PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/16-12:57:50
G01     220.3          10.9                7.7 +/-    1.74      21.0 +/-    1.74  0.090 / 0.270
G03     255.2          70.6                4.9 +/-    0.92       5.2 +/-    0.92  0.090 / 0.350
G09     299.4          13.3                5.1 +/-    2.51      13.1 +/-    2.51  0.030 / 0.050
G14     92.5           22.7                5.7 +/-    0.84      11.8 +/-    0.84  0.030 / 0.050
G16     134.3          54.2                8.9 +/-    0.33      10.7 +/-    0.33  0.040 / 0.060
G22     193.7          59.6                7.4 +/-    1.33       8.5 +/-    1.33  0.040 / 0.060
G23     317.4          47.8                3.4 +/-    0.94       4.4 +/-    0.94  0.120 / 0.240
G26     77.5           52.8                5.6 +/-    0.72       6.8 +/-    0.72  0.160 / 0.200
G31     49.6           22.8                5.0 +/-    0.55      10.3 +/-    0.55  0.030 / 0.050