PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/28-05:58:10
G01     112.3          20.8                7.9 +/-    0.70      17.0 +/-    0.70  0.040 / 0.040
G07     93.5           63.0                8.0 +/-    0.75       8.9 +/-    0.75  0.040 / 0.030
G08     43.3           27.4                4.9 +/-    0.70       9.1 +/-    0.70  0.050 / 0.090
G09     174.4          19.1                8.6 +/-    2.52      19.5 +/-    2.52  0.050 / 0.090
G11     103.0          43.4                8.9 +/-    0.61      12.3 +/-    0.61  0.090 / 0.270
G13     314.3          24.8                4.6 +/-    1.27       9.1 +/-    1.27  0.100 / 0.260
G17     202.3          29.2                9.0 +/-    1.32      16.0 +/-    1.32  0.030 / 0.050
G28     289.9          54.3                8.6 +/-    0.57      10.3 +/-    0.57  0.030 / 0.050
G30     348.4          71.1                8.3 +/-    0.96       8.7 +/-    0.96  0.050 / 0.070