PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/02-04:12:50
G10     293.4          51.1                7.5 +/-    1.33       9.3 +/-    1.33  0.090 / 0.080
G15     46.6           30.1                3.9 +/-    1.09       6.9 +/-    1.09  0.100 / 0.100
G20     343.8          65.3                6.3 +/-    0.75       6.8 +/-    0.75  0.050 / 0.040
G21     83.8           75.6                8.7 +/-    0.43       9.0 +/-    0.43  0.040 / 0.050
G24     101.3          25.1                5.1 +/-    0.64      10.0 +/-    0.64  0.040 / 0.040
G27     305.3          31.9                7.2 +/-    0.95      12.1 +/-    0.95  0.040 / 0.050
G32     209.5          25.6                9.2 +/-    1.25      17.7 +/-    1.25  0.110 / 0.170