PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/30-04:58:00
G08     264.2          15.8                8.4 +/-    2.66      20.5 +/-    2.66  0.220 / 0.510
G10     72.8           54.4                4.5 +/-    0.56       5.4 +/-    0.56  0.210 / 0.540
G11     307.4          20.4                6.6 +/-    1.77      14.3 +/-    1.77  0.150 / 0.580
G14     280.4          69.2                6.4 +/-    0.40       6.8 +/-    0.40  0.100 / 0.500
G18     308.5          37.6                5.6 +/-    1.18       8.6 +/-    1.18  0.040 / 0.040
G20     101.0          32.8                4.6 +/-    0.95       7.6 +/-    0.95  0.030 / 0.040
G21     155.9          10.3                3.9 +/-    2.00      10.9 +/-    2.00  0.060 / 0.060
G27     228.2          12.5                8.4 +/-    3.86      22.2 +/-    3.86  0.060 / 0.050
G31     176.0          37.3                7.1 +/-    1.21      10.9 +/-    1.21  0.120 / 0.330
G32     350.0          71.9                5.7 +/-    0.68       6.0 +/-    0.68  0.120 / 0.340