PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/30-00:12:50
G01     285.4          41.0                7.9 +/-    1.39      11.3 +/-    1.39  0.070 / 0.110
G03     313.0          18.9                8.1 +/-    2.33      18.4 +/-    2.33  0.060 / 0.080
G10     122.7          26.3               10.6 +/-    0.93      20.1 +/-    0.93  0.030 / 0.070
G11     260.1          25.3               10.7 +/-    1.34      20.7 +/-    1.34  0.040 / 0.030
G14     31.4           55.7                6.8 +/-    0.97       8.1 +/-    0.97  0.040 / 0.090
G22     314.1          40.9                7.6 +/-    1.90      10.9 +/-    1.90  0.050 / 0.090
G25     61.3           18.2                6.5 +/-    0.82      14.9 +/-    0.82  0.050 / 0.120
G26     157.9          14.3               11.0 +/-    2.82      27.9 +/-    2.82  0.050 / 0.120
G31     134.6          80.9               10.1 +/-    1.40      10.2 +/-    1.40  0.040 / 0.060
G32     52.9           41.5                7.4 +/-    0.36      10.6 +/-    0.36  0.040 / 0.050