PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/25-05:27:50
G01     69.0           31.7                4.6 +/-    0.64       7.8 +/-    0.64  0.030 / 0.030
G07     136.7          31.6                8.9 +/-    1.02      15.0 +/-    1.02  0.030 / 0.030
G11     55.6           34.8                3.9 +/-    0.80       6.2 +/-    0.80  0.110 / 0.260
G13     273.6          38.9                7.7 +/-    0.72      11.4 +/-    0.72  0.110 / 0.250
G15     300.7          16.3                2.0 +/-    2.50       4.8 +/-    2.50  0.050 / 0.080
G17     230.4          69.2                6.1 +/-    0.70       6.5 +/-    0.70  0.060 / 0.130
G19     222.6          43.9                8.1 +/-    1.04      11.1 +/-    1.04  0.040 / 0.060
G28     0.9            61.4                3.5 +/-    0.82       3.9 +/-    0.82  0.040 / 0.050
G30     135.4          66.5                8.4 +/-    0.88       9.1 +/-    0.88  0.060 / 0.080