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Radio wave propagation links for amateur radio
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- DX.QSL.NET Propagation
- This page contains dynamically updated propagation information.
- Antennas and Propagation
- The most important element in a radio circuit is the antenna. You may have a powerful transmitter and a frequency, but without the correct antenna, communication will be less than desirable, if not impossible.
This subcourse provides information necessary to make the right choice for an antenna and how to select the correct frequency depending upon the environmental conditions.
Without an understanding of wave propagation, decisions on frequency selection and antennas could result in no communications.
- Basics of Radio Wave Propagation
- Exaustive introduction to radio wave propagation, includes a very detailed glossary on common propagation terms, composed by AE4TM.
- On-Line HF Propagation Prediction
- *One single page* gives you an immediate overview of current shortwave propagation conditions at your location.
- Propagation Prediction Tool
- This is a propagation prediction program tailored to the serious contester
- Radio-Wave Propagation
- KC¤DMH radio wave propagation notes with illustrations
- Introduction to HF propagation
- An Introduction to High Frequency Radio Propagation by IPS Radio & Space Service
- Introduction to VHF Propagation
- Understanding basic VHF and UHF propagation, eskip, Backscatter, Meteor Scatter and more
- Radio Propagation
- Spread Spectrum Scene. Radio Propagation notes, with downloadable files.
- WM7D Solar Resources
- Solar Flux reports, Current Alerts and Warnings from NOAA, 27 day forcast from NOAA, charts reflecting the past 7 years Solar cycle summary charts from NOAA
- High Frequency Propagation Models
- Institute for Telecommunication Sciences High Frequency Propagation Models
- ARRL Propagation Forecast Bulletins
- Monthly propagation forecasts
- PA1SIX six meter propagation
- F2 and TE propagation on 6 meter
- 10 Meter Beacon List
- An updated list of beacons transmitting on 10 meters band compiled by WJ5O
Alphabetical
- 10 Meter Beacon List
- An updated list of beacons transmitting on 10 meters band compiled by WJ5O
[Hits: 1203 | Votes: 7 | Rating: 5.28] - 2005 KN4LF Daily LF/MF/HF Radio Propagation Outlook
- A daily LF/MF/HF radio propagation forecast.
[Hits: 355 | Votes: 0 | Rating: 0.00] - A & K Graph by WN6K
- Latest solar charts by WN6K, wit A & K Indexes.
[Hits: 522 | Votes: 0 | Rating: 0.00] - Amateur Radio Propagation RSS (XML) Live Feed
- Live space weather and propagation data, in RSS (XML) format.
[Hits: 604 | Votes: 2 | Rating: 1.50] - Amateur Radio Propagation Studies
- Amateur radio propagation studies (science, research, engineering, operating) and the BeamFinder propagation analysis software
[Hits: 640 | Votes: 11 | Rating: 8.00] - Antennas and Propagation
- The most important element in a radio circuit is the antenna. You may have a powerful transmitter and a frequency, but without the correct antenna, communication will be less than desirable, if not impossible.
This subcourse provides information necessary to make the right choice for an antenna and how to select the correct frequency depending upon the environmental conditions.
Without an understanding of wave propagation, decisions on frequency selection and antennas could result in no communications.
[Hits: 3504 | Votes: 15 | Rating: 7.33] - ARRL Propagation Forecast Bulletins
- Monthly propagation forecasts
[Hits: 1311 | Votes: 0 | Rating: 0.00] - Basics of Propagation by ON4SKY
- Thierry LOMBRY, ON4SKY, develops in several long articles the bascis of propagation. His website includes also a French section dealing with auroras.
[Hits: 522 | Votes: 0 | Rating: 0.00] - Basics of Radio Wave Propagation
- Exaustive introduction to radio wave propagation, includes a very detailed glossary on common propagation terms, composed by AE4TM.
[Hits: 2950 | Votes: 25 | Rating: 7.89] - Current Solar Data
- X-Ray and electron Flux, Magnetometer, Estimated Kp Index, GOES 8 Proton Flux, geomagnetic info
[Hits: 900 | Votes: 1 | Rating: 1.00] - DX.QSL.NET Propagation
- This page contains dynamically updated propagation information.
