PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/04-20:12:30
G03     225.1          65.8               10.0 +/-    1.01      10.9 +/-    1.01  0.080 / 0.130
G09     304.8          19.4                9.6 +/-    1.36      21.5 +/-    1.36  0.110 / 0.180
G14     101.9          13.4               10.5 +/-    1.89      27.1 +/-    1.89  0.040 / 0.090
G16     123.5          61.1               12.7 +/-    0.54      14.3 +/-    0.54  0.040 / 0.050
G22     192.1          51.8               11.7 +/-    1.88      14.4 +/-    1.88  0.170 / 0.510
G23     322.4          52.2               11.4 +/-    1.11      14.0 +/-    1.11  0.150 / 0.600
G26     64.7           50.1                9.1 +/-    0.66      11.4 +/-    0.66  0.030 / 0.050
G31     53.8           17.2                7.2 +/-    0.80      16.9 +/-    0.80  0.040 / 0.040