PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/07-15:27:40
G08     269.9          18.0                5.6 +/-    1.02      13.0 +/-    1.02  0.040 / 0.050
G10     59.8           58.9                6.2 +/-    0.62       7.1 +/-    0.62  0.040 / 0.050
G11     313.3          15.0                4.5 +/-    1.28      11.1 +/-    1.28  0.160 / 0.160
G14     264.5          64.8                7.1 +/-    0.90       7.8 +/-    0.90  0.100 / 0.160
G21     153.7          13.3                8.5 +/-    4.31      22.1 +/-    4.31  0.090 / 0.100
G24     40.2           11.0                6.8 +/-    2.24      18.6 +/-    2.24  0.040 / 0.140
G27     231.2          15.8                7.1 +/-    2.01      17.3 +/-    2.01  0.140 / 0.250
G31     178.2          30.2               11.0 +/-    1.31      19.1 +/-    1.31  0.140 / 0.300
G32     339.3          74.2                7.1 +/-    0.43       7.3 +/-    0.43  0.130 / 0.200