PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/29-05:57:50
G07     327.6          56.5                5.4 +/-    0.70       6.3 +/-    0.70  0.040 / 0.040
G08     110.9          49.9                6.5 +/-    0.68       8.3 +/-    0.68  0.040 / 0.040
G09     195.9          78.3                7.5 +/-    0.54       7.7 +/-    0.54  0.070 / 0.080
G11     150.4          10.3               -3.3 +/-   13.60      -9.2 +/-   13.60  0.060 / 0.120
G16     45.5           9.7                 1.7 +/-    2.36       4.7 +/-    2.36  0.120 / 0.700
G23     153.1          46.3                6.5 +/-    0.56       8.6 +/-    0.56  0.110 / 0.510
G27     61.0           34.1                5.4 +/-    1.92       8.6 +/-    1.92  0.030 / 0.020
G28     231.7          18.3                6.4 +/-    1.94      14.7 +/-    1.94  0.040 / 0.030