PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/12/28-00:12:40
G03     195.2          31.6               10.0 +/-    1.41      17.0 +/-    1.41  0.140 / 0.300
G07     279.6          31.1                9.5 +/-    0.64      16.2 +/-    0.64  0.170 / 0.310
G08     149.0          18.8               10.6 +/-    3.15      24.0 +/-    3.15  0.050 / 0.050
G09     319.8          50.9                6.3 +/-    0.63       7.9 +/-    0.63  0.040 / 0.050
G16     49.4           52.7                7.4 +/-    0.57       9.1 +/-    0.57  0.110 / 0.190
G22     180.8          16.6                9.6 +/-    1.86      23.0 +/-    1.86  0.120 / 0.170
G23     26.5           82.0                5.9 +/-    0.66       5.9 +/-    0.66  0.030 / 0.040
G26     43.2           22.5                4.8 +/-    2.53      10.0 +/-    2.53  0.030 / 0.040
G27     110.7          28.2               10.4 +/-    0.66      18.9 +/-    0.66  0.070 / 0.090