PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/02-17:57:40
G03     205.4          53.6               11.8 +/-    0.63      14.3 +/-    0.63  0.150 / 0.260
G07     261.1          21.3               12.0 +/-    1.20      25.5 +/-    1.20  0.040 / 0.050
G09     311.8          30.5                9.1 +/-    1.69      15.8 +/-    1.69  0.170 / 0.260
G16     98.5           66.2               12.0 +/-    0.40      13.0 +/-    0.40  0.110 / 0.250
G22     185.6          36.3               13.3 +/-    3.29      20.7 +/-    3.29  0.060 / 0.090
G23     331.6          61.6                9.7 +/-    0.95      10.9 +/-    0.95  0.070 / 0.100
G26     53.9           45.2                9.1 +/-    0.82      12.2 +/-    0.82  0.030 / 0.050
G27     133.9          12.0               14.7 +/-    3.27      39.2 +/-    3.27  0.040 / 0.060
G31     60.6           10.3                8.6 +/-    2.51      23.9 +/-    2.51  0.080 / 0.240