PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/26-04:13:00
G07     41.2           69.2                6.3 +/-    0.52       6.6 +/-    0.52  0.290 / 0.220
G08     53.5           41.4                4.7 +/-    1.01       6.7 +/-    1.01  0.100 / 0.340
G09     176.2          39.4                8.3 +/-    0.84      12.2 +/-    0.84  0.040 / 0.030
G11     122.0          32.5                5.9 +/-    0.50       9.9 +/-    0.50  0.030 / 0.030
G17     198.3          11.7                1.1 +/-   15.29       2.9 +/-   15.29  0.030 / 0.030
G23     161.4          14.8                6.1 +/-    1.06      15.3 +/-    1.06  0.040 / 0.040
G27     38.9           13.6                2.7 +/-    2.80       7.0 +/-    2.80  0.270 / 0.430
G28     266.1          48.3                8.0 +/-    3.22      10.3 +/-    3.22  0.130 / 0.250
G30     325.0          54.7                6.0 +/-    0.72       7.2 +/-    0.72  0.120 / 0.100