PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/07/09-00:58:00
G10     268.5          40.2               12.2 +/-    1.55      17.7 +/-    1.55  0.110 / 0.130
G13     41.1           16.5                8.4 +/-    2.41      20.1 +/-    2.41  0.100 / 0.210
G15     57.6           47.4                9.3 +/-    0.80      12.1 +/-    0.80  0.100 / 0.060
G16     279.1          12.1                9.9 +/-    1.31      26.5 +/-    1.31  0.090 / 0.080
G20     299.3          60.4               11.0 +/-    0.93      12.4 +/-    0.93  0.040 / 0.050
G21     4.4            72.0               11.7 +/-    0.68      12.2 +/-    0.68  0.040 / 0.040
G24     120.3          14.7               12.1 +/-    1.84      30.2 +/-    1.84  0.120 / 0.260
G27     318.7          18.9                8.9 +/-    2.07      20.1 +/-    2.07  0.160 / 0.240
G29     166.7          29.3               13.4 +/-    1.41      23.8 +/-    1.41  0.040 / 0.040