[Hits: 4821 | Votes: 26 | Rating: 7.27] - E-layer & Sporadic-E
- Two modes of propagation at 50MHz E-layer & Sporadic-E by Ken G4IGO
[Hits: 613 | Votes: 1 | Rating: 10.00] - F5LEN Solar forecast
- Display solar activity forecast for next 27 days, diplat A-index and Flux
[Hits: 398 | Votes: 0 | Rating: 0.00] - Guide to Solar Activity
- Paul Harden NA5N has produced a superb guide to solar activity and HF propagation for the QRPer
[Hits: 157 | Votes: 1 | Rating: 5.00] - HF - VHF Radiowave Propagation Center
- High frequecy and VHF radio propagation data, solar and geomagnetic real-time and historic data, as well as forecasts. A comprehensive propagation resource compiled by Tomas Hood, editor of the propagation columns of CQ, CQ VHF, Popular Communications, and Monitoring Times magazines. Solar Weather, Geomagnetic, Aurora, Ionospheric reports via eAlerts and webpage. WAP phone access. Live and educational resources, and more.
[Hits: 567 | Votes: 1 | Rating: 10.00] - HF Propagation Primer
- Flash Movie describing HF (shortwave) radio propagation to beginners. Very helpful aid in understanding.
[Hits: 937 | Votes: 20 | Rating: 8.70] - HF Radio wave propagation
- Radiowave propagation in the medium and high frequency spectrum in DOC format
[Hits: 395 | Votes: 3 | Rating: 3.33] - High Frequency Propagation Models
- Institute for Telecommunication Sciences High Frequency Propagation Models
[Hits: 1343 | Votes: 7 | Rating: 5.00] - How to use geophysical alert broadcasts
- User's Guide is primarily based on information made available by the United States National Oceanic and Atmospheric Administration's Space Environment Services Center in Boulder, Colorado.
[Hits: 385 | Votes: 0 | Rating: 0.00] - Introduction to HF propagation
- An Introduction to High Frequency Radio Propagation by IPS Radio & Space Service
[Hits: 1582 | Votes: 3 | Rating: 7.67] - Introduction to VHF Propagation
- Understanding basic VHF and UHF propagation, eskip, Backscatter, Meteor Scatter and more
[Hits: 1439 | Votes: 6 | Rating: 3.50] - Ionosphere Web Site
- Ionospheric Data Archived at NGDC
[Hits: 477 | Votes: 0 | Rating: 0.00] - Ionospheric T Index
- T index explained BY NOAA
[Hits: 272 | Votes: 1 | Rating: 3.00] - Is HF propagation reciprocal
- Some test circuits using the ACE-HF System Simulation & Visualization software, about reciprocal propagation on HF bands by NW7US
[Hits: 65 | Votes: 1 | Rating: 7.00] - KN4LF Daily Solar Space Weather & Geomagnetic Data Archive
- An archive of daily solar, space weather & geomagnetic data.
[Hits: 331 | Votes: 1 | Rating: 5.00] - KN4LF LF/MF/HF Radio Propagation Theory Notes
- Layman level explanations of "seemingly" mysterious LF MF and HF propagation occurrences.
[Hits: 316 | Votes: 1 | Rating: 10.00] - Live DX Path Maps
- Live Ham radio contatcts map. Display curent contacts taken from amateur radio dx cluster into a world wide graphical map. Offer interface with google earth too
[Hits: 669 | Votes: 5 | Rating: 8.40] - Long Path Propagation
- Long path hf radio propagation is sometimes the best path to work dx, since the shortest path is not always the best path.
[Hits: 436 | Votes: 0 | Rating: 0.00] - Map of solar zenith angles
- Global map of Solar Zenith Angles, or angles indicating the elevation of the sun above the horizon
[Hits: 628 | Votes: 4 | Rating: 5.25] - Monthly solar flux values
- K.Schatten's table of predicted monthly solar flux values
[Hits: 346 | Votes: 6 | Rating: 7.17] - NCDXF/IARU International Beacon Network
- The NCDXF, in cooperation with the IARU, maintains a network of beacon stations which operate sequentially on five bands.
