PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/07/24-22:28:00
G05     48.6           17.1                7.9 +/-    1.33      18.6 +/-    1.33  0.190 / 0.360
G10     235.8          13.7               13.5 +/-    2.80      34.7 +/-    2.80  0.170 / 0.450
G13     75.1           35.4               12.0 +/-    1.20      18.9 +/-    1.20  0.060 / 0.100
G15     124.2          52.3               13.1 +/-    0.61      16.1 +/-    0.61  0.070 / 0.080
G16     314.8          12.0                8.1 +/-    9.64      21.7 +/-    9.64  0.090 / 0.110
G20     248.0          36.3               12.8 +/-    1.77      19.9 +/-    1.77  0.090 / 0.110
G21     312.8          46.1               11.5 +/-    0.78      15.3 +/-    0.78  0.040 / 0.050
G25     200.1          12.0               13.4 +/-    2.63      35.8 +/-    2.63  0.030 / 0.040
G26     288.2          20.1                7.6 +/-    1.64      16.6 +/-    1.64  0.140 / 0.360
G29     152.1          72.2               12.1 +/-    0.61      12.6 +/-    0.61  0.170 / 0.360