PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/07-01:12:50
G10     276.2          42.4               12.7 +/-    0.80      17.8 +/-    0.80  0.060 / 0.160
G13     39.3           13.1                8.5 +/-    1.02      22.3 +/-    1.02  0.050 / 0.170
G15     53.0           44.0               11.0 +/-    0.42      15.0 +/-    0.42  0.070 / 0.080
G18     317.4          66.0               12.6 +/-    0.93      13.7 +/-    0.93  0.050 / 0.060
G20     61.0           27.3                9.3 +/-    1.02      17.3 +/-    1.02  0.150 / 0.260
G21     29.9           76.2               13.1 +/-    0.69      13.4 +/-    0.69  0.120 / 0.250
G24     114.3          18.8               15.2 +/-    1.39      34.6 +/-    1.39  0.040 / 0.040
G27     312.8          26.5               11.5 +/-    1.65      21.7 +/-    1.65  0.040 / 0.040
G29     167.7          20.4               15.0 +/-    2.59      32.8 +/-    2.59  0.060 / 0.130
G32     206.2          16.1               16.8 +/-    1.21      40.7 +/-    1.21  0.070 / 0.130