Radio: SDR... Amp Your Rig to 500kW and Beyond

[grarpamp]

https://www.youtube.com/watch?v=CbHjcwIoTiY
https://www.youtube.com/watch?v=b9UO9tn4MpI
https://www.youtube.com/watch?v=uo9nGzIzSPw

https://news.ycombinator.com/item?id=22158976
https://en.wikipedia.org/wiki/Jim_Creek_Naval_Radio_Station
https://en.wikipedia.org/wiki/Roumoules_radio_transmitter


USB for plugging RTL-SDR and gadgets...

https://news.ycombinator.com/item?id=22152736
https://www.usb-hubs.org/