PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/08-17:58:00
G01     259.6          38.5                8.1 +/-    3.27      12.1 +/-    3.27  0.060 / 0.030
G03     316.6          39.8                6.1 +/-    1.69       8.9 +/-    1.69  0.060 / 0.040
G10     134.3          10.4                9.6 +/-    2.02      26.6 +/-    2.02  0.090 / 0.170
G11     245.4          16.4                9.1 +/-    1.22      21.9 +/-    1.22  0.120 / 0.210
G14     51.9           46.0                7.6 +/-    0.70      10.1 +/-    0.70  0.060 / 0.070
G22     310.8          60.9                7.0 +/-    0.76       7.9 +/-    0.76  0.070 / 0.090
G25     45.5           14.0                5.1 +/-    3.27      12.9 +/-    3.27  0.020 / 0.030
G26     141.8          32.3               10.7 +/-    0.97      18.0 +/-    0.97  0.020 / 0.030
G31     43.8           65.2                6.6 +/-    0.54       7.2 +/-    0.54  0.060 / 0.080
G32     71.8           26.7                6.3 +/-    1.01      11.8 +/-    1.01  0.050 / 0.100