PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/10-22:12:50
G01     103.4          26.9                9.7 +/-    1.30      18.2 +/-    1.30  0.040 / 0.040
G07     113.9          50.9                9.8 +/-    0.71      12.2 +/-    0.71  0.030 / 0.040
G08     41.4           15.9                6.8 +/-    2.46      16.5 +/-    2.46  0.060 / 0.120
G09     174.5          11.4               11.6 +/-    3.21      31.2 +/-    3.21  0.070 / 0.160
G11     82.1           42.5               10.3 +/-    1.56      14.4 +/-    1.56  0.040 / 0.050
G13     306.5          31.3                8.4 +/-    1.47      14.3 +/-    1.47  0.070 / 0.050
G17     206.1          43.0               10.9 +/-    1.50      15.2 +/-    1.50  0.280 / 0.450
G18     73.4           23.6                8.4 +/-    1.26      17.0 +/-    1.26  0.290 / 0.400
G28     316.9          60.3                8.1 +/-    0.83       9.1 +/-    0.83  0.210 / 0.290
G30     42.0           79.5                9.0 +/-    0.56       9.1 +/-    0.56  0.110 / 0.220