prop

350 links - and 8 categories

Guanella 4:1 balun
This article reviews the proposition that a 4 1 current balun in the style of ...

[ Hits: 3113 | Votes: 2 | Rating: 5.5 ]

Microvert antennas by DL7PE - DL7PE
Progress in Design of Extremely Short Transmitting Antennas Short and still efficient how is that ...

[ Hits: 1960 | Votes: 5 | Rating: 7.5 ]

Antenna Matching Coil Adjustment Procedure
Without this basic knowledge addressing antenna problems RFI problems and matching problems results in a ...

[ Hits: 2678 | Votes: 4 | Rating: 4 ]

Errante's capacitive RF Grounding - Francesco Errante
This system demonstrates that no galvanic coupling to earth is needed for a proper RF ...

[ Hits: 492 | Votes: 1 | Rating: 10 ]

The Optimum 6 Element Yagi-Antenna
A 70cm and 2m 6 elements yagi antenna plan based on the IEEE Transactions on ...

[ Hits: 1422 | Votes: 2 | Rating: 4.5 ]

Megawave
MegaWave Corporation s goal is to provide services and products of the highest quality to ...

[ Hits: 375 | Votes: 0 | Rating: 0 ]

VHF Propagation Maps
Experimental maps that show real time VHF propagation derived from analyzing data gathered from the ...

[ Hits: 4267 | Votes: 45 | Rating: 3.61 ]

Analyzing UHF signals using FFT programs
With spectrum analysis of beacon signals it s possible to see features relating to various ...

[ Hits: 785 | Votes: 0 | Rating: 0 ]

Using Olivia MFSK
Short description of the olivia mfsk mode and explanation of how to use olivia mode ...

[ Hits: 723 | Votes: 2 | Rating: 5 ]

WM5R Long Delayed Echoes
WM5R presentation of Introduction to Long-delaye echoes and theories among this propagation effect.

[ Hits: 302 | Votes: 0 | Rating: 0 ]

Radiowave Propagation Center - Robert Brown
High frequecy and VHF radio propagation data solar and geomagnetic real time and historic data ...

[ Hits: 444 | Votes: 1 | Rating: 10 ]
Here Comes the Sun - Propagation and Sun
Solar activity can aid or hamper HF propagation beyond line of sight range WA1SVF and ...

[ Hits: 583 | Votes: 0 | Rating: 0 ]
The PropNET Project
PropNET is an ad hoc 2 way and potentially more way RF based digital communication ...

[ Hits: 368 | Votes: 0 | Rating: 0 ]

Sporadic E propagation
About Sporadic E propagation at wikipedia

[ Hits: 443 | Votes: 0 | Rating: 0 ]
Sporatic-E on 10 meters band
Understanding 10 Meter sporatic-e propagation by James R. Duffey

[ Hits: 462 | Votes: 0 | Rating: 0 ]

W3DHJ - lunix utilities for Radio Amateurs - Jonesy W3DHJ
A small collection of bash scripts for pulling QTH info grid square info propagation charts ...

[ Hits: 665 | Votes: 4 | Rating: 9.5 ]
VOACAP for Linux - James Watson
Port of the popular VOACAP program HF propagation prediction tool It may be compiled using ...

[ Hits: 686 | Votes: 2 | Rating: 5.5 ]

WSPR
WSPR implements a protocol designed for probing potential propagation paths with low power transmissions Stations ...

[ Hits: 1733 | Votes: 3 | Rating: 9.33 ]
VOAProp
VOAProp shows you typical propagation for a given hour of the day during a given ...

[ Hits: 1910 | Votes: 5 | Rating: 8 ]
pythonProp
pythonProp is a collection of Python scripts designed to plot files produced by VOACAP The ...

[ Hits: 738 | Votes: 2 | Rating: 9.5 ]