PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/06-03:57:40
G10     294.3          51.4                8.3 +/-    2.65      10.3 +/-    2.65  0.080 / 0.090
G15     46.4           29.6                6.5 +/-    1.65      11.5 +/-    1.65  0.060 / 0.090
G20     345.3          65.3                7.8 +/-    0.73       8.5 +/-    0.73  0.090 / 0.070
G21     85.9           75.4                9.2 +/-    1.04       9.5 +/-    1.04  0.120 / 0.060
G24     100.7          25.3                6.8 +/-    1.65      13.1 +/-    1.65  0.040 / 0.040
G27     304.7          32.2                6.7 +/-    1.84      11.2 +/-    1.84  0.040 / 0.030
G32     209.7          26.3               10.5 +/-    1.15      19.9 +/-    1.15  0.080 / 0.100