PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/04/26-00:12:30
G02     298.7          81.6               10.0 +/-    0.80      10.0 +/-    0.80  0.080 / 0.170
G05     166.9          25.9               15.7 +/-    1.86      30.1 +/-    1.86  0.100 / 0.180
G06     39.0           51.1                9.0 +/-    0.42      11.2 +/-    0.42  0.030 / 0.060
G12     319.3          59.4               10.5 +/-    0.70      12.0 +/-    0.70  0.040 / 0.040
G17     79.1           15.8                9.7 +/-    1.71      23.6 +/-    1.71  0.050 / 0.130
G19     66.8           31.9               10.5 +/-    0.80      17.7 +/-    0.80  0.070 / 0.150
G24     234.2          28.2               14.2 +/-    2.65      25.9 +/-    2.65  0.060 / 0.080
G25     317.4          21.7                7.7 +/-    3.55      16.2 +/-    3.55  0.060 / 0.100