PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/01/14-19:12:50
G01     276.3          41.3               10.3 +/-    1.64      14.7 +/-    1.64  0.040 / 0.050
G03     315.2          27.2                7.8 +/-    0.86      14.4 +/-    0.86  0.050 / 0.060
G10     127.4          20.6                9.4 +/-    1.02      20.5 +/-    1.02  0.090 / 0.160
G11     255.8          22.3               11.1 +/-    5.36      23.1 +/-    5.36  0.100 / 0.150
G14     38.1           52.8                8.4 +/-    1.47      10.3 +/-    1.47  0.090 / 0.060
G22     314.5          48.3                7.4 +/-    0.81       9.5 +/-    0.81  0.050 / 0.080
G25     56.2           17.9                6.8 +/-    2.99      15.7 +/-    2.99  0.020 / 0.020
G26     150.9          21.5               10.9 +/-    1.50      23.2 +/-    1.50  0.020 / 0.020
G31     67.9           77.8                7.8 +/-    0.49       7.9 +/-    0.49  0.050 / 0.050
G32     60.8           35.0                8.6 +/-    1.19      13.6 +/-    1.19  0.040 / 0.050