PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/04-23:58:00
G01     92.6           31.3               11.2 +/-    1.10      19.1 +/-    1.10  0.040 / 0.050
G07     123.5          47.6               11.6 +/-    0.51      15.1 +/-    0.51  0.040 / 0.050
G08     42.4           11.8                7.6 +/-    2.10      20.4 +/-    2.10  0.060 / 0.100
G11     74.5           42.3               10.5 +/-    0.77      14.8 +/-    0.77  0.080 / 0.100
G13     297.5          34.8                8.6 +/-    4.64      13.8 +/-    4.64  0.370 / 0.290
G17     213.7          49.2               10.1 +/-    0.70      12.9 +/-    0.70  0.110 / 0.230
G19     213.8          25.3                9.9 +/-    1.06      19.2 +/-    1.06  0.030 / 0.050
G28     346.5          61.8                9.0 +/-    0.44      10.0 +/-    0.44  0.030 / 0.050
G30     103.9          73.8               10.9 +/-    0.88      11.3 +/-    0.88  0.030 / 0.050