PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/15-01:27:50
G10     265.9          37.6               12.6 +/-    1.48      19.1 +/-    1.48  0.110 / 0.110
G13     42.4           19.0                8.9 +/-    1.31      20.1 +/-    1.31  0.130 / 0.160
G15     62.0           51.5               11.2 +/-    0.48      13.8 +/-    0.48  0.120 / 0.360
G16     278.6          12.6               10.9 +/-    1.72      28.6 +/-    1.72  0.160 / 0.500
G20     279.9          48.6               15.7 +/-    0.74      20.1 +/-    0.74  0.210 / 0.440
G21     357.9          70.8               11.9 +/-    0.80      12.5 +/-    0.80  0.180 / 0.360
G24     120.1          13.7               12.0 +/-    2.21      30.7 +/-    2.21  0.040 / 0.060
G27     319.1          18.0                9.1 +/-    1.11      21.0 +/-    1.11  0.040 / 0.040
G29     168.3          33.2               13.3 +/-    1.24      21.8 +/-    1.24  0.080 / 0.090