PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/02-01:27:50
G02     84.6           12.8                9.4 +/-    2.26      24.5 +/-    2.26  0.080 / 0.180
G05     44.8           30.4                7.2 +/-    0.69      12.5 +/-    0.69  0.080 / 0.230
G13     96.3           32.9               11.0 +/-    1.02      18.1 +/-    1.02  0.070 / 0.120
G15     142.5          39.7               10.2 +/-    0.63      14.9 +/-    0.63  0.060 / 0.120
G20     235.2          23.8               13.1 +/-    1.91      26.3 +/-    1.91  0.230 / 0.290
G21     298.5          36.6               10.7 +/-    1.09      16.5 +/-    1.09  0.220 / 0.340
G25     208.3          25.3                8.8 +/-    0.82      17.1 +/-    0.82  0.040 / 0.090
G26     305.6          17.7                8.1 +/-    1.55      18.9 +/-    1.55  0.050 / 0.100
G29     72.4           85.7                9.5 +/-    0.87       9.5 +/-    0.87  0.060 / 0.160