Propagation
Radio wave propagation links for amateur radio
Site Listings
Popagation studies committee
What is Radio Propagation - RF propagation
A & K Graph by WN6K
A and K index in propagation
Amateur Chirp Project
Amateur Radio Propagation RSS (XML) Live Feed
Amateur Radio Propagation Studies
An Introduction to HF Propagation
Analyzing UHF signals using FFT programs
Basics of Propagation by ON4SKY
Basics of Radio Wave Propagation
Check DX Propagation with Beacons
CT1BOH Solar Page
DX.QSL.NET Propagation
Electromagnetic Wave Propagation by Conduction
G7IZU Radio Reflection Detection Page
Google Earth 4-D Inonosphere
Greyline propagation
Ground Wave Propagation
Ground Wave Signal Propagation
Guide to Solar Activity for QRPer
Here Comes the Sun - Propagation and Sun
HF - VHF Radiowave Propagation Center
HF Propagation and the Ionosphere
HF Propagation Primer
HF Propagational Resources
HF Radio wave propagation
Introduction to VHF Propagation
Ionosphere Web Site
Ionospheric T Index
Is HF propagation reciprocal
KN4LF LF/MF/HF Radio Propagation Theory Notes
Long Path Propagation
N0NBH Solar Terrestrial Data
PA1SIX six meter propagation
Propagation and the Atmosphere
Propagation eAlert Service
Propagation Forecast by AD5Q
Propagation on 137 kHz
Propagation on 630 Meters and 2200 Meters
Proppy HF Circuit Prediction: Space Weather
Questions on VHF Propagation
Radio Propagation
Radio Reflection Detection website
Radio Signal Path Loss
Radiowave Propagation Center
Short Wave Propagation
Small Antennas for High Frequencies
Space weather impacts on Climate
Space Weather Woman
Stanford Solar Center
The 160-Meter Band: An Enigma Shrouded in Mystery
The DXrobot - Spots e-skip and aurora alerts
The ionosphere at VHF
The PropNET Project
Troposcatter propagation
Tropospheric Ducting
Tropospheric Ducting Forecast
Tropospheric propagation
Understanding propagation numbers
Understanding Solar Indices
Unpredictable Aspects of 160 meter Propagation
Using PSK Reporter as Propagation Tool
VHF APRS Propagation Map
VOACAP Quick Guide
Watching Propagation with FT8 Spots
Waveguide basics tutorial
What the numbers mean in propagation
What to Expect at Solar Minimum
Why AM Listening is Better at Night
WM7D Solar Resources
This page is about the RSGB s Propagation Studies Committee its work services and current ...
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| Votes: 2 | Rating: 3.5
Discover the key facts about what radio propagation is the different types available and how ...
By: Ian Poole
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| Votes: 1 | Rating: 10
Latest solar charts by WN6K, wit A & K Indexes.
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The understanding of the A and K indexes will become a very important issue when ...
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| Votes: 2 | Rating: 4.5
Amateur projects to investigate radiowave propagation G3PLX s chirp project ionosonde database and more ...
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Live space weather and propagation data, in RSS (XML) format.
By: Tomas Hood
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| Votes: 5 | Rating: 2.6
Amateur radio propagation studies science research engineering operating and the BeamFinder propagation analysis software ...
By: Volker
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| Votes: 11 | Rating: 8
This article is designed to be an introduction to the terms and basic mechanics of ...
By: G4UCJ
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| Votes: 3 | Rating: 7
With spectrum analysis of beacon signals it s possible to see features relating to various ...
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| Votes: 1 | Rating: 10
Thierry LOMBRY ON4SKY develops in several long articles the bascis of propagation His website includes ...
By: Thierry LOMBRY, ON4SKY
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| Votes: 1 | Rating: 10
Exaustive introduction to radio wave propagation includes a very detailed glossary on common propagation terms ...
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| Votes: 27 | Rating: 7.57
W0RW article that guide you to using beacons to determine dead bands or upcoming propagation ...
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| Votes: 3 | Rating: 4
Collection of real time solar data by CT1BOH
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This page contains dynamically updated propagation information.
By: Doug Brandon
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| Votes: 48 | Rating: 6.22
A sacrilegious re examination of current wave propagation theory and proposal of a new more ...
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Meteor Shower Aurora Sporadic E and Solar Flares detected using Radio Signal Reflection by Andy ...
By: Andy Smith
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| Votes: 6 | Rating: 8.33
Free real time Earth Space 4 D global 4 D ionosphere using Google Earth by ...
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| Votes: 5 | Rating: 7.4
About greyline propagation in HF bands
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Radio wave propagation describes how radio waves travel from one point to another classified as ...
By: BYJU
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Article on propagation basics The ground wave used for radio communications signal propagation on the ...
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Paul Harden NA5N has produced a superb guide to solar activity and HF propagation for ...
By: NA5N
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| Votes: 3 | Rating: 7
Solar activity can aid or hamper HF propagation beyond line of sight range WA1SVF and ...
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High frequecy and VHF radio propagation data solar and geomagnetic real time and historic data ...
By: Tomas Hood
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| Votes: 2 | Rating: 7.5
This page is about the Ionosphere how it was discovered what it is and what ...
By: ZL1BPU
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| Votes: 1 | Rating: 9
Flash Movie describing HF shortwave radio propagation to beginners Very helpful aid in understanding ...
