PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/04/15-23:28:10
G02     199.8          22.1               16.0 +/-    2.06      33.4 +/-    2.06  0.080 / 0.050
G06     170.8          54.2               13.3 +/-    1.13      16.0 +/-    1.13  0.090 / 0.070
G13     227.5          13.0               14.0 +/-    3.18      36.6 +/-    3.18  0.040 / 0.020
G17     14.5           63.1               10.8 +/-    0.95      11.9 +/-    0.95  0.040 / 0.020
G19     320.9          70.9               10.8 +/-    0.31      11.4 +/-    0.31  0.120 / 0.130
G24     310.1          29.6               10.7 +/-    1.46      18.9 +/-    1.46  0.120 / 0.090
G28     88.5           39.3               11.8 +/-    1.17      17.3 +/-    1.17  0.050 / 0.080
G30     156.6          12.9               15.8 +/-    1.98      41.4 +/-    1.98  0.050 / 0.110