PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/14-09:58:10
G02     9.2            71.1                4.9 +/-    0.65       5.2 +/-    0.65  0.310 / 0.340
G05     161.0          42.6                7.7 +/-    0.72      10.8 +/-    0.72  0.250 / 0.410
G06     44.2           32.7                1.3 +/-    1.00       2.2 +/-    1.00  0.030 / 0.030
G12     280.9          78.7                4.2 +/-    1.03       4.3 +/-    1.03  0.030 / 0.030
G19     82.8           23.0               -7.5 +/-    0.65     -15.3 +/-    0.65  0.040 / 0.060
G24     217.0          14.4                4.9 +/-   13.38      12.3 +/-   13.38  0.040 / 0.060
G29     294.0          16.2                3.7 +/-    2.15       9.0 +/-    2.15  0.070 / 0.070