PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/04-22:57:50
G02     359.9          75.0               12.1 +/-    0.50      12.5 +/-    0.50  0.020 / 0.030
G05     160.9          39.2               16.2 +/-    1.18      23.8 +/-    1.18  0.020 / 0.030
G06     43.4           34.6               10.9 +/-    0.62      17.5 +/-    0.62  0.140 / 0.260
G12     297.3          77.2               13.4 +/-    0.53      13.7 +/-    0.53  0.130 / 0.350
G17     89.4           10.3               11.5 +/-    2.04      31.8 +/-    2.04  0.070 / 0.330
G19     78.7           25.9               13.6 +/-    1.14      26.1 +/-    1.14  0.080 / 0.310
G24     224.1          19.0               18.9 +/-    2.82      42.7 +/-    2.82  0.040 / 0.070
G25     316.2          33.0               13.2 +/-    1.65      21.8 +/-    1.65  0.040 / 0.060
G29     289.5          10.8                2.4 +/-   33.78       6.7 +/-   33.78  0.060 / 0.110