PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/26-06:42:50
G01     123.3          14.6                5.0 +/-    2.02      12.5 +/-    2.02  0.030 / 0.030
G07     70.0           67.7                2.8 +/-    0.48       3.0 +/-    0.48  0.040 / 0.040
G08     46.4           33.4                2.6 +/-    0.84       4.2 +/-    0.84  0.030 / 0.040
G09     174.3          27.0                4.7 +/-    2.18       8.7 +/-    2.18  0.030 / 0.040
G11     111.0          38.0                5.1 +/-    0.94       7.6 +/-    0.94  0.170 / 0.310
G13     319.6          15.8                0.8 +/-    1.99       1.9 +/-    1.99  0.140 / 0.270
G17     199.7          21.6                5.5 +/-    0.70      11.6 +/-    0.70  0.100 / 0.450
G18     97.0           18.7                4.6 +/-    1.09      10.5 +/-    1.09  0.110 / 0.370
G28     282.0          54.3                5.3 +/-    0.74       6.3 +/-    0.74  0.100 / 0.240
G30     336.0          63.2                2.5 +/-    0.91       2.7 +/-    0.91  0.100 / 0.190