PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/28-04:12:40
G01     229.5          20.2                7.4 +/-    1.08      16.2 +/-    1.08  0.070 / 0.150
G03     299.1          62.6              -25.9 +/-   28.97     -28.8 +/-   28.97  0.090 / 0.160
G14     83.5           25.6                6.6 +/-    1.67      12.6 +/-    1.67  0.040 / 0.040
G16     154.4          38.8                8.4 +/-    1.53      12.5 +/-    1.53  0.030 / 0.040
G22     232.7          74.0                6.1 +/-    0.66       6.3 +/-    0.66  0.090 / 0.300
G23     303.0          32.6                4.7 +/-    1.73       7.7 +/-    1.73  0.070 / 0.260
G26     112.6          53.4                7.6 +/-    1.17       9.2 +/-    1.17  0.070 / 0.120
G31     42.5           39.1                3.3 +/-    1.07       4.9 +/-    1.07  0.060 / 0.120
G32     94.9           11.5                6.3 +/-    1.11      17.0 +/-    1.11  0.100 / 0.180