PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/04-21:43:00
G05     48.5           17.3                6.3 +/-    0.96      14.7 +/-    0.96  0.110 / 0.420
G10     235.8          13.7               11.1 +/-    1.60      28.5 +/-    1.60  0.150 / 0.370
G13     75.0           35.3                8.8 +/-    0.84      13.8 +/-    0.84  0.160 / 0.520
G15     124.6          52.3               10.8 +/-    0.61      13.2 +/-    0.61  0.150 / 0.460
G16     314.5          12.2                8.4 +/-    2.52      22.3 +/-    2.52  0.050 / 0.070
G20     248.1          36.7               11.7 +/-    0.77      18.0 +/-    0.77  0.040 / 0.080
G21     312.8          46.0                8.3 +/-    1.49      11.1 +/-    1.49  0.060 / 0.140
G25     200.1          12.0               10.6 +/-    2.00      28.3 +/-    2.00  0.060 / 0.120
G26     288.1          20.1                8.6 +/-    1.34      19.0 +/-    1.34  0.190 / 0.360
G29     152.3          72.5                8.9 +/-    1.03       9.3 +/-    1.03  0.140 / 0.310