PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/14-07:13:00
G01     105.2          25.0                4.3 +/-    2.36       8.4 +/-    2.36  0.030 / 0.030
G07     107.2          57.3                5.6 +/-    0.44       6.5 +/-    0.44  0.030 / 0.030
G08     42.0           21.5                3.1 +/-    2.78       6.5 +/-    2.78  0.230 / 0.360
G09     173.6          12.6                4.2 +/-    6.53      11.1 +/-    6.53  0.400 / 0.580
G11     91.5           44.7                5.2 +/-    0.72       7.0 +/-    0.72  0.290 / 0.320
G13     309.0          29.9                3.8 +/-    1.08       6.7 +/-    1.08  0.300 / 0.270
G17     205.0          36.5                5.5 +/-    0.85       8.5 +/-    0.85  0.030 / 0.040
G19     207.8          14.9                3.5 +/-    4.85       8.8 +/-    4.85  0.030 / 0.040
G28     303.1          57.4                3.2 +/-    0.92       3.8 +/-    0.92  0.040 / 0.070
G30     9.6            77.4                4.9 +/-    1.14       5.0 +/-    1.14  0.050 / 0.070