1. PackTenna - https://www.packtenna.com/support.html#/
2. AB2EW: LC Bandpass Filters for 20M, 30M, 40M - http://www.rcarc.org/presentations/Bandpass%20Filters_1.pdf
3. 432 and Above EME Newsletters - https://www.nitehawk.com/rasmit/em70cm.html
4. HAM-Toolbox (Mac App) - https://apps.apple.com/app/ham-toolbox/id1630108109
** HAM-Toolbox - https://appadvice.com/app/ham-toolbox/1630108109
5. TRX DUO APPLICATION BASED HF SDR TRANSCEIVER (RED PIYATA) - https://www.youtube.com/watch?v=teks8v3u8F0
** TRX-DUO SDR Receiver Dual 16bit - https://www.aliexpress.com/item/1005004725329517.html
** Red Pitaya Notes - http://pavel-demin.github.io/red-pitaya-notes/
