PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/10-15:13:00
G02     61.2           30.9                7.3 +/-    0.64      12.6 +/-    0.64  0.040 / 0.040
G05     58.2           61.9                8.3 +/-    0.56       9.3 +/-    0.56  0.050 / 0.040
G12     185.9          32.4                9.7 +/-    1.54      16.2 +/-    1.54  0.070 / 0.110
G13     128.7          15.8               12.5 +/-    1.39      30.5 +/-    1.39  0.080 / 0.100
G15     162.4          13.3               12.2 +/-    1.94      31.6 +/-    1.94  0.040 / 0.060
G20     209.2          60.0               11.4 +/-    1.04      12.9 +/-    1.04  0.040 / 0.060
G21     273.3          21.1                5.6 +/-    1.55      12.1 +/-    1.55  0.090 / 0.250
G25     233.4          50.8                9.5 +/-    0.56      11.8 +/-    0.56  0.080 / 0.310
G29     334.9          61.3                6.9 +/-    0.50       7.7 +/-    0.50  0.040 / 0.060