PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/16-00:58:00
G02     201.7          30.9                9.1 +/-    1.29      15.6 +/-    1.29  0.080 / 0.070
G06     172.5          60.6                8.4 +/-    0.66       9.5 +/-    0.66  0.080 / 0.080
G17     33.5           51.0                6.6 +/-    1.12       8.2 +/-    1.12  0.120 / 0.120
G19     349.8          67.8                6.3 +/-    0.97       6.8 +/-    0.97  0.090 / 0.100
G24     300.6          37.2                6.6 +/-    1.08      10.1 +/-    1.08  0.040 / 0.040
G28     95.9           37.1                9.6 +/-    1.69      14.7 +/-    1.69  0.040 / 0.030