PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/19-22:43:10
G01     66.6           32.1               10.5 +/-    1.79      17.7 +/-    1.79  0.070 / 0.110
G07     138.8          23.2               10.4 +/-    1.96      21.1 +/-    1.96  0.080 / 0.120
G11     50.5           27.4                7.9 +/-    2.05      14.6 +/-    2.05  0.040 / 0.040
G13     269.4          37.6               11.1 +/-    3.48      16.8 +/-    3.48  0.040 / 0.050
G15     299.0          16.0                9.3 +/-    2.36      22.5 +/-    2.36  0.150 / 0.130
G17     240.8          73.8               12.3 +/-    0.50      12.7 +/-    0.50  0.100 / 0.090
G18     44.3           14.5                8.6 +/-    3.04      21.6 +/-    3.04  0.030 / 0.030
G19     226.2          44.8               12.5 +/-    2.20      16.9 +/-    2.20  0.030 / 0.040
G28     18.2           59.9               10.9 +/-    1.03      12.4 +/-    1.03  0.070 / 0.110
G30     138.9          58.0               11.5 +/-    0.36      13.3 +/-    0.36  0.050 / 0.110