[HN Gopher] More information about proposed amateur TV experimen...
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More information about proposed amateur TV experiments [video]
Author : lightlyused
Score : 9 points
Date : 2021-12-08 12:46 UTC (1 days ago)
(HTM) web link (ei7gl.blogspot.com)
(TXT) w3m dump (ei7gl.blogspot.com)
| drmpeg wrote:
| Unfortunately, no amateur radio television below 420 MHz here in
| the US.
| tantalor wrote:
| Why is that unfortunate.
| drmpeg wrote:
| We won't be able to make two-way contacts with European
| stations.
| tantalor wrote:
| Why not
| drmpeg wrote:
| 420 MHz (and above) is generally line of sight
| propagation. The frequencies mentioned in the article
| (29.25 and 51.7 MHz) are able to reflect/refract off the
| ionosphere and allow much longer propagation paths.
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(page generated 2021-12-09 23:00 UTC)