Propagation / Solar Links...

Propagation Explained - Propagation Tools

Real Time numbers & info...

  • Spaceweather.com - news and info about the Sun-Earth environment.
  • Solarcycle24 -All of your solar and aurora needs in one place !
  • Hamqsl - HF Propagation Tools and Solar Data.
  • Make more miles on VHF - the leading VHF-DX portal.
  • 50 MHz propagation logger - 50 MHz DX spots.
  • HF propagation logger - HF DX spots.
  • IPS Radio & Space Services - The Australian Space Weather Agency. Chock full of good stuff!
  • Space Weather Now - NOAA space weather prediction center.
  • Propagation/Space weather - Radio Propagation : Space Weather : Sunspot Cycle Information.
  • National Solar Observatory - GONG, Global Oscillation Network Group.
  • Propagation - This page contains a dynamic collection of propagation information gathered from many different sources.
  • SDO - Solar Dynamics Observatory
  • SOHO - Solar & Heliospheric Observatory, is a project ofinternational collaboration between ESA and NASA to study the Sun from its deep core to the outer corona and the solar wind.
  • Solar Terrestrial Dispatch - more solar data.
  • Stereo Science Center - Latest SECCHI beacon images.
  • D-Region Absorption Prediction - Real time absorption map from NOAA
  • FM & TV DXing - DX Conditions As They Happen
    OVER 1,600 FM STATIONS LOGGED!
  • Current solar images - full-resolution solar image of each type in the SDAC archive.
  • Solar and Geophysical Activity - 3 day report prepared jointly by the U.S. Dept. of Commerce, NOAA, Space Weather Prediction Center and the U.S. Air Force.
  • NOAA Space Weather Scales - The NOAA Space Weather Scales were introduced as a way to communicate to the general public the current and future space weather conditions and their possible effects on people and systems.
  • SuperDARN - An international Radar network for studying the Earth's upper atmosphere, ionosphere and connection into space.
  • Radio Line of Sight Plot Server - The form on the following page will allow you to make a request to a radio line of sight plot server. By return mail, you will receive a GIF picture of the elevation of each point on the earth between the starting point and ending point that you specify. This elevation plot is pre-warped to account for the fact that microwave radio signals don't really propagate in a straight line.
  • The solar wind - The solar wind streams off of the Sun in all directions at speeds of about 400 km/s (about 1 million miles per hour).

Back to top

 

HF, VHF & UHF Propagation explained...

Back to top

 

 

Propagation Tools & Maps...

  • Tony's 10 metre band report - G4CJC'S weekly look at activity on the 10 metre band.
  • VOACAP Online 1 - Professional-grade high-frequency (3-30 MHz) point-to-point propagation predictions.
  • VOACAP Online 2 - Professional-grade high-frequency (3-30 MHz) coverage area prediction map generator.
  • VOACAP quick guide - HF Propagation Prediction and Ionospheric Communications Analysis. Scroll down for explanations.
  • VOAProp - VOAProp shows you typical propagation for a given hour of the day during a given month.
  • Ham CAP - Freeware HF propagation prediction tool for Amateur Radio.
  • Skywave Analysis - Delivering high performance HF Communications Analysis Prediction and related software Tools for Amateur Radio - ham radio - operators and communications professionals.
  • PropView - PropView uses the included VOACAP, ICEPAC, and IONCAP propagation prediction engines to forecast the minimum and maximum useable frequencies between two locations over a specified 24 hour period. Results are rendered in an easy-to-understand color-graphic display. 
  • Radio Explorer - Radio Explorer displays shortwave radio broadcast schedules so that you can tune in to onair international stations and listen to the world around you.
  • W6ELProp - W6ELProp predicts ionospheric (sky-wave) propagation between any two locations on the earth on frequencies between 3 and 30 MHz.
  • NCDXF/IARU Beacon Network - These beacons help both amateur and commercial high-frequency radio users assess the current condition of the ionosphere.
  • W6NEK HF Beacon Tracker - To aid in identifying the NCDXF / IARU International Beacon Network.
  • BEACLOCK - a program with which radio amateurs can see which of the NCDXF beacons are transmitting at which frquency.
  • PA1ARE 's Software page - Beaconmap is a visible aid for monitoring the NCDXF/IARU Beacons
  • NCDXF/IARU - Beacon schedule in Microsoft Excel format. A free Excel viewer is available here also.
  • HF Beacons - G3USF's Worldwide List of HF Beacons.
  • BEACON LIST - TEN METER PROPAGATION BEACON LIST.
  • North American 50 Mhz Beacon Map - by K9MU - v2.0
  • 50MHz Beacons - G3USF's Worldwide List Of 50MHz Beacons.
  • VHF Propagation Maps - These experimental maps show real time vhf activity
    as reported by the APRS-IS network.
  • Tropospheric ducting forecasts - 6-DAY FORECASTS OF VHF, UHF & MICROWAVE RADIO & TV SIGNAL STRENGTH & INTERFERENCE.
  • Near-Real-Time F2-Layer Critical Frequency (foF2) Map - from IPS Radio Services.
  • Map of F2-layer critical frequencies - a recent high-resolution global map of F2-layer critical frequencies
  • Usable HF freqs - real time usable HF freq map.
  • Map of the F2-Layer Height Maximum - a recent global map indicating the altitude above the surface of the Earth where the ionospheric electron density reaches a maximum.
  • Near-Real-Time MUF Map - a recent high-resolution map of Maximum Usable Frequencies (MUFs) for 3,000 kilometer radio signal paths.
  • Dx Sherlock - QSO real time maps. EXCELLENT!
  • DXAnywhere - we developed DXA so even when out and about you can be informed of that elusive DX you need.
  • DaylightMap.com - DaylightMap shows the pattern of night and day on a Google map, for any area of the Earth, for any date and time.
  • Grey line map - Real time map. The "grey line" is a band around the Earth that separates daylight from darkness.  Propagation along the grey line is very efficient.

Back to top