PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/25-16:12:50
G05     48.8           18.5                5.9 +/-    0.67      13.5 +/-    0.67  0.080 / 0.120
G10     237.4          16.0               12.6 +/-    2.01      30.7 +/-    2.01  0.080 / 0.130
G13     71.7           34.9                9.2 +/-    0.55      14.7 +/-    0.55  0.130 / 0.340
G15     117.6          54.0               10.3 +/-    0.76      12.5 +/-    0.76  0.130 / 0.410
G16     311.4          13.7                6.9 +/-    3.42      17.6 +/-    3.42  0.220 / 0.370
G20     251.4          40.8               11.8 +/-    1.44      17.0 +/-    1.44  0.200 / 0.330
G21     315.7          48.1                8.0 +/-    1.00      10.3 +/-    1.00  0.040 / 0.070
G25     198.5          10.0               10.7 +/-   25.15      29.8 +/-   25.15  0.050 / 0.060
G26     285.3          19.9                8.3 +/-    1.13      18.2 +/-    1.13  0.030 / 0.040
G29     155.3          71.0               11.1 +/-    1.23      11.7 +/-    1.23  0.030 / 0.030