I followed the link to N8LP's web site where it states LP-PAN production ceased just before Halloween 2019.
His focus now is on his station monitor and power meters.
SDRplay RSPx with N2IC's waterfall band map ($150 or less) has been my solution for almost 2 years.
I run it on a second 32 inch monitor with N1MM on the primary monitor.
Bob R - N7WY