PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/05/02-12:58:10
G01     218.7          10.1                5.6 +/-    3.74      15.7 +/-    3.74  0.180 / 0.310
G03     241.5          71.3                5.8 +/-    0.44       6.1 +/-    0.44  0.210 / 0.370
G09     299.4          12.9                4.9 +/-    2.34      12.9 +/-    2.34  0.040 / 0.050
G14     95.0           17.5                6.8 +/-    1.18      15.9 +/-    1.18  0.030 / 0.060
G16     140.5          52.7                7.4 +/-    0.78       9.1 +/-    0.78  0.040 / 0.040
G22     194.2          58.7                7.1 +/-    1.09       8.2 +/-    1.09  0.030 / 0.040
G23     315.3          45.2                3.3 +/-    1.76       4.4 +/-    1.76  0.120 / 0.300
G26     82.1           54.9                4.6 +/-    0.48       5.5 +/-    0.48  0.110 / 0.350
G31     49.5           24.2                4.0 +/-    1.59       7.9 +/-    1.59  0.050 / 0.060