[Hits: 374 | Votes: 0 | Rating: 0.00] - NVIS Near-vertical incidence sky-wave
- Concept of Near-Vertical Incidence Sky-Wave Radiation
[Hits: 370 | Votes: 1 | Rating: 7.00] - On-Line HF Propagation Prediction
- *One single page* gives you an immediate overview of current shortwave propagation conditions at your location.
[Hits: 2740 | Votes: 134 | Rating: 8.07] - PA1SIX six meter propagation
- F2 and TE propagation on 6 meter
[Hits: 1258 | Votes: 12 | Rating: 8.42] - Popagation studies committee
Priority listing
- This page is about the RSGB's Propagation Studies Committee, its work, services and current projects, together with guides to where to find more about matters relating to propagation on the Internet at all levels from introductory to professional. Watch this space!
[Hits: 557 | Votes: 2 | Rating: 3.50] - Propagation below 10 MHz
- About the band behaviour or propagation towards distant locations by SM6EHY
[Hits: 432 | Votes: 2 | Rating: 5.00] - Propagation eAlert Service
- Automatic e-mail alert of propagation information. Gives current solar flux, Ap, Kp, solar wind information, solar and geomagnetic conditions past and forecast, sunspots, aurora index, and more.
[Hits: 360 | Votes: 1 | Rating: 10.00] - Propagation Forecast by AD5Q
- Montly propagation forrecast service by AD5Q
[Hits: 404 | Votes: 1 | Rating: 7.00] - Propagation Prediction Tool
- This is a propagation prediction program tailored to the serious contester
[Hits: 2010 | Votes: 2 | Rating: 4.00] - Propagation Reports
- Latest WWV propagation Reports, Updated Every 3 Hours
[Hits: 618 | Votes: 1 | Rating: 5.00] - Radio Propagation
- Spread Spectrum Scene. Radio Propagation notes, with downloadable files.
[Hits: 1405 | Votes: 0 | Rating: 0.00] - Radio Sport Canada Zone to Zone propagation
- ZoneProp produces a 40 zone by 40 zone matrix that is updated hourly at approximately 20 minutes past the hour. The intersection between a row and column gives the band on which a constestant in the zone represented by the row is mostly likely able to contact an contestant in the zone represented by the column.
[Hits: 209 | Votes: 3 | Rating: 8.00] - Radio-Communications Theory
[Hits: 233 | Votes: 1 | Rating: 2.00] - Radio-Wave Propagation
- KC¤DMH radio wave propagation notes with illustrations
[Hits: 1598 | Votes: 5 | Rating: 5.60] - Real-Time Space Weather
- Great propagation resources page assembled by David Rosenthal, N6TST
[Hits: 82 | Votes: 0 | Rating: 0.00] - Shortwave Propagation
- Description of shortwave propagation on shortwaves, refers to those wavelengths which occur with frequencies from about 3 to 30 mHz, or 100 to 10 meters
[Hits: 524 | Votes: 1 | Rating: 10.00] - Solar cycles 21, 22 and 23
- Graphics representing solar cycles 21-23 maintained by Jan Alvestad
[Hits: 382 | Votes: 3 | Rating: 6.00] - Solar Flux report
- The latest flux report from louisxiv Canada
[Hits: 434 | Votes: 0 | Rating: 0.00] - Solar Glossary
- Glossary of solar and terrestrial terms, by the Space Environment Center
[Hits: 230 | Votes: 0 | Rating: 0.00] - Sporadic E
- VGF propagation and sporadic E notes
[Hits: 286 | Votes: 1 | Rating: 9.00] - Sporadic E
- Informations and graphs about Spordadic E and F.A.I. (Field-Aligned Irregularities)
[Hits: 274 | Votes: 0 | Rating: 0.00] - Sporadic E propogation
Priority listing
- Sporadic E notes with reference to ten meters FM by g4xgt
[Hits: 349 | Votes: 1 | Rating: 10.00] - Sporadic-E
- Short notes about sporadic E influence on VHF propagation
[Hits: 300 | Votes: 0 | Rating: 0.00] - Sporadic-E propagation at VHF
- This review of progress and future Prospects provides a practical guide for effective use of VHF sporadic-E propagation. By Emil Pocock, W3EP.
