![Why does an HF "monopole" need dozens and dozens of radials while a VHF/UHF "ground plane" antenna only needs four? - Amateur Radio Stack Exchange Why does an HF "monopole" need dozens and dozens of radials while a VHF/UHF "ground plane" antenna only needs four? - Amateur Radio Stack Exchange](https://i.stack.imgur.com/2damg.jpg)
Why does an HF "monopole" need dozens and dozens of radials while a VHF/UHF "ground plane" antenna only needs four? - Amateur Radio Stack Exchange
![HY GAIN AV-640 HF VERTICAL, 8 BANDS-40/30/20/17/15/12/10/6M – Com-Centre Communiction Equipment Limited HY GAIN AV-640 HF VERTICAL, 8 BANDS-40/30/20/17/15/12/10/6M – Com-Centre Communiction Equipment Limited](https://comcentre.co.nz/wp-content/uploads/2015/05/AV620.jpg)
HY GAIN AV-640 HF VERTICAL, 8 BANDS-40/30/20/17/15/12/10/6M – Com-Centre Communiction Equipment Limited
![Amazon.com: GOOZEEZOO JPC-7 HF Antennas for Ham Radio with Slide Regulator 7MHz-50MHz All Band Hf Vertical Antenna 100W for Outdoor/Balcony/Trip : Electronics Amazon.com: GOOZEEZOO JPC-7 HF Antennas for Ham Radio with Slide Regulator 7MHz-50MHz All Band Hf Vertical Antenna 100W for Outdoor/Balcony/Trip : Electronics](https://m.media-amazon.com/images/I/61J-m7ZSTdL._AC_UF350,350_QL80_.jpg)