PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/08-12:58:10
G07     307.5          48.7                5.6 +/-    1.18       7.2 +/-    1.18  0.040 / 0.060
G08     132.8          37.3                9.7 +/-    1.12      14.7 +/-    1.12  0.050 / 0.070
G09     312.9          73.7                4.7 +/-    0.65       4.9 +/-    0.65  0.040 / 0.090
G16     42.0           28.7                4.7 +/-    1.07       8.4 +/-    1.07  0.040 / 0.080
G23     139.9          65.3                9.1 +/-    0.97       9.9 +/-    0.97  0.040 / 0.050
G27     85.9           37.1                4.7 +/-    0.66       7.2 +/-    0.66  0.030 / 0.050
G30     284.5          23.0                5.3 +/-    1.84      10.9 +/-    1.84  0.030 / 0.040