[Hits: 32 | Votes: 0 | Rating: 0.00] - Stanford Solar Center
- Providing solar on-line activity resources for the joy of solar science exploration
[Hits: 212 | Votes: 0 | Rating: 0.00] - Sunrise, Sunset, Moonrise, Moonset, and Twilight Report
- U.S. Naval Observatory, Sunrise, Sunset, Moonrise, Moonset, and Twilight ,Moon Illumination, Positions of the Sun and Moon , Eclipses
[Hits: 710 | Votes: 4 | Rating: 8.00] - Sunspot answer book
- Mr Sunspot's Answer Book National Solar Observatory Sacramento.
[Hits: 259 | Votes: 0 | Rating: 0.00] - The 160-Meter Band: An Enigma Shrouded in Mystery
- Lights on why 160 meters is so unpredictable and what’s being done to reveal its secrets
[Hits: 115 | Votes: 1 | Rating: 9.00] - The DXrobot - Spots e-skip and aurora alerts
- Automatic e-skip and aurora alerts via email or SMS, it sends also latest dxspots via email.
[Hits: 1035 | Votes: 2 | Rating: 8.50] - The ionosphere at VHF
- Influence of the ionosphere on the EME signals by EAVQ
[Hits: 325 | Votes: 0 | Rating: 0.00] - Topband - 160 meter Radio Propagation
- Here you will find a variety of tools which will hopefully help you improve your chances of succeeding at Topband (160 meter) DX.
[Hits: 274 | Votes: 0 | Rating: 0.00] - Tropospheric Ducting Forecast
- William Hepburn's Daily Tropospheric Ducting Forecast.
[Hits: 941 | Votes: 5 | Rating: 8.40] - Understanding Solar Indices
- By Ken Larson KJ6RZ, a complete guide to understanding soloar indices and values.
[Hits: 506 | Votes: 3 | Rating: 9.67] - VA2MGL Beacon and Propagation
- Info and specifications on my three beacons on 10 and 6 meter bands. You will find also informations on the propagation for these two band.
[Hits: 333 | Votes: 1 | Rating: 10.00] - VE3BMV Conductive Propagation Theory
- Electromagnetic wave propagation by conduction
an innovative theory based on fiber optic analogy
[Hits: 211 | Votes: 0 | Rating: 0.00] - VHF UHF Microwave Radio Propagation
- Notes on radio propagation in that part of the spectrum (upper VHF to microwave) used by experimenters for high-speed digital transmission
[Hits: 885 | Votes: 8 | Rating: 6.38] - VK2KRR DUCT Info
- Tropospheric Ducting information that has been researched at Station VK2KRR.
[Hits: 185 | Votes: 1 | Rating: 10.00] - VOACAP Quick Guide
- A Quick Guide to using VOACAP - Point-to-Point High-Frequency Ionospheric Communications Analysis and Prediction Program
[Hits: 315 | Votes: 6 | Rating: 4.00] - W1AW Propagation Bulletins
- W1AW Propagation Bulletins for 2001
[Hits: 333 | Votes: 2 | Rating: 3.50] - WM7D Solar Resources
- Solar Flux reports, Current Alerts and Warnings from NOAA, 27 day forcast from NOAA, charts reflecting the past 7 years Solar cycle summary charts from NOAA
[Hits: 1387 | Votes: 12 | Rating: 8.16] - World Time - Sunset
- With this online tool you can show in real time zones of the world currently having sunset
[Hits: 118 | Votes: 1 | Rating: 1.00] - WWV -- SEC's Geophysical Alert Message
- WWv explained. Document explaining the Geophysical Alert Message file format available on the web, and the SEC Geophysical Alert description
[Hits: 167 | Votes: 0 | Rating: 0.00] - WWV -- SEC's Geophysical Alert Message
- Understanding the SEC Geophysical Alert Message
"WWV Broadcast"
[Hits: 96 | Votes: 0 | Rating: 0.00]
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