PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/01-17:57:30
G10     266.3          38.1               10.6 +/-    1.01      15.9 +/-    1.01  0.110 / 0.120
G13     42.1           18.5                8.4 +/-    1.14      19.2 +/-    1.14  0.090 / 0.150
G15     62.4           52.0                9.1 +/-    0.72      11.2 +/-    0.72  0.040 / 0.040
G16     280.0          12.4                9.0 +/-    2.08      23.9 +/-    2.08  0.040 / 0.040
G20     296.2          60.0                8.4 +/-    0.55       9.6 +/-    0.55  0.150 / 0.550
G21     5.3            71.9                9.9 +/-    0.39      10.4 +/-    0.39  0.100 / 0.570
G24     117.6          14.2               12.1 +/-    1.25      30.7 +/-    1.25  0.160 / 0.260
G27     319.7          16.8                7.6 +/-    1.83      18.1 +/-    1.83  0.110 / 0.270
G29     167.4          31.7               11.3 +/-    0.86      19.1 +/-    0.86  0.070 / 0.260