PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/26-15:58:10
G01     65.8           31.7                8.1 +/-    1.08      13.8 +/-    1.08  0.050 / 0.160
G07     138.8          23.5                9.9 +/-    0.73      20.0 +/-    0.73  0.080 / 0.190
G11     50.9           28.4                6.1 +/-    0.66      11.0 +/-    0.66  0.040 / 0.060
G13     268.8          37.8               11.0 +/-    0.98      16.5 +/-    0.98  0.040 / 0.070
G15     298.9          16.0                6.4 +/-    2.38      15.4 +/-    2.38  0.060 / 0.170
G17     237.6          70.1                9.0 +/-    0.40       9.5 +/-    0.40  0.060 / 0.180
G18     45.3           15.7                6.4 +/-    1.29      15.8 +/-    1.29  0.040 / 0.090
G19     226.2          46.4                8.7 +/-    1.17      11.5 +/-    1.17  0.050 / 0.080
G28     14.8           60.4                9.5 +/-    0.69      10.8 +/-    0.69  0.030 / 0.050
G30     138.9          55.9               10.0 +/-    0.75      11.8 +/-    0.75  0.030 / 0.050