PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/09-18:43:00
G03     189.1          20.3               13.8 +/-    1.30      30.1 +/-    1.30  0.080 / 0.140
G07     292.5          41.0               11.3 +/-    3.46      16.1 +/-    3.46  0.130 / 0.140
G08     140.3          27.8               13.8 +/-    1.34      25.4 +/-    1.34  0.040 / 0.030
G09     320.6          61.3               10.3 +/-    0.57      11.6 +/-    0.57  0.030 / 0.030
G16     44.4           44.9                9.3 +/-    0.69      12.5 +/-    0.69  0.060 / 0.080
G23     106.2          81.5               10.4 +/-    0.41      10.5 +/-    0.41  0.060 / 0.090
G26     43.8           16.3                8.5 +/-    2.74      20.4 +/-    2.74  0.260 / 0.260
G27     103.5          33.2               12.5 +/-    0.70      20.6 +/-    0.70  0.180 / 0.390
G30     273.2          12.3               11.3 +/-   14.68      30.0 +/-   14.68  0.060 / 0.070