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Results tagged with propagation
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user 17172
Questions about RF propagation including measurements, beacons, modes (ionospheric, tropospheric, ground wave), etc.
3
votes
3
answers
1k
views
Long range HF polarization
However in this article is specifically mentioned long range HF polarization: https://www.electronics-notes.com/articles/antennas-propagation/antenna-theory/polarisation-polarization.php …
- 131
0
votes
4
answers
405
views
Send on-off radio signal 5,000km
technical solution for 5,000 km range with short on-off signal:
what kind of wavelength can travel that far
what kind of transmitter power is required
Another question:
I understand that such long propagation …
- 131
-1
votes
1
answer
874
views
Transmit data over HF signal 10,000km away [closed]
I would like to transmit trinary data (-1,0,+1) on 20-30m wave to be received 10,000km away. From Europe to US.
My first thought was this: https://www.researchgate.net/figure/Burst-modulation-mode-f-B …
- 131