PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/07/01-03:12:40
G08     309.5          18.6               10.6 +/-    1.26      24.1 +/-    1.26  0.040 / 0.060
G10     339.5          61.1               11.3 +/-    1.12      12.7 +/-    1.12  0.040 / 0.060
G14     218.9          32.7               15.0 +/-    1.85      25.0 +/-    1.85  0.060 / 0.150
G20     41.6           59.5               11.6 +/-    0.80      13.2 +/-    0.80  0.090 / 0.180
G21     136.6          55.3               14.4 +/-    0.79      17.2 +/-    0.79  0.040 / 0.030
G24     71.6           29.9               19.1 +/-    0.79      33.5 +/-    0.79  0.040 / 0.030
G27     272.9          37.2               14.1 +/-    0.80      21.5 +/-    0.80  0.070 / 0.080
G32     224.7          52.6               15.2 +/-    2.10      18.6 +/-    2.10  0.080 / 0.090