PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/29-00:42:40
G01     269.1          40.7                7.9 +/-    0.85      11.4 +/-    0.85  0.040 / 0.060
G03     315.8          29.0                7.3 +/-    0.65      13.0 +/-    0.65  0.040 / 0.060
G10     130.4          16.8                8.3 +/-    1.71      19.8 +/-    1.71  0.100 / 0.380
G11     248.6          20.3               10.0 +/-    1.64      21.8 +/-    1.64  0.090 / 0.380
G14     45.8           48.5                7.3 +/-    0.78       9.4 +/-    0.78  0.030 / 0.030
G22     313.9          51.7                8.5 +/-    0.91      10.5 +/-    0.91  0.030 / 0.030
G25     50.0           15.7                5.3 +/-    1.25      12.9 +/-    1.25  0.050 / 0.080
G26     151.3          23.9               10.9 +/-    1.43      21.7 +/-    1.43  0.060 / 0.110
G31     57.8           77.9                7.9 +/-    0.83       8.1 +/-    0.83  0.050 / 0.070
G32     63.7           33.9                5.8 +/-    0.87       9.4 +/-    0.87  0.050 / 0.080