PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/14-23:42:50
G01     49.1           24.7                8.8 +/-    2.19      17.3 +/-    2.19  0.130 / 0.250
G06     180.4          22.0               13.0 +/-    0.92      27.3 +/-    0.92  0.030 / 0.040
G11     44.0           13.2                7.4 +/-    2.86      19.2 +/-    2.86  0.030 / 0.040
G13     248.8          30.4               11.4 +/-    1.07      19.8 +/-    1.07  0.060 / 0.030
G15     282.3          15.6                9.7 +/-    1.49      23.7 +/-    1.49  0.060 / 0.040
G17     328.3          78.5               11.1 +/-    0.62      11.3 +/-    0.62  0.080 / 0.190
G19     247.2          60.3               11.4 +/-    0.45      13.0 +/-    0.45  0.060 / 0.100
G24     318.5          10.4              -15.8 +/-   17.56     -43.6 +/-   17.56  0.140 / 0.250
G28     48.6           54.9               10.0 +/-    1.20      11.9 +/-    1.20  0.120 / 0.360
G30     150.1          40.1               12.5 +/-    1.51      18.2 +/-    1.51  0.190 / 0.180