PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/04/18-12:27:50
G01     289.1          40.5                0.3 +/-    1.02       0.4 +/-    1.02  0.050 / 0.050
G03     312.9          20.8                2.7 +/-    2.36       5.9 +/-    2.36  0.060 / 0.040
G10     120.9          27.7                6.6 +/-    1.38      12.1 +/-    1.38  0.200 / 0.300
G11     265.6          25.3                5.2 +/-    4.01      10.2 +/-    4.01  0.200 / 0.260
G14     20.3           60.1                5.5 +/-    1.34       6.3 +/-    1.34  0.080 / 0.240
G18     252.2          46.8                5.8 +/-    2.34       7.7 +/-    2.34  0.250 / 0.330
G22     315.0          44.7                4.7 +/-    0.66       6.3 +/-    0.66  0.040 / 0.060
G25     66.1           19.2                4.2 +/-    0.80       9.4 +/-    0.80  0.050 / 0.060
G31     108.1          79.1                5.0 +/-    0.38       5.0 +/-    0.38  0.050 / 0.110
G32     53.6           39.7                5.5 +/-    1.12       8.0 +/-    1.12  0.040 / 0.070