PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/05-23:27:50
G01     73.9           33.0                9.0 +/-    1.10      14.8 +/-    1.10  0.040 / 0.050
G07     135.5          29.2               11.2 +/-    1.19      19.9 +/-    1.19  0.050 / 0.050
G11     54.5           31.7                7.6 +/-    1.20      12.8 +/-    1.20  0.080 / 0.090
G13     277.5          38.4                9.6 +/-    1.52      14.3 +/-    1.52  0.120 / 0.130
G15     304.7          14.8                4.2 +/-    2.03      10.4 +/-    2.03  0.070 / 0.090
G17     228.1          68.6               10.1 +/-    0.85      10.7 +/-    0.85  0.090 / 0.100
G18     48.7           17.4                6.7 +/-    1.67      15.7 +/-    1.67  0.050 / 0.090
G19     221.5          38.9               10.9 +/-    1.65      16.2 +/-    1.65  0.050 / 0.110
G28     7.1            60.9                8.5 +/-    1.23       9.5 +/-    1.23  0.090 / 0.210
G30     132.3          64.5               11.0 +/-    0.33      12.1 +/-    0.33  0.090 / 0.210