@article {901,
	title = {Measuring height of reflection at HF},
	volume = {100},
	year = {2024},
	month = {08/2024},
	pages = {42-44},
	abstract = {<p>Sky-wave propagation at HF relies on radio waves refracted, bent downward, back to Earth. Refraction results in a curved path within the ionosphere, but a convenient simplification is to treat the path as a reflection with a sharp apex known as the virtual height.</p>
},
	url = {https://hamsci.org/sites/default/files/publications/p42_44_Reflection_Height_RSGB_RadCom_Aug24.pdf},
	author = {Griffiths, Gwyn}
}
