PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/01/11-19:27:50
G01     274.5          41.2                9.6 +/-    2.36      13.7 +/-    2.36  0.050 / 0.050
G03     315.4          28.2                8.0 +/-    1.48      14.6 +/-    1.48  0.060 / 0.060
G10     128.2          19.6               10.6 +/-    1.14      23.5 +/-    1.14  0.140 / 0.120
G11     254.5          21.7               10.0 +/-    5.28      21.1 +/-    5.28  0.100 / 0.180
G14     39.7           52.0                8.0 +/-    1.11       9.9 +/-    1.11  0.040 / 0.080
G22     314.4          49.3                8.6 +/-    1.38      10.9 +/-    1.38  0.040 / 0.140
G25     55.0           17.6                8.0 +/-    4.57      18.6 +/-    4.57  0.030 / 0.020
G26     150.2          22.5               12.4 +/-    1.61      25.7 +/-    1.61  0.030 / 0.020
G31     63.5           77.0                9.0 +/-    0.39       9.2 +/-    0.39  0.060 / 0.090
G32     61.8           34.3                8.4 +/-    0.91      13.6 +/-    0.91  0.070 / 0.090