PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/17-00:27:50
G03     315.4          26.8                7.3 +/-    2.55      13.7 +/-    2.55  0.040 / 0.060
G10     128.6          17.9               11.3 +/-    2.21      26.2 +/-    2.21  0.040 / 0.050
G11     250.7          20.7               14.2 +/-    2.93      30.6 +/-    2.93  0.040 / 0.080
G14     41.0           51.3                9.5 +/-    0.55      11.8 +/-    0.55  0.040 / 0.070
G18     233.8          40.0               12.3 +/-    2.22      18.0 +/-    2.22  0.120 / 0.350
G22     314.3          49.1                8.4 +/-    1.15      10.7 +/-    1.15  0.120 / 0.270
G25     51.3           15.4                6.3 +/-    1.43      15.6 +/-    1.43  0.050 / 0.090
G31     61.3           76.0               10.0 +/-    0.58      10.3 +/-    0.58  0.050 / 0.100
G32     62.9           33.1                8.9 +/-    0.69      14.7 +/-    0.69  0.050 / 0.080