PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/02/05-21:43:10
G07     318.0          52.7                9.5 +/-    1.28      11.6 +/-    1.28  0.050 / 0.080
G08     117.4          45.2               12.1 +/-    1.11      16.2 +/-    1.11  0.040 / 0.090
G09     267.1          83.2                9.7 +/-    0.98       9.7 +/-    0.98  0.110 / 0.190
G16     42.8           22.0                6.3 +/-    1.03      13.3 +/-    1.03  0.120 / 0.120
G23     149.5          59.3               11.9 +/-    1.30      13.6 +/-    1.30  0.040 / 0.060
G27     74.6           38.0                8.3 +/-    0.80      12.5 +/-    0.80  0.040 / 0.060
G28     226.9          14.8               10.7 +/-    1.84      26.9 +/-    1.84  0.180 / 0.520
G30     290.3          25.4               10.4 +/-    1.33      20.1 +/-    1.33  0.210 / 0.490