PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/04/07-13:58:00
G01     261.2          39.0                9.0 +/-    2.82      13.2 +/-    2.82  0.050 / 0.050
G03     316.7          39.5                6.4 +/-    1.07       9.3 +/-    1.07  0.060 / 0.060
G10     133.7          11.2                8.2 +/-    2.40      22.4 +/-    2.40  0.130 / 0.270
G11     246.1          16.8                7.7 +/-    1.12      18.4 +/-    1.12  0.190 / 0.300
G14     48.5           48.2                6.3 +/-    0.79       8.1 +/-    0.79  0.040 / 0.040
G18     228.5          34.1                9.0 +/-    1.63      14.5 +/-    1.63  0.030 / 0.040
G22     311.0          63.1                7.0 +/-    0.69       7.7 +/-    0.69  0.220 / 0.210
G25     46.7           14.7                4.6 +/-    6.03      11.6 +/-    6.03  0.120 / 0.250
G31     44.7           64.8                7.5 +/-    0.44       8.2 +/-    0.44  0.050 / 0.090
G32     71.2           26.7                5.5 +/-    2.22      10.3 +/-    2.22  0.050 / 0.080