PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/12/06-15:43:00
G10     245.6          21.6                7.5 +/-    2.00      16.0 +/-    2.00  0.030 / 0.040
G13     60.7           34.0                6.8 +/-    2.02      11.1 +/-    2.02  0.040 / 0.040
G15     96.6           57.0                8.6 +/-    0.89      10.0 +/-    0.89  0.160 / 0.270
G16     306.1          13.2                4.5 +/-    2.26      11.7 +/-    2.26  0.210 / 0.270
G18     261.9          53.7                7.9 +/-    2.42       9.5 +/-    2.42  0.060 / 0.090
G20     36.1           56.2                7.5 +/-    0.68       8.8 +/-    0.68  0.050 / 0.100
G21     333.1          59.7                5.5 +/-    1.73       6.3 +/-    1.73  0.040 / 0.040
G26     276.6          17.3                5.5 +/-    2.44      12.9 +/-    2.44  0.040 / 0.040
G29     160.4          52.0               10.0 +/-    0.60      12.3 +/-    0.60  0.130 / 0.400