propagation238 links - and 6 categories
Antennas : VHF UHF
- The Optimum 6 Element Yagi-Antenna
- A 70cm and 2m 6 elements yagi antenna plan based on the IEEE Transactions on Antennas and Propagation
[ Hits: 1280 | Votes: 2 | Rating: 4.50 ]
- MegaWave Corporation's goal is to provide services and products of the highest quality to its many customers in the areas of antenna design and development, and radiowave propagation.
[ Hits: 284 | Votes: 0 | Rating: 0.00 ]
- Propagation Planning for DXpeditions
- 6 Steps for a More Successful Trip by Carl Luetzelschwab K9LA
[ Hits: 507 | Votes: 1 | Rating: 10.00 ]
- VHF Propagation Maps
- Experimental maps that show real-time VHF propagation derived from analyzing data gathered from the APRS-IS network.
[ Hits: 3241 | Votes: 37 | Rating: 4.07 ]
- Analyzing UHF signals using FFT programs
- With spectrum analysis of beacon signals, it's possible to see features relating to various propagation phenomonen.
[ Hits: 629 | Votes: 0 | Rating: 0.00 ]
- Meteor scatter or meteor burst communications
- A summary, overview or tutorial covering the basics of Meteor Scatter or Meteor Burst Communications, a form of radio signal propagation often used at VHF.
[ Hits: 291 | Votes: 0 | Rating: 0.00 ]
- RF Skywave Propagation
- Excellent presentation on RF skywave propagation by Greg, N6LYU
[ Hits: 987 | Votes: 4 | Rating: 2.50 ]
- An introduction to HF Propagation
- This article will help to unravel some of the mysteries as well as giving useful operating tips to maximize your chances of working that rare station by G4UCJ
[ Hits: 1093 | Votes: 5 | Rating: 8.20 ]
- WM5R Long Delayed Echoes
- WM5R presentation of Introduction to Long-delaye echoes and theories among this propagation effect.
[ Hits: 190 | Votes: 0 | Rating: 0.00 ]
- VOACAP Online
- Online professional-grade high-frequency (3-30 MHz) propagation predictions
[ Hits: 1450 | Votes: 3 | Rating: 7.00 ]
- Radiowave Propagation Center
- High frequecy 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 Hood, editor of the propagation columns of CQ, CQ VHF, Popular Communications, and Monitoring Times magazines.
[ Hits: 312 | Votes: 1 | Rating: 10.00 ]
- Here Comes the Sun - Propagation and Sun
- Solar activity can aid or hamper HF propagation beyond line-of-sight range, WA1SVF and N6BV answers to questions about Sun influence on radio signals propagation
[ Hits: 375 | Votes: 0 | Rating: 0.00 ]
- Propagation and the Atmosphere
- overview of radio signals and radiowave propagation and how different areas of the atmosphere affect radio communications.
[ Hits: 219 | Votes: 2 | Rating: 9.50 ]
- Sporatic-E on 10 meters band
- Understanding 10 Meter sporatic-e propagation by James R. Duffey
[ Hits: 360 | Votes: 0 | Rating: 0.00 ]
- Radio Works
- RadioWORKS is a tool for calculating various items related to radio waves and radio wave propagation. Get detailed information about a frequency, such as the free-space wavelength, band classification, propagation methods, common transmitter configurations, etc. Calculate antenna lengths or frequencies. View a 3D coverage map by providing a latitude / longitude coordinate and transmitter height.
[ Hits: 2583 | Votes: 4 | Rating: 4.75 ]
- WSJT facilitates basic digital EME communication using protocols like FSK441, JT6M, JT65,JT2, JT4, WSPR explicitly optimized for a number of different propagation modes by K1JT
[ Hits: 2482 | Votes: 4 | Rating: 5.50 ]
- W3DHJ - lunix utilities for Radio Amateurs
- A small collection of bash scripts for pulling QTH info, grid square info, propagation charts, and monitoring prop logger postings.
[ Hits: 396 | Votes: 3 | Rating: 9.33 ]
- VOACAP for Linux
- Port of the popular VOACAP program, HF propagation prediction tool. It may be compiled using the GCC GFortran compiler
[ Hits: 404 | Votes: 1 | Rating: 10.00 ]
- WSPR implements a protocol designed for probing potential propagation paths with low-power transmissions. Stations with internet access can automatically upload their reception reports to a central db
[ Hits: 1376 | Votes: 3 | Rating: 9.33 ]
- VOAProp shows you typical propagation for a given hour of the day during a given month. The propagation is shown as expected signal strengths to be received from different parts of the world, plotted on a world map. Windows freeware by G4ILO
[ Hits: 1600 | Votes: 4 | Rating: 7.75 ]
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