PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/13-04:57:30
G02     18.1           67.7                3.3 +/-    0.61       3.5 +/-    0.61  0.040 / 0.040
G05     155.8          46.8                6.4 +/-    1.19       8.4 +/-    1.19  0.030 / 0.040
G06     45.4           30.6                2.4 +/-    1.26       4.2 +/-    1.26  0.020 / 0.030
G12     269.6          79.0                3.3 +/-    1.17       3.4 +/-    1.17  0.020 / 0.020
G19     86.2           20.0                5.6 +/-    1.51      12.2 +/-    1.51  0.050 / 0.080
G24     220.0          14.3                6.4 +/-    1.66      16.1 +/-    1.66  0.080 / 0.070
G25     313.5          39.2                2.7 +/-    0.99       3.9 +/-    0.99  0.040 / 0.030
G29     295.6          16.9                4.3 +/-    3.26      10.3 +/-    3.26  0.030 / 0.030