PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/06-21:12:30
G02     270.1          80.2                8.5 +/-    0.60       8.6 +/-    0.60  0.250 / 0.240
G05     168.5          22.4               11.4 +/-    1.82      23.7 +/-    1.82  0.140 / 0.200
G06     39.3           52.9               10.2 +/-    0.72      12.4 +/-    0.72  0.030 / 0.030
G12     320.4          56.1                8.3 +/-    0.68       9.8 +/-    0.68  0.030 / 0.030
G17     75.4           19.2                8.5 +/-    2.32      19.0 +/-    2.32  0.080 / 0.140
G19     63.7           33.7                8.8 +/-    1.00      14.3 +/-    1.00  0.120 / 0.170
G24     238.4          30.7               11.2 +/-    2.22      19.3 +/-    2.22  0.080 / 0.100
G25     317.2          17.5               10.4 +/-    2.21      24.4 +/-    2.21  0.080 / 0.120