PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/24-18:42:40
G10     247.0          22.8               28.5 +/-    3.08      58.7 +/-    3.08  0.150 / 0.410
G13     58.9           33.4               23.3 +/-    0.45      38.2 +/-    0.45  0.140 / 0.460
G15     94.2           57.4               26.6 +/-    0.48      30.9 +/-    0.48  0.040 / 0.060
G16     305.0          13.1               23.1 +/-    1.33      60.0 +/-    1.33  0.030 / 0.040
G18     263.7          54.1               27.4 +/-    0.97      32.9 +/-    0.97  0.030 / 0.060
G20     38.9           53.1               23.4 +/-    0.74      28.4 +/-    0.74  0.040 / 0.060
G21     332.0          59.3               31.8 +/-    1.03      36.3 +/-    1.03  0.130 / 0.330
G26     277.0          16.5               25.9 +/-    2.23      62.2 +/-    2.23  0.140 / 0.330
G29     160.5          48.7               28.0 +/-    1.52      35.9 +/-    1.52  0.040 / 0.120