PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/02-14:13:10
G07     340.5          60.8                8.7 +/-    0.45       9.8 +/-    0.45  0.120 / 0.360
G08     102.3          51.5                9.2 +/-    1.24      11.4 +/-    1.24  0.100 / 0.270
G09     197.7          76.0                8.2 +/-    1.20       8.4 +/-    1.20  0.030 / 0.050
G11     145.8          13.3                8.8 +/-    2.61      22.9 +/-    2.61  0.040 / 0.050
G23     154.4          41.2                9.8 +/-    0.81      14.0 +/-    0.81  0.090 / 0.550
G27     57.4           33.1                6.6 +/-    0.55      10.8 +/-    0.55  0.090 / 0.430
G28     234.9          23.7               11.6 +/-    1.28      23.3 +/-    1.28  0.050 / 0.100
G30     303.0          37.4                8.1 +/-    0.86      12.3 +/-    0.86  0.050 / 0.080