PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/08-18:28:10
G01     38.5           12.4                9.6 +/-    1.57      25.5 +/-    1.57  0.080 / 0.180
G02     199.5          11.7               10.5 +/-   21.03      28.2 +/-   21.03  0.100 / 0.160
G06     174.1          43.0               15.4 +/-    1.19      21.3 +/-    1.19  0.040 / 0.080
G13     232.9          19.5               14.9 +/-    1.34      33.2 +/-    1.34  0.040 / 0.080
G15     266.2          10.6               12.6 +/-    1.76      34.7 +/-    1.76  0.260 / 0.460
G17     7.4            67.8               12.6 +/-    0.81      13.5 +/-    0.81  0.340 / 0.380
G19     293.1          71.4               13.0 +/-    0.78      13.6 +/-    0.78  0.120 / 0.160
G24     314.6          22.9               10.5 +/-    1.57      21.5 +/-    1.57  0.120 / 0.180
G28     72.2           48.7               11.1 +/-    0.64      14.2 +/-    0.64  0.040 / 0.040
G30     154.6          19.9               12.2 +/-    1.44      27.0 +/-    1.44  0.040 / 0.050