PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/05/30-07:13:10
G01     319.3          18.1                3.5 +/-    0.72       8.1 +/-    0.72  0.230 / 0.320
G08     259.2          13.9                6.5 +/-    1.60      16.6 +/-    1.60  0.240 / 0.400
G10     79.2           52.4                4.2 +/-    0.65       5.1 +/-    0.65  0.100 / 0.190
G11     303.6          22.8                2.4 +/-    2.01       5.0 +/-    2.01  0.100 / 0.190
G14     294.1          70.9                5.1 +/-    0.40       5.4 +/-    0.40  0.040 / 0.040
G18     304.8          41.0                5.2 +/-    0.68       7.4 +/-    0.68  0.040 / 0.040
G20     104.7          29.7                6.1 +/-    0.69      10.8 +/-    0.69  0.040 / 0.050
G27     225.6          9.9                 6.1 +/-    3.50      16.9 +/-    3.50  0.050 / 0.060
G31     175.6          41.2                6.8 +/-    0.86       9.6 +/-    0.86  0.070 / 0.250
G32     357.1          69.9                4.6 +/-    0.69       4.9 +/-    0.69  0.080 / 0.170