PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/05-10:43:10
G01     76.4           33.1                4.8 +/-    1.83       7.9 +/-    1.83  0.040 / 0.060
G07     134.4          33.5                7.9 +/-    3.13      12.9 +/-    3.13  0.040 / 0.060
G11     56.8           32.3                3.1 +/-    0.64       5.2 +/-    0.64  0.080 / 0.120
G13     282.9          36.9                5.6 +/-    1.16       8.7 +/-    1.16  0.080 / 0.110
G15     307.5          13.9                3.6 +/-    1.95       9.2 +/-    1.95  0.050 / 0.080
G17     226.5          67.2                6.4 +/-    1.07       6.9 +/-    1.07  0.070 / 0.080
G19     220.9          39.4                7.4 +/-    2.40      10.8 +/-    2.40  0.080 / 0.240
G28     11.8           60.1                5.0 +/-    1.33       5.7 +/-    1.33  0.080 / 0.200
G30     128.3          67.4                4.7 +/-    1.00       5.1 +/-    1.00  0.030 / 0.040