PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/05/10-01:28:10
G02     51.9           38.6               10.5 +/-    1.69      15.6 +/-    1.69  0.060 / 0.050
G05     75.8           66.9               11.6 +/-    0.68      12.5 +/-    0.68  0.070 / 0.060
G12     188.7          45.7               13.1 +/-    0.72      17.5 +/-    0.72  0.130 / 0.290
G21     264.1          11.9                7.1 +/-   19.14      19.0 +/-   19.14  0.280 / 0.400
G25     253.4          57.4               10.4 +/-    1.40      12.1 +/-    1.40  0.060 / 0.050
G29     324.5          48.6               11.3 +/-    0.80      14.5 +/-    0.80  0.040 / 0.050