PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/01-21:43:00
G02     23.6           62.8                9.4 +/-    0.74      10.5 +/-    0.74  0.040 / 0.030
G05     149.7          54.8               11.2 +/-    0.72      13.3 +/-    0.72  0.040 / 0.020
G06     50.0           20.9                7.7 +/-    2.64      16.5 +/-    2.64  0.050 / 0.040
G12     206.9          75.0                9.7 +/-    1.00      10.0 +/-    1.00  0.050 / 0.040
G19     92.4           16.9                9.6 +/-    1.96      22.7 +/-    1.96  0.080 / 0.230
G25     306.9          47.5               10.2 +/-    1.57      13.3 +/-    1.57  0.090 / 0.180
G29     300.9          21.0                9.0 +/-    1.32      19.2 +/-    1.32  0.110 / 0.190