PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/10-20:42:40
G07     23.7           67.9               10.6 +/-    0.65      11.4 +/-    0.65  0.030 / 0.030
G08     64.3           47.8               11.1 +/-    0.72      14.3 +/-    0.72  0.030 / 0.040
G09     180.6          52.8               12.6 +/-    0.62      15.4 +/-    0.62  0.130 / 0.210
G11     130.3          27.0               12.8 +/-    0.76      24.0 +/-    0.76  0.180 / 0.200
G23     160.4          22.9               13.0 +/-    1.30      26.7 +/-    1.30  0.070 / 0.140
G27     42.4           20.7                9.3 +/-    2.57      20.0 +/-    2.57  0.070 / 0.150
G28     253.8          40.7               13.7 +/-    2.67      19.7 +/-    2.67  0.060 / 0.050
G30     318.4          49.3               10.0 +/-    1.11      12.8 +/-    1.11  0.040 / 0.040