PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/19-11:27:50
G02     352.4          76.2                5.6 +/-    0.39       5.7 +/-    0.39  0.030 / 0.020
G05     165.1          35.7                6.9 +/-    0.89      10.9 +/-    0.89  0.030 / 0.020
G06     42.4           37.1                3.6 +/-    0.63       5.5 +/-    0.63  0.080 / 0.060
G12     302.7          75.3                6.7 +/-    0.27       6.9 +/-    0.27  0.090 / 0.060
G19     77.1           27.2                4.6 +/-    1.12       8.6 +/-    1.12  0.440 / 0.580
G24     221.3          18.7                4.8 +/-    3.98      10.8 +/-    3.98  0.450 / 0.350
G25     315.3          37.5                4.6 +/-    0.60       6.9 +/-    0.60  0.060 / 0.070
G29     289.2          11.7                1.8 +/-   14.98       4.7 +/-   14.98  0.060 / 0.060