PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/15-00:28:10
G03     191.9          23.2                5.7 +/-    1.94      11.6 +/-    1.94  0.060 / 0.090
G07     289.9          38.5                5.3 +/-    1.90       7.9 +/-    1.90  0.060 / 0.080
G08     140.1          27.4                6.3 +/-    1.33      11.6 +/-    1.33  0.040 / 0.030
G09     321.8          63.6                3.3 +/-    1.06       3.6 +/-    1.06  0.030 / 0.030
G16     43.8           41.4               -5.6 +/-    0.56      -8.0 +/-    0.56  0.040 / 0.090
G23     95.9           83.1                2.6 +/-    0.65       2.7 +/-    0.65  0.040 / 0.080
G26     43.6           15.1                2.5 +/-    0.68       6.2 +/-    0.68  0.100 / 0.080
G27     105.0          32.9                6.1 +/-    1.95      10.0 +/-    1.95  0.070 / 0.100
G30     271.9          10.4              -15.0 +/-   22.52     -41.4 +/-   22.52  0.140 / 0.280