PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/04-14:28:10
G03     211.3          58.0                8.9 +/-    0.65      10.3 +/-    0.65  0.080 / 0.530
G07     256.2          14.2                7.6 +/-    1.55      19.4 +/-    1.55  0.110 / 0.390
G09     309.8          27.1                5.9 +/-    1.73      11.0 +/-    1.73  0.030 / 0.050
G14     107.8          10.1                8.1 +/-    2.79      22.6 +/-    2.79  0.040 / 0.050
G16     94.6           64.0                8.4 +/-    0.50       9.2 +/-    0.50  0.100 / 0.240
G22     184.4          39.0                9.2 +/-    1.04      13.7 +/-    1.04  0.110 / 0.200
G23     336.3          63.6                9.2 +/-    0.56      10.1 +/-    0.56  0.040 / 0.050
G26     53.3           42.3                8.4 +/-    0.76      11.8 +/-    0.76  0.040 / 0.050
G27     134.5          10.2              -16.6 +/-   11.62     -46.2 +/-   11.62  0.040 / 0.040