PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/29-12:13:10
G07     331.7          58.1                4.7 +/-    0.80       5.4 +/-    0.80  0.110 / 0.310
G08     111.4          49.8                6.8 +/-    0.71       8.6 +/-    0.71  0.260 / 0.380
G09     210.5          79.9                5.7 +/-    0.24       5.8 +/-    0.24  0.210 / 0.480
G11     148.9          10.6               -2.1 +/-   16.62      -5.7 +/-   16.62  0.210 / 0.590
G16     45.2           11.8                3.8 +/-    1.42      10.1 +/-    1.42  0.050 / 0.040
G23     152.2          44.3                7.0 +/-    0.53       9.5 +/-    0.53  0.030 / 0.040
G27     61.8           34.7                6.5 +/-    0.96      10.4 +/-    0.96  0.070 / 0.080
G28     231.8          19.7                4.9 +/-    2.15      10.9 +/-    2.15  0.060 / 0.070
G30     298.7          33.5                3.5 +/-    1.22       5.6 +/-    1.22  0.130 / 0.210