PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/12-04:57:40
G01     112.0          20.9               11.8 +/-    1.79      25.4 +/-    1.79  0.070 / 0.130
G07     93.4           63.2                8.0 +/-    1.09       8.9 +/-    1.09  0.070 / 0.120
G08     43.1           26.7                4.2 +/-    1.06       7.8 +/-    1.06  0.040 / 0.040
G09     173.9          18.3               10.6 +/-    1.56      24.3 +/-    1.56  0.030 / 0.040
G11     103.4          43.5               11.1 +/-    0.41      15.3 +/-    0.41  0.050 / 0.080
G13     314.2          24.9                4.3 +/-    1.42       8.5 +/-    1.42  0.050 / 0.090
G17     202.2          29.9               11.1 +/-    1.49      19.5 +/-    1.49  0.040 / 0.040
G28     289.8          54.2                7.9 +/-    0.80       9.5 +/-    0.80  0.030 / 0.040
G30     347.7          71.0                6.3 +/-    0.84       6.7 +/-    0.84  0.040 / 0.060