PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/12-20:12:30
G08     300.1          22.2               10.3 +/-    1.67      21.4 +/-    1.67  0.080 / 0.080
G10     349.8          62.1                9.4 +/-    0.34      10.5 +/-    0.34  0.080 / 0.110
G14     224.3          40.6               11.3 +/-    1.86      16.3 +/-    1.86  0.040 / 0.060
G18     54.9           54.1               10.0 +/-    0.67      12.1 +/-    0.67  0.040 / 0.060
G21     141.4          43.7               12.1 +/-    0.74      16.6 +/-    0.74  0.060 / 0.060
G24     64.6           29.1                9.5 +/-    0.69      16.9 +/-    0.69  0.070 / 0.080
G27     261.0          34.8               11.1 +/-    2.23      17.6 +/-    2.23  0.080 / 0.070
G32     233.6          59.3               11.4 +/-    1.43      13.0 +/-    1.43  0.100 / 0.100