PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/05/03-23:57:30
G02     344.9          78.5                8.1 +/-    0.73       8.2 +/-    0.73  0.100 / 0.140
G05     163.5          33.6               15.0 +/-    1.34      24.4 +/-    1.34  0.100 / 0.140
G06     40.4           43.0                7.8 +/-    0.69      10.8 +/-    0.69  0.030 / 0.040
G12     313.7          67.7                8.1 +/-    0.49       8.7 +/-    0.49  0.030 / 0.030
G17     85.4           11.3               10.2 +/-    2.48      27.6 +/-    2.48  0.060 / 0.120
G19     74.4           27.0                9.2 +/-    0.80      17.2 +/-    0.80  0.060 / 0.130
G24     227.9          22.7               14.7 +/-    2.25      30.3 +/-    2.25  0.030 / 0.040
G25     317.0          28.7                7.8 +/-    1.85      14.1 +/-    1.85  0.040 / 0.040
G29     286.7          11.4                9.0 +/-   10.59      24.4 +/-   10.59  0.130 / 0.260