PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/07/12-03:58:10
G08     268.9          17.6                8.0 +/-    1.82      18.7 +/-    1.82  0.200 / 0.250
G10     65.3           56.5                4.3 +/-    0.43       5.1 +/-    0.43  0.180 / 0.270
G11     310.9          17.7               -7.7 +/-    8.91     -17.9 +/-    8.91  0.030 / 0.030
G14     268.4          66.8                5.0 +/-    0.75       5.4 +/-    0.75  0.030 / 0.030
G18     311.6          33.8                3.8 +/-    1.01       6.2 +/-    1.01  0.200 / 0.490
G20     96.8           36.0                4.9 +/-    0.59       7.7 +/-    0.59  0.260 / 0.530
G21     155.4          14.7                5.3 +/-    2.96      13.3 +/-    2.96  0.050 / 0.040
G27     231.4          15.5                7.8 +/-    1.95      19.3 +/-    1.95  0.050 / 0.050
G31     176.9          32.7                6.6 +/-    1.98      10.9 +/-    1.98  0.080 / 0.120
G32     337.4          74.0                5.3 +/-    0.70       5.5 +/-    0.70  0.050 / 0.120