PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/25-21:43:10
G01     86.3           32.2               12.0 +/-    1.44      20.0 +/-    1.44  0.040 / 0.060
G07     128.5          37.7               13.2 +/-    0.64      19.9 +/-    0.64  0.030 / 0.070
G11     63.7           37.9               10.9 +/-    0.68      16.4 +/-    0.68  0.040 / 0.050
G13     290.6          37.5               11.3 +/-    3.54      17.1 +/-    3.54  0.040 / 0.040
G15     312.8          11.6                8.7 +/-    3.03      23.4 +/-    3.03  0.090 / 0.110
G17     215.7          58.0               13.8 +/-    1.39      16.0 +/-    1.39  0.140 / 0.170
G18     58.2           21.8                9.5 +/-    1.47      20.0 +/-    1.47  0.060 / 0.100
G19     215.4          29.6               14.0 +/-    3.49      24.7 +/-    3.49  0.060 / 0.100
G28     346.2          61.7               10.3 +/-    0.64      11.6 +/-    0.64  0.030 / 0.020
G30     114.2          73.2               12.9 +/-    0.31      13.4 +/-    0.31  0.030 / 0.030