PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/01-23:12:50
G10     265.2          38.4               14.5 +/-    1.48      21.7 +/-    1.48  0.120 / 0.230
G13     42.5           18.8                8.5 +/-    1.12      19.3 +/-    1.12  0.130 / 0.170
G15     61.2           50.2               12.1 +/-    1.04      15.3 +/-    1.04  0.060 / 0.090
G16     281.3          13.1               10.2 +/-    1.20      26.4 +/-    1.20  0.060 / 0.080
G20     293.8          59.1               12.9 +/-    1.47      14.8 +/-    1.47  0.120 / 0.350
G21     356.7          69.9               11.6 +/-    0.36      12.3 +/-    0.36  0.120 / 0.320
G24     123.1          12.9               15.2 +/-    3.00      39.6 +/-    3.00  0.040 / 0.050
G27     319.9          16.7                7.8 +/-    2.27      18.7 +/-    2.27  0.040 / 0.050
G29     166.6          33.2               16.7 +/-    2.28      27.5 +/-    2.28  0.100 / 0.400