uhf base antenna

What rooftop antenna models work nicely for VHF and UHF low? Any suggestions for ways to elevate the antenna signifigantly higher than my roof? Thanks

Hi, Has anybody used ZDA Communications or Antennex antennas? I'm considering one of the following in the link, as they are light weight and affordable. I'd appreciate your feedback. 400 MHz omnidirectional antenna series | 406-430 MHz Laird Technologies FG4205 420-430MHz 5dB Fiberglass Omni...