PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/04-21:12:50
G01     320.5          14.0                2.1 +/-   39.20       5.3 +/-   39.20  0.130 / 0.350
G08     259.7          15.6               17.7 +/-    2.70      43.3 +/-    2.70  0.110 / 0.250
G10     72.4           55.2               15.2 +/-    0.40      18.1 +/-    0.40  0.040 / 0.040
G11     306.2          21.5               15.1 +/-    1.55      32.0 +/-    1.55  0.040 / 0.040
G14     282.5          69.4               17.0 +/-    0.34      18.1 +/-    0.34  0.170 / 0.300
G18     307.5          38.7               15.3 +/-    1.64      22.8 +/-    1.64  0.150 / 0.300
G20     101.2          32.4               16.3 +/-    1.37      27.1 +/-    1.37  0.100 / 0.090
G27     229.0          12.3               18.0 +/-    1.76      47.7 +/-    1.76  0.090 / 0.090
G31     178.2          35.6               19.7 +/-    1.32      30.9 +/-    1.32  0.150 / 0.270
G32     357.4          70.7               15.1 +/-    0.53      15.9 +/-    0.53  0.160 / 0.260