PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/09-17:57:50
G01     45.0           21.2                7.5 +/-    1.17      16.0 +/-    1.17  0.130 / 0.300
G06     176.6          30.1               12.6 +/-    1.66      22.0 +/-    1.66  0.150 / 0.300
G13     243.4          27.5               12.3 +/-    0.99      22.8 +/-    0.99  0.030 / 0.060
G15     277.2          14.5               10.5 +/-    2.08      26.5 +/-    2.08  0.040 / 0.050
G17     335.8          76.5               10.3 +/-    0.43      10.6 +/-    0.43  0.100 / 0.200
G19     257.9          65.5                9.2 +/-    1.12      10.0 +/-    1.12  0.090 / 0.160
G24     318.2          13.0                6.7 +/-    2.45      17.6 +/-    2.45  0.030 / 0.040
G28     54.4           54.0                9.6 +/-    0.46      11.6 +/-    0.46  0.040 / 0.040
G30     151.3          32.1               11.1 +/-    1.69      18.6 +/-    1.69  0.040 / 0.060