Yeah. ADS-B will not show many civilian general aviation planes. There also seems to be only a single RTL-SDR in there. So it does not cover the additional 978MHz ADS-B channel that is is used in USA.

The global Military ADS-B Receivers market was valued at US$587 million in 2021 and is projected to grow at a CAGR of 7.5% during the forecast period 2022-2032.. R&D Focus on Technology and ...

OTTAWA, ON, Aug. 10, 2023 /CNW/ - NAV CANADA today marked the coming into force of the Automatic Dependent Surveillance-Broadcast (ADS-B) Out Performance Requirements Mandate for aircraft flying ...