PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/09-23:57:50
G08     314.0          16.7                9.3 +/-    1.17      22.2 +/-    1.17  0.060 / 0.110
G10     317.4          57.1               10.5 +/-    0.59      12.3 +/-    0.59  0.060 / 0.110
G14     214.7          25.8               12.5 +/-    2.50      23.9 +/-    2.50  0.040 / 0.050
G15     45.8           17.4                9.6 +/-    0.67      22.5 +/-    0.67  0.040 / 0.050
G18     25.4           62.4               10.4 +/-    0.64      11.6 +/-    0.64  0.040 / 0.060
G21     125.7          62.5               12.3 +/-    1.01      13.6 +/-    1.01  0.040 / 0.070
G24     83.9           30.2               12.2 +/-    0.55      21.3 +/-    0.55  0.070 / 0.090
G27     282.2          38.1               10.4 +/-    0.81      15.6 +/-    0.81  0.080 / 0.080
G32     218.3          42.8               13.7 +/-    1.29      19.1 +/-    1.29  0.090 / 0.230