PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/12/28-20:12:50
G01     282.3          41.2               11.1 +/-    3.95      15.8 +/-    3.95  0.030 / 0.050
G03     314.0          22.8                8.8 +/-    1.80      18.0 +/-    1.80  0.040 / 0.060
G10     124.5          24.1               12.1 +/-    1.36      24.1 +/-    1.36  0.030 / 0.060
G11     259.5          24.1                9.8 +/-    4.13      19.6 +/-    4.13  0.020 / 0.060
G14     33.0           55.0                8.4 +/-    1.54      10.0 +/-    1.54  0.090 / 0.130
G22     314.5          43.8                8.7 +/-    1.10      11.9 +/-    1.10  0.070 / 0.160
G25     60.2           18.5                7.7 +/-    2.09      17.6 +/-    2.09  0.050 / 0.050
G26     154.0          17.7               15.4 +/-    1.82      35.9 +/-    1.82  0.040 / 0.050
G31     94.6           80.6                9.9 +/-    0.75      10.0 +/-    0.75  0.050 / 0.050
G32     56.6           38.2                8.3 +/-    1.37      12.5 +/-    1.37  0.040 / 0.050