PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/04-05:43:00
G01     320.2          14.7              -16.3 +/-   28.25     -40.9 +/-   28.25  0.120 / 0.350
G08     261.3          15.0                7.8 +/-    1.80      19.4 +/-    1.80  0.190 / 0.420
G10     73.7           55.2                3.9 +/-    0.42       4.6 +/-    0.42  0.040 / 0.050
G11     306.4          21.1                4.5 +/-    2.23       9.6 +/-    2.23  0.040 / 0.060
G14     279.2          67.4                4.4 +/-    0.42       4.8 +/-    0.42  0.030 / 0.030
G18     308.1          37.2                4.8 +/-    1.41       7.3 +/-    1.41  0.030 / 0.040
G20     98.9           38.6                6.0 +/-    0.59       8.9 +/-    0.59  0.160 / 0.710
G27     226.6          11.2                6.2 +/-    3.16      16.9 +/-    3.16  0.160 / 0.360
G31     175.0          39.8                7.0 +/-    1.40      10.2 +/-    1.40  0.090 / 0.300
G32     4.4            69.0                4.7 +/-    0.29       5.0 +/-    0.29  0.080 / 0.320