rf propagation

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rf propagation

21 links

Antennas : Satellite
  • Dish antenna - Dish antenna and its theory and design for high performance applications such as satellite transmission and reception as well as microwave links. Parabolic Reflector Antenna: Dish Antenna The parabolic reflector antenna which is often called the dish antenna provides an antenna solution applicable for VHF and above where high gain and directivity are needed for all type of radio communications and radio reception.
    [ Hits: 1030 | Votes: 0 | Rating: 0 ]
Propagation : Aurora
  • 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: 1292 | Votes: 1 | Rating: 10 ]
Propagation : Propagation Forecast
  • Radio Mobile - Usage guide - This website is dedicated to Radio Mobile. Radio Mobile is software by Roger Coudé VE2DBE. The program simulates RF propagation and is for free to the amateur radio community. All you want to know about Radio Mobile can be found here.
    [ Hits: 403 | Votes: 1 | Rating: 6 ]
Propagation : Resources
  • G7IZU Radio Reflection Detection Page - Meteor Shower, Aurora, Sporadic-E and Solar Flares detected using Radio Signal Reflection, by Andy Smith, G7IZU. Live waterfall displays from three receivers, live Es propagation maps.
    [ Hits: 808 | Votes: 6 | Rating: 8.33 ]
  • What is Radio Propagation - RF propagation - Discover the key facts about what radio propagation is, the different types available and how they affect different frequencies.
    [ Hits: 198 | Votes: 1 | Rating: 10 ]
  • Radio Signal Path Loss - Article about the essentials of radio signal path loss, its causes and prediction, and its use in radio coverage and wireless survey tools
    [ Hits: 188 | Votes: 0 | Rating: 0 ]
  • Using PSK Reporter as Propagation Tool - PSK Reporter,is a powerful tool for monitoring your FT8, JT65 or PSK signals around the world. But, even if you are not transmitting on any of these modes it can still be a great propagation tool for determining which bands are open and to where in the world signals from your area are being heard.
    [ Hits: 191 | Votes: 1 | Rating: 8 ]
Propagation : Sporadic E
  • 50 MHz F2 Propagation Mechanisms - In order to understand, however imperfectly, when the band will open, it is essential to have some understanding of why the band will open. Article by J. R. Kennedy K6MIO/KH6, Gemini Observatory Hilo, Hawaii
    [ Hits: 111 | Votes: 1 | Rating: 8 ]
Shortwave Radio : SWL Resources
  • DX Activities of ONL5183 - Whith more than 20 years of ham practicen SWL Thierry LOMBRY, alias ONL5183, has written several technical pages about ham activities, including propagation, radio perturbations, radioastronomy, DXing, QSLing, ham-spirit, review of material and more. This very interesting website is completed by a large French section devoted to amateur astronomy illustrated with vivid colors pictures.
    [ Hits: 1065 | Votes: 3 | Rating: 6.33 ]
Software : Antenna analysis
  • 4NEC2 antenna modeler  pop - 4nec2 is a completely free Nec2, Nec4 and windows based tool for creating, viewing, optimizing and checking 2D and 3D style antenna geometry structures and generate, display and/or compare near/far-field radiation patterns for both the starting and experienced antenna modeler. Can be interfaced to HFwin32 propagation prediction software.
    [ Hits: 30104 | Votes: 131 | Rating: 7.32 ]
Software : Propagation
  • Radio Propagation & Diffraction Calculator - This is a radio frequency propagation calculator for the transmission path between an RF transmitter and a receiver.
    [ Hits: 23602 | Votes: 51 | Rating: 3.82 ]
  • RF prop  pop - RF propagation software
    [ Hits: 41254 | Votes: 156 | Rating: 3.78 ]
  • ACE-HF Propagation Prediction Software - ACE HF Pro, ACE HF Mobile are Radio Frequency (RF) propagation analysis tools designed for military applications. This version allows the user to analyze the entire HF spectrum using a single fixed transmitter location and multiply receive locations. Commercial version.
    [ Hits: 10042 | Votes: 33 | Rating: 6.22 ]
  • HamCAP - A freeware HF propagation prediction tool, that interface the VOACAP tool by Alex VE3NEA
    [ Hits: 10949 | Votes: 14 | Rating: 8.93 ]
  • K6TU Propagation as a Service - Get the most out of your station with K6TU.NET professional grade propagation prediction, and model your antenna performance over actual terrain using high resolution elevation data
    [ Hits: 190 | Votes: 0 | Rating: 0 ]
Software : RF Coverage Mapping
  • Radio Mobile - Radiomobile is an excellent and very detailed radio path mapping software, vhf uhf propagation predictor. This windows free software is a tool used to predict the performance of a radio system.
    [ Hits: 10593 | Votes: 40 | Rating: 8.53 ]
  • SPLAT! for Windows - This free software is useful for visualizing terrain and performing Longley-Rice path loss and coverage prediction using the Irregular Terrain Model. A Windows port of the Linux-based SPLAT by John Magliacane.
    [ Hits: 9507 | Votes: 42 | Rating: 6.48 ]
Technical Reference : Coax Cables and Connectors : Testing Coax Cables
  • RF Cable Testing - The cable testing approaches discussed in this article gives an idea about the electrical characteristics of a coaxial cable. Velocity of Propagation, Characteristics Impedance, Return Loss Measurement and more
    [ Hits: 452 | Votes: 2 | Rating: 4 ]
Technical Reference : Grounding
  • How to Ground an Antenna: aerial earthing - The antenna ground or earth system can be key to its operation whilst also being a key safety feature. This article is about grounding systems for antennas, covering different aspects of grounds made for antenna safety, or expressly for lightning or just to improve antenna performance, being ground an antenna component.
    [ Hits: 232 | Votes: 1 | Rating: 4 ]
Technical Reference : HF Radios
  • K1TTT Technical Reference - Technical reference about Accessories, Amplifiers, Antennas, Cable and Connectors, Filters, Geography, Grounding, Gunk, Matching Networks, Projects, Propagation Info Radios, RFI/EMI, Rotors, Station Setup, Towers.
    [ Hits: 5150 | Votes: 6 | Rating: 6.33 ]

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