PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/01/13-21:12:30
G01     222.7          13.4               12.5 +/-    3.57      32.2 +/-    3.57  0.040 / 0.040
G03     268.7          70.3               13.3 +/-    0.59      14.0 +/-    0.59  0.040 / 0.040
G14     91.1           21.4                9.7 +/-    2.17      20.6 +/-    2.17  0.200 / 0.600
G16     145.0          49.3               14.3 +/-    0.74      18.2 +/-    0.74  0.180 / 0.610
G22     205.9          66.1               14.3 +/-    0.49      15.5 +/-    0.49  0.060 / 0.120
G23     311.3          41.1               11.4 +/-    1.27      16.3 +/-    1.27  0.060 / 0.150
G26     88.6           54.9               11.3 +/-    1.03      13.4 +/-    1.03  0.030 / 0.060
G31     47.1           28.4                8.6 +/-    1.92      15.6 +/-    1.92  0.040 / 0.050