Several people requested further information on the items I mentioned during the Saturday CCAR round table on 2/13/21. Below are links to those items.
USB Sound Card Interface similar to Signalink: https://www.g4zlp.co.uk/unified/DM_MiniPro_SC.htm
Xeigu SDR HF Transceiver: https://www.connectsystems.com/products/top/radios/G90.htm
End Fed Half Wave Antenna: http://earchi.org/proj_homebrew.html
Please feel free to contact me with any questions.
Jim – WA3NOA