Flightradar24 VS my ADS-B

Hi to all , today i saw something really strange, as you can see on pictures , this screenshoots are taken at the same time on flightradar24 i see only one aircraft and on my ads-b page (dump1090) i see many many planes.... so whats up?

Capturar.jpgCapturar1.jpg

Attached Images

• Capturar1.jpg (91.7 KB)
• Capturar.jpg (97.1 KB)