I’ve recently “made” a 4-element Yagi in software for my YouTube channel which should give a great match to 50 ohms.
If you’re into MMANA software modeling, here’s the file:
NOTE: This is a ZIP file because my Content Management System doesn’t like files ending in MMA. By all means have your Virus Scanner check this Zip file. There is only one file inside this ZIP. Just the MMANA file.