PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/13-06:57:50
G01     49.9           24.9                6.1 +/-    1.55      11.9 +/-    1.55  0.050 / 0.050
G06     176.9          23.4                8.5 +/-    3.35      17.2 +/-    3.35  0.050 / 0.050
G07     145.2          14.0                7.1 +/-    2.36      18.1 +/-    2.36  0.200 / 0.260
G11     45.7           19.9                5.7 +/-    2.12      12.6 +/-    2.12  0.170 / 0.210
G13     250.7          32.3               10.0 +/-    1.99      16.7 +/-    1.99  0.050 / 0.050
G15     283.2          16.4                8.8 +/-    1.42      21.3 +/-    1.42  0.050 / 0.060
G17     303.6          79.4                9.2 +/-    0.57       9.3 +/-    0.57  0.030 / 0.020
G19     243.7          60.9                8.4 +/-    0.95       9.5 +/-    0.95  0.020 / 0.020
G28     36.7           58.3                9.3 +/-    1.68      10.7 +/-    1.68  0.050 / 0.040
G30     150.0          46.8               13.0 +/-    0.43      17.1 +/-    0.43  0.050 / 0.040