PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/01/25-18:27:50
G01     276.3          41.3               11.2 +/-    0.88      15.9 +/-    0.88  0.050 / 0.060
G03     315.3          27.8               10.2 +/-    1.61      18.7 +/-    1.61  0.050 / 0.060
G10     127.4          20.6               12.9 +/-    1.20      28.1 +/-    1.20  0.070 / 0.130
G11     256.2          22.2                9.2 +/-    3.37      19.2 +/-    3.37  0.060 / 0.100
G14     37.7           53.0               10.9 +/-    0.76      13.3 +/-    0.76  0.050 / 0.090
G22     314.6          48.7               11.6 +/-    1.03      14.9 +/-    1.03  0.050 / 0.080
G25     56.4           18.0               10.4 +/-    0.67      24.1 +/-    0.67  0.020 / 0.030
G26     150.5          21.7               13.3 +/-    1.33      28.0 +/-    1.33  0.020 / 0.030
G31     66.9           77.4               11.4 +/-    0.77      11.7 +/-    0.77  0.050 / 0.120
G32     60.9           34.8               10.5 +/-    1.02      16.7 +/-    1.02  0.060 / 0.100