By: Geoffrey Noles
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| Votes: 21 | Rating: 8.67
Create Online Maps Check Forcasts and Conditions more features being added each month by hfradio ...
By: Tomas
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| Votes: 177 | Rating: 8.66
Radiowave propagation in the medium and high frequency spectrum in DOC format
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| Votes: 3 | Rating: 3.33
Understanding basic VHF and UHF propagation, eskip, Backscatter, Meteor Scatter and more
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| Votes: 6 | Rating: 3.5
Ionospheric Data Archived at NGDC
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| Votes: 1 | Rating: 9
T index explained BY NOAA
By: INFO
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| Votes: 3 | Rating: 3
Some test circuits using the ACE HF System Simulation Visualization software about reciprocal propagation on ...
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| Votes: 1 | Rating: 7
Layman level explanations of "seemingly" mysterious LF MF and HF propagation occurrences.
By: Thomas Giella
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| Votes: 1 | Rating: 10
Long path hf radio propagation is sometimes the best path to work dx since the ...
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| Votes: 7 | Rating: 5.43
Add Solar Terrestrial data to your website by adding a simple html code to your ...
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| Votes: 18 | Rating: 7.55
F2 and TE propagation on 6 meter
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| Votes: 17 | Rating: 6.94
overview of radio signals and radiowave propagation and how different areas of the atmosphere affect ...
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| Votes: 2 | Rating: 9.5
Automatic e mail alert of propagation information Gives current solar flux Ap Kp solar wind ...
By: NW7US
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| Votes: 1 | Rating: 10
11 Years of monthly propagation reports from February 1988 to January 1999 by AD5Q ...
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| Votes: 1 | Rating: 7
Propagation in the LF-Band
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| Votes: 2 | Rating: 1
This is a theoretical look at propagation on 630 Meters and 2200 Meters using ray ...
By: K9LA
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| Votes: 1 | Rating: 10
Current space weather condition gauges with solar indices taken from the latest WWV report ...
By: James Watson
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| Votes: 2 | Rating: 9.5
A collection of ad Hoc empirical comments on VHF radio waves propagation by Pete Heins ...
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Spread Spectrum Scene. Radio Propagation notes, with downloadable files.
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Welcome to the G7IZU Radio Reflection Detection website This site provides also Live Solar Events ...
By: G7IZU
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Article about the essentials of radio signal path loss its causes and prediction and its ...
By: radio-electronics.com
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High frequecy and VHF radio propagation data solar and geomagnetic real time and historic data ...
By: Robert Brown
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| Votes: 1 | Rating: 10
Introduction to shortwave propagation
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This is about Small Antenna types and their properties which can help choosing proper antenna ...
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| Votes: 2 | Rating: 6
About impacts of solar weather changes including effects of the solar cycle on weather on ...
By: NOAA
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| Votes: 1 | Rating: 6
Website dedicated to weekly space weather forecast and updates on current solar activity Dr Skov ...
By: Tamitha Skov
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| Votes: 1 | Rating: 10
Providing solar on-line activity resources for the joy of solar science exploration
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Lights on why 160 meters is so unpredictable and what is being done to reveal ...
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| Votes: 1 | Rating: 9
Automatic e skip and aurora alerts via email or SMS it sends also latest dxspots ...
By: Allard PE1NWL
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| Votes: 5 | Rating: 9.4
Influence of the ionosphere on the EME signals by EAVQ
By: EA6VQ
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PropNET is an ad hoc 2 way and potentially more way RF based digital communication ...
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Introduction to troposcatter or tropospheric scatter propagation using the troposphere
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In the spring and during certain climatic events radio waves can travel long distances due ...
By: ProAudio Eng
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William Hepburn's Daily Tropospheric Ducting Forecast.
By: David Pollard, N5IT
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| Votes: 29 | Rating: 7.67
Article about tropospheric propagation and the way in which radio signals at VHF and above ...
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Quick reference table on understanding A K SFI indexes and how can be translated in ...
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| Votes: 4 | Rating: 10
Solar Flux, Geomagnetic Activity indexes and interpreting their relation
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| Votes: 1 | Rating: 10
Come learn why it is very difficult to predict propagation on the top band Ionospheric ...
By: NM7M
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PSK Reporter is a powerful tool for monitoring your FT8 JT65 or PSK signals around ...
By: K8ZT
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| Votes: 1 | Rating: 8
VHF Based on realtime APRS reports This map shows real time radio propagation from stations ...
By: APRS
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A Quick Guide to using VOACAP Point to Point High Frequency Ionospheric Communications Analysis and ...
By: OH6BG
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| Votes: 7 | Rating: 4.71
Monitoring propagarion during the day using FT8 reception reprts to determine openings and quality of ...
By: M1GEO
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Summary tutorial about the basics of what is a waveguide and the basic waveguide theory ...
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| Votes: 1 | Rating: 8
What the Numbers Mean and Propagation Predictions a brief introduction to propagation and the major ...
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Article on operating aids and band usage during solar minimun periods Author tries to explain ...
By: K9LA
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| Votes: 1 | Rating: 1
A nice article expleraing why during the sunset it s possible to listen to long ...
By: C. Crane
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| Votes: 1 | Rating: 10
Solar Flux reports Current Alerts and Warnings from NOAA 27 day forcast from NOAA charts ...
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| Votes: 17 | Rating: 8.7