PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/04/09-23:27:50
G02     203.3          36.6               13.9 +/-    0.98      21.4 +/-    0.98  0.090 / 0.260
G06     165.8          67.9               11.8 +/-    0.49      12.6 +/-    0.49  0.160 / 0.300
G12     307.0          13.8                8.1 +/-    2.93      20.8 +/-    2.93  0.030 / 0.030
G17     37.9           47.3               10.6 +/-    1.52      13.8 +/-    1.52  0.030 / 0.040
G19     3.7            64.6              -12.1 +/-    0.76     -13.2 +/-    0.76  0.030 / 0.030
G24     295.0          39.6                9.8 +/-    4.44      14.3 +/-    4.44  0.040 / 0.030
G28     101.4          34.0               13.0 +/-    0.61      21.0 +/-    0.61  0.060 / 0.130