PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/04-12:42:30
G03     204.4          49.4                8.0 +/-    0.83      10.1 +/-    0.83  0.070 / 0.230
G07     263.7          20.1                5.6 +/-    1.72      12.3 +/-    1.72  0.160 / 0.270
G09     314.4          35.6                5.4 +/-    0.68       8.4 +/-    0.68  0.080 / 0.100
G16     70.7           61.2                6.1 +/-    0.54       6.9 +/-    0.54  0.090 / 0.100
G22     183.5          30.9                6.7 +/-    1.91      11.5 +/-    1.91  0.030 / 0.030
G23     345.5          70.1                5.7 +/-    0.44       6.0 +/-    0.44  0.030 / 0.040
G26     47.1           34.5                6.9 +/-    1.59      11.0 +/-    1.59  0.030 / 0.040
G27     127.7          16.4                6.6 +/-    2.80      15.9 +/-    2.80  0.030 / 0.030