PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/04-04:43:00
G03     233.8          65.7                3.6 +/-    0.64       3.9 +/-    0.64  0.080 / 0.570
G07     250.9          11.2                0.7 +/-   10.38       2.0 +/-   10.38  0.080 / 0.440
G09     306.4          22.9                2.2 +/-    1.17       4.5 +/-    1.17  0.060 / 0.060
G14     103.7          10.4                4.2 +/-    1.99      11.6 +/-    1.99  0.060 / 0.060
G16     127.0          61.7                6.0 +/-    0.56       6.7 +/-    0.56  0.070 / 0.130
G22     193.3          51.9                5.5 +/-    1.23       6.7 +/-    1.23  0.080 / 0.150
G23     321.2          50.9                3.5 +/-    1.25       4.4 +/-    1.25  0.040 / 0.050
G26     67.5           52.9                3.3 +/-    0.30       4.0 +/-    0.30  0.040 / 0.050
G31     53.3           19.4                1.8 +/-    1.28       4.0 +/-    1.28  0.100 / 0.590