propagation conditions

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propagation conditions

13 links

Propagation : Beginner's Guide

  • Making Sense of Solar Indices - Undesrtanding three band conditions indicators to undestand current and future propagation conditions, solar flux, Ap and Kp indices
    [ Hits: 151 | Votes: 0 | Rating: 0 ]
  • Mastering HF Communication: Decoding Space Weather Data  new - The article enlightens radio amateurs on utilizing real-time space weather data to optimize HF communication. Navigating through Hp30 index, MUF, f0F2, and eSFI metrics, it explains their significance in band selection and propagation forecasting. With essential links and practical insights, enthusiasts learn to discern optimal conditions for high-band DX, low-band DX, and NVIS operations. The author's observations and antenna optimization tips enrich understanding for effective HF operations.
    [ Hits: 59 | Votes: 0 | Rating: 0 ]
Propagation : NVIS Propagation
  • HF Radio Propagation Forecast  updated - This page offers radio amateurs (experienced and beginners) a useful overview and tutorials on HF propagation conditions. Here you will find basic and advanced explanations, as well as practical methods, charts, maps, models, real-time measurements, assessments, comparisons, references, and an index.
    [ Hits: 353 | Votes: 16 | Rating: 8.56 ]
Propagation : Propagation Forecast
  • On-Line HF Propagation Prediction - *One single page* gives you an immediate overview of current shortwave propagation conditions at your location.
    [ Hits: 14230 | Votes: 215 | Rating: 7.72 ]
  • IPS - HF Systems MUF maps and prediction charts - These pages provide general propagation advice for HF communicators. Information available includes inferred global propagation conditions, real time HF fadeout coverage charts, regional ionospheric vertical MUF maps and Hourly Area Prediction charts for Astralia and Asia, Europe and North America
    [ Hits: 4955 | Votes: 17 | Rating: 5.83 ]
  • Using the QST propagation charts - Notes on using the QST propagation charts to determine propagation conditions
    [ Hits: 809 | Votes: 0 | Rating: 0 ]
Propagation : Resources
  • HF Propagational Resources - Create Online Maps, Check Forcasts and Conditions, more features being added each month, by hfradio.org
    [ Hits: 7075 | Votes: 177 | Rating: 8.66 ]
  • 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: 852 | Votes: 1 | Rating: 10 ]
  • Propagation on 630 Meters and 2200 Meters - This is a theoretical look at propagation on 630-Meters and 2200-Meters using ray tracing software. It expands on the brief discussion in the ARRL Handbooks. The Earth's magnetic field affects 630-Meter and 2200-Meter band propagation. Lower ionization reduces absorption, aiding low-frequency propagation. Differences exist between bands, limited daytime sky-wave propagation. Sunrise/sunset show promise, yet mechanisms are unclear. Ducting possible at night in specific conditions. Negative ions enhance propagation. Inefficient antennas and high man-made noise are anticipated. Groundwave propagation is significant on 2200-Meters.
    [ Hits: 36 | Votes: 1 | Rating: 10 ]
Software : Propagation
  • DX ToolBox - DX Toolbox searches the web for you, gathering information on solar and geomagnetic conditions that affect radio propagation. It's ideal for the ham radio operator, shortwave listener, or other radio enthusiast.
    [ Hits: 7141 | Votes: 6 | Rating: 7.83 ]
  • WaveGuide - Real-time HF propagation conditions for iOS. WaveGuide ia a ham radio utility for determining HF propagation conditions at the touch of a finger.
    [ Hits: 911 | Votes: 0 | Rating: 0 ]
  • Proplab-Pro - Ray-trace radio signals through a realistic three-dimensional ionosphere using Proplab-Pro. This software has been used by the military, researchers, universities and amateur radio operators around the world to assist in determining radio propagation conditions and radio signal behavior. It is one of the most respected and well established software packages for radio engineers and enthusiasts, being actively updated for over 28 years.
    [ Hits: 167 | Votes: 0 | Rating: 0 ]
Technical Reference : Filters
  • Variable bandwidth cw filter - As the sunspots return and DX propagation conditions to improve, the age old problem with QRM begins to show up on the amateur bands. Thif filter help you on improving reception
    [ Hits: 1150 | Votes: 3 | Rating: 4.33 ]

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