PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/09-21:12:40
G07     56.7           67.8               10.6 +/-    0.94      11.4 +/-    0.94  0.030 / 0.030
G08     51.8           40.2                9.4 +/-    1.11      13.6 +/-    1.11  0.040 / 0.040
G09     178.8          39.9               12.3 +/-    1.46      17.9 +/-    1.46  0.060 / 0.070
G11     119.5          34.3               13.2 +/-    0.72      21.2 +/-    0.72  0.050 / 0.070
G17     198.6          13.5               12.7 +/-    3.24      32.7 +/-    3.24  0.270 / 0.330
G18     103.2          15.2               13.5 +/-    1.24      33.3 +/-    1.24  0.280 / 0.420
G23     161.1          11.5               12.9 +/-    1.40      34.8 +/-    1.40  0.110 / 0.120
G27     38.1           11.5                9.5 +/-    3.36      25.6 +/-    3.36  0.120 / 0.080
G28     268.0          48.3               12.1 +/-    2.94      15.6 +/-    2.94  0.120 / 0.240
G30     329.8          58.5               10.3 +/-    0.52      11.9 +/-    0.52  0.090 / 0.310