PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/07/26-01:28:10
G08     311.1          17.5                8.9 +/-    1.47      20.9 +/-    1.47  0.050 / 0.070
G10     338.2          60.9                9.2 +/-    0.77      10.3 +/-    0.77  0.080 / 0.080
G14     218.5          31.4               10.9 +/-    2.24      18.6 +/-    2.24  0.040 / 0.050
G20     39.7           60.0                9.3 +/-    0.67      10.6 +/-    0.67  0.050 / 0.040
G21     135.9          56.4               12.1 +/-    0.61      14.2 +/-    0.61  0.170 / 0.200
G24     72.8           30.1                8.8 +/-    1.33      15.3 +/-    1.33  0.090 / 0.190
G27     273.6          37.4                9.3 +/-    3.05      14.1 +/-    3.05  0.070 / 0.060
G32     224.0          52.8               11.1 +/-    2.17      13.5 +/-    2.17  0.090 / 0.070