PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/29-15:57:50
G02     55.9           35.6                6.6 +/-    0.84      10.4 +/-    0.84  0.040 / 0.040
G05     67.0           66.5                8.4 +/-    0.45       9.1 +/-    0.45  0.030 / 0.040
G12     183.7          35.8               10.5 +/-    1.89      16.4 +/-    1.89  0.090 / 0.260
G13     129.4          12.5               10.2 +/-    2.99      26.9 +/-    2.99  0.110 / 0.290
G15     165.4          9.9               -10.2 +/-    9.55     -28.5 +/-    9.55  0.100 / 0.480
G21     268.6          14.3                9.9 +/-    2.26      25.0 +/-    2.26  0.100 / 0.470
G25     243.8          54.4                9.7 +/-    0.61      11.6 +/-    0.61  0.050 / 0.070
G29     325.8          50.4                8.2 +/-    0.95      10.2 +/-    0.95  0.040 / 0.060