PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/14-16:58:00
G02     54.8           36.8                6.3 +/-    1.01       9.7 +/-    1.01  0.210 / 0.430
G05     67.4           66.3                8.4 +/-    0.51       9.0 +/-    0.51  0.090 / 0.340
G12     184.4          37.0                8.9 +/-    0.55      13.7 +/-    0.55  0.390 / 0.480
G13     129.9          12.1               11.6 +/-    3.36      31.0 +/-    3.36  0.210 / 0.400
G21     268.0          13.8                7.6 +/-    1.86      19.5 +/-    1.86  0.060 / 0.070
G25     245.0          54.7                8.9 +/-    1.31      10.6 +/-    1.31  0.050 / 0.090
G29     325.5          50.0                7.3 +/-    0.78       9.2 +/-    0.78  0.050 / 0.080