PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/26-04:12:50
G01     320.2          14.7              -17.0 +/-   28.55     -42.5 +/-   28.55  0.140 / 0.350
G08     260.4          15.1                7.4 +/-    1.47      18.5 +/-    1.47  0.150 / 0.390
G10     73.7           55.1                3.5 +/-    0.44       4.1 +/-    0.44  0.040 / 0.060
G11     306.0          21.5                5.4 +/-    2.09      11.6 +/-    2.09  0.040 / 0.060
G14     280.9          68.1                5.0 +/-    0.72       5.4 +/-    0.72  0.030 / 0.050
G18     307.9          37.4                4.6 +/-    1.25       7.0 +/-    1.25  0.040 / 0.040
G20     91.2           50.6                6.4 +/-    0.55       7.9 +/-    0.55  0.080 / 0.320
G27     226.8          11.2                7.9 +/-    3.16      21.5 +/-    3.16  0.080 / 0.300
G31     175.0          39.7                7.4 +/-    1.02      10.7 +/-    1.02  0.170 / 0.420
G32     4.4            69.1                4.0 +/-    0.36       4.3 +/-    0.36  0.140 / 0.440