PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/09-15:12:50
G01     122.6          14.3                9.2 +/-    2.04      23.4 +/-    2.04  0.030 / 0.040
G07     77.2           64.9                8.8 +/-    0.61       9.7 +/-    0.61  0.040 / 0.040
G08     47.9           36.8                5.7 +/-    1.15       8.8 +/-    1.15  0.050 / 0.100
G09     178.3          32.7                9.9 +/-    1.43      16.4 +/-    1.43  0.050 / 0.090
G11     112.4          38.5                9.2 +/-    0.83      13.7 +/-    0.83  0.040 / 0.110
G13     319.4          16.3                5.5 +/-    1.56      13.2 +/-    1.56  0.040 / 0.110
G17     200.4          18.1                9.2 +/-    0.96      21.2 +/-    0.96  0.160 / 0.370
G18     97.9           18.7                7.9 +/-    1.41      17.9 +/-    1.41  0.170 / 0.290
G28     276.9          51.2                8.7 +/-    1.17      10.9 +/-    1.17  0.070 / 0.200
G30     344.7          67.1                5.8 +/-    1.17       6.2 +/-    1.17  0.100 / 0.270