    1.01  0.100 / 0.170
G19     70.5           28.8                9.2 +/-    0.75      16.6 +/-    0.75  0.090 / 0.180
G24     233.5          26.4               12.8 +/-    1.57      24.2 +/-    1.57  0.040 / 0.060
G25     317.4          23.0                9.3 +/-    1.61      19.0 +/-    1.61  0.040 / 0.030