I can't get Slack to open or I would have posted this there. Roy Lewallen has retired and is offering his antenna design software, EZNEC Pro/2 v. 6.0, free for download. He will also have the v. 7.0 available soon. Details can be seen here: https://www.eznec.com/?fbclid=IwAR2HlsMUv_wpkYw5TzmV-VcGBtDAECam_tWTJRJF14caNsK7PSH1dNeAcec -- 73, Jack, VE3RUA/K0JP Shelley, K0MKL