The HF vertical is an attractive antenna with a reputation for low angle DX radiation. However, there are ways to improve performance and a few myths as well! Peter G3OJV takes you through the basics and reveals some tips and tricks.
Elevated Radials Improve Performance
https://consumer.steppir.com/wp-content/uploads/2018/11/Radial-Systems-for-Elevated-and-Ground-Mounted-Antennas-2.2-12_2018.pdf
Improve the Matching of your Antenna by changing the Radiator Length
https://www.qsl.net/kk4obi/Elevated%20Radials.html
Hustler Vertical Antennas
https://www.hamradiostore.co.uk/?s=Hustler+Verticals&post_type=product&type_aws=true&aws_id=1&aws_filter=1