PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/08-16:12:50
G01     98.7           28.6                9.0 +/-    1.47      16.3 +/-    1.47  0.050 / 0.040
G07     118.5          47.2                8.7 +/-    0.50      11.4 +/-    0.50  0.050 / 0.060
G08     41.7           15.2                8.1 +/-    2.00      20.2 +/-    2.00  0.050 / 0.080
G11     77.8           42.6                9.0 +/-    1.02      12.6 +/-    1.02  0.050 / 0.070
G13     302.7          33.7                8.8 +/-    0.95      14.4 +/-    0.95  0.040 / 0.050
G17     208.6          44.0               11.4 +/-    0.66      15.6 +/-    0.66  0.040 / 0.040
G18     70.9           24.3                7.7 +/-    3.22      15.3 +/-    3.22  0.060 / 0.150
G19     210.5          20.4                4.5 +/-   12.35       9.7 +/-   12.35  0.070 / 0.140
G28     321.2          60.4                8.1 +/-    1.08       9.1 +/-    1.08  0.050 / 0.070
G30     81.2           77.6               10.1 +/-    0.45      10.3 +/-    0.45  0.040 / 0.070