Hear activity on this freq nightly. Can anyone confirm this is Portuguese?

Apologies for not posting in many months. Here’s a quick clip of Gander Radio active on 6604 Khz.

Can anyone confirm what this is please? Hearing everything from serdolik used by the Russian Diplomats to the South African Navy.

NY Radio with HF aircraft traffic

Shannon Volmet with automated weather observations across Europe.

A small clip of a few ham radio operators on 40m using AM mode,

Typical FT 8 activity on 17m

EA3JE on 20m working North American Stations

Some Over The Horizon Radar activity outside of the 20 meter amateur radio band. See the other video of this activity outside of the 40 meter band.

Over The Horizon Radar Activity outside the 40 meter amateur radio band. See the other video with this activity outside the 20 meter band.