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SWS - Other Topics - Introduction to H…
https://www.sws.bom.gov.au/Educational/5/2/2
High Frequency radio waves can propagate to a distant receiver ( Figure 2.1) via the: Ground wave: near the ground for short distances, up to 100 km over land and 300 km over sea. Direct or line-of-sight wave: this wave may interact with the earth-reflected wave depending on terminal separation, frequency and polarisation. Sky wave: refracted by the ionosphere to all distances. ground wave: near the ground for short distances, up to 100 km over land and 300 km over sea. ...
Ground wave: near the ground for short distances, up to 100 km over land and 300 km over sea.
Direct or line-of-sight wave: this wave may interact with the earth-reflected wave depending on terminal separation, frequency and polarisation.
Sky wave: refracted by the ionosphere to all distances.
ground wave: near the ground for short distances, up to 100 km over land and 300 km over sea. ...
DA: 97 PA: 90 MOZ Rank: 38
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Current Ham Radio Conditions - HAM Radio for Non-Techies
https://hamradiofornontechies.com/current-ham-radio-conditions/
WebCurrent Ham Radio Propagation Conditions. Below you will find charts showing the live conditions around the Earth for radio propagation as well as atmospheric conditions that can affect Ham Radio usage depending on frequency. These are great tools for HF and …
DA: 30 PA: 12 MOZ Rank: 82
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Live HF Propagation Map
https://www.qsl.net/4x4xm/Propagation/Live-HF-Propagation-Map.htm
WebThis live HF propagation map is a real-time tool that visualizes the current conditions of High-Frequency radio wave propagation across the globe. The online map provides a …
DA: 65 PA: 88 MOZ Rank: 13
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Amateur Radio -- Usable HF Propagation Frequencies & Forecast
https://www.hfpropagation.com/
WebAmateur Radio: Usable HF Frequencies (page refreshed every 20 minutes) Use the indicated color (red, yellow, green, blue, white, etc.) to determine the recommended HF …
DA: 7 PA: 84 MOZ Rank: 27
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Current HF Propagation Conditions
https://www.qsl.net/4x4xm/Propagation/Current-HF-Propagation-Conditions
WebCurrent HF Propagation Conditions. By Doron Tal, 4X4XM. There are various methods to assses the current HF propagation conditions: Track the actual band activity using DX …
DA: 32 PA: 5 MOZ Rank: 4
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HF Radio - Solar Cycle 25; Space weather, solar …
http://prop.hfradio.org/
Web2 days ago · High frequency and VHF radio propagation data, solar and geomagnetic real-time and historic data, sunspot activity reports, as well as forecasts. A comprehensive propagation resource compiled by Tomas …
DA: 99 PA: 18 MOZ Rank: 82
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Current HF Band Conditions Maps for Radio Operators
https://www.qsl.net/4x4xm/Propagation/HF-Propagation-Condition-Map.htm
WebHF Band Conditions maps are powerful tools used by amateur radio operators, shortwave listeners, and radio enthusiasts to monitor and predict the state of high-frequency (HF) …
DA: 87 PA: 45 MOZ Rank: 47
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Propagation - DX.QSL.NET
https://dx.qsl.net/propagation/propagation.html
WebPropagation. This page contains a dynamic collection of propagation information gathered from many different sources. This data is extremely useful for ham radio operators and shortwave listeners to help …
DA: 55 PA: 6 MOZ Rank: 95
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Real‑Time HF Propagation Space Weather - hamwaves.com
https://hamwaves.com/propagation/en/index.html
WebApr 4, 2024 · HF propagation prediction is a statistical science. The maximum usable frequency (MUF) is the highest frequency that, with a probability of 50% of the time, can …
DA: 65 PA: 85 MOZ Rank: 44
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HF Propagation and Solar-Terrestrial Data Website
https://www.hamqsl.com/solar.html
WebNov 8, 2023 · For current Space Weather and HF Propagation Conditions, and MUF Maps click here pdf presentation that contains tutorials and information on understanding radio …
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