PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/02-21:43:10
G07     59.0           67.7                9.6 +/-    0.97      10.3 +/-    0.97  0.060 / 0.090
G08     50.8           39.2                8.9 +/-    1.07      13.1 +/-    1.07  0.060 / 0.110
G09     178.5          38.7               12.1 +/-    0.74      17.9 +/-    0.74  0.160 / 0.330
G11     118.4          34.9               11.9 +/-    1.45      18.9 +/-    1.45  0.180 / 0.330
G17     198.7          14.7               13.2 +/-    1.87      33.2 +/-    1.87  0.030 / 0.060
G18     102.0          15.7               11.4 +/-    1.51      27.8 +/-    1.51  0.030 / 0.040
G23     161.2          10.7               10.9 +/-    1.81      29.9 +/-    1.81  0.210 / 0.240
G27     37.9           10.7                8.1 +/-    2.16      22.3 +/-    2.16  0.220 / 0.370
G28     269.6          49.1               11.1 +/-    1.03      14.2 +/-    1.03  0.040 / 0.040
G30     330.7          59.2                8.7 +/-    0.86      10.0 +/-    0.86  0.040 / 0.040