PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/12-18:27:30
G03     189.4          21.3               11.6 +/-    1.46      24.6 +/-    1.46  0.110 / 0.190
G07     291.2          40.4                9.0 +/-    1.23      13.0 +/-    1.23  0.140 / 0.250
G08     141.3          26.7               14.8 +/-    0.91      27.9 +/-    0.91  0.120 / 0.190
G09     320.6          60.0               11.2 +/-    0.47      12.8 +/-    0.47  0.080 / 0.090
G16     45.0           46.2               10.0 +/-    0.68      13.2 +/-    0.68  0.180 / 0.420
G23     98.7           82.3               10.0 +/-    1.00      10.1 +/-    1.00  0.310 / 0.580
G26     43.7           17.2                8.6 +/-    0.99      20.3 +/-    0.99  0.040 / 0.040
G27     104.9          32.6               14.9 +/-    1.44      24.8 +/-    1.44  0.030 / 0.040
G30     272.3          11.7               10.0 +/-    5.87      27.0 +/-    5.87  0.060 / 0.100