PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/06-18:28:00
G01     40.4           15.5                7.5 +/-    2.81      18.5 +/-    2.81  0.040 / 0.070
G06     175.1          38.5               10.0 +/-    1.25      14.9 +/-    1.25  0.040 / 0.060
G13     236.3          22.3               10.8 +/-    1.70      22.5 +/-    1.70  0.200 / 0.230
G15     269.8          12.1               11.5 +/-    2.46      30.6 +/-    2.46  0.340 / 0.240
G17     359.6          71.0                8.9 +/-    0.79       9.4 +/-    0.79  0.030 / 0.030
G19     279.3          70.0                9.1 +/-    0.86       9.6 +/-    0.86  0.030 / 0.030
G24     316.2          19.6                7.0 +/-    2.72      15.6 +/-    2.72  0.040 / 0.030
G28     66.5           50.6                9.4 +/-    1.25      11.7 +/-    1.25  0.040 / 0.040