PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/09-18:12:40
G01     41.0           16.4                8.2 +/-    2.23      19.8 +/-    2.23  0.120 / 0.230
G06     175.3          37.2               12.3 +/-    1.11      18.8 +/-    1.11  0.180 / 0.230
G13     237.3          23.1               10.4 +/-    1.02      21.3 +/-    1.02  0.050 / 0.070
G15     270.9          12.5               10.8 +/-    1.64      28.6 +/-    1.64  0.040 / 0.070
G17     356.5          72.0                9.7 +/-    0.36      10.2 +/-    0.36  0.200 / 0.280
G19     275.6          69.5                9.7 +/-    0.75      10.3 +/-    0.75  0.140 / 0.380
G24     316.6          18.5                9.1 +/-    1.50      20.7 +/-    1.50  0.030 / 0.030
G28     64.6           51.2               10.3 +/-    0.65      12.8 +/-    0.65  0.030 / 0.030
G30     153.4          25.4               11.1 +/-    1.30      21.4 +/-    1.30  0.050 / 0.050