PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/02-10:27:50
G01     225.9          17.7                5.2 +/-    2.62      12.2 +/-    2.62  0.040 / 0.040
G03     284.5          69.9                3.5 +/-    0.92       3.7 +/-    0.92  0.040 / 0.040
G14     85.6           24.5                4.1 +/-    0.94       8.2 +/-    0.94  0.140 / 0.260
G16     149.0          42.9                5.4 +/-    0.89       7.6 +/-    0.89  0.120 / 0.270
G22     212.7          70.3                5.0 +/-    0.96       5.2 +/-    0.96  0.030 / 0.040
G23     307.9          38.6                3.4 +/-    1.55       5.1 +/-    1.55  0.030 / 0.040
G26     101.1          54.3                4.9 +/-    0.58       5.9 +/-    0.58  0.090 / 0.160
G31     45.3           32.3                2.1 +/-    0.43       3.6 +/-    0.43  0.100 / 0.210