PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/22-01:42:40
G07     306.6          46.9                3.5 +/-    2.51       4.6 +/-    2.51  0.120 / 0.170
G08     127.4          40.3                6.9 +/-    1.05      10.0 +/-    1.05  0.080 / 0.250
G09     296.9          83.1                3.6 +/-    0.48       3.6 +/-    0.48  0.150 / 0.330
G16     42.3           22.6                1.9 +/-    2.57       4.0 +/-    2.57  0.140 / 0.330
G23     144.0          64.6                4.1 +/-    1.38       4.5 +/-    1.38  0.040 / 0.040
G27     80.0           36.9                5.0 +/-    2.05       7.7 +/-    2.05  0.030 / 0.040
G30     284.2          19.0                3.2 +/-    1.67       7.1 +/-    1.67  0.060 / 0.070