signal

489 links - and 11 categories

2m Slim Jim portable antenna for SOTA - VK1AD
Construct a portable 2m Slim Jim antenna for improved HT signal quality Utilizing 450 ohm ...

[ Hits: 67 | Votes: 0 | Rating: 0 ]

Airplane scattering - W3SZ
Operating on Airplane scattering Scattering of radio signals by airplanes An introduction to operating ariplane ...

[ Hits: 164 | Votes: 0 | Rating: 0 ]
Virtual Radar from a Digital TV Dongle - W9RAN
Track aircraft by reprogramming an inexpensive digital TV USB stick to receive Automatic Dependent Surveillance ...

[ Hits: 136 | Votes: 1 | Rating: 2 ]

ITU International Morse Code Recommendation - ITU
Recommendation M 1677 1 10 2009 General transmission rules Morse code signals spacing and length ...

[ Hits: 101 | Votes: 0 | Rating: 0 ]

Fundamentals of Radio Waves Propagation - VE2XIP
How radio signal get propagated throught the atmosphere the role of the ionosphere the thropospheric ...

[ Hits: 97 | Votes: 4 | Rating: 7.75 ]

VHF APRS Propagation Map - APRS
VHF Based on realtime APRS reports This map shows real time radio propagation from stations ...

[ Hits: 315 | Votes: 0 | Rating: 0 ]
Using PSK Reporter as Propagation Tool - K8ZT
PSK Reporter is a powerful tool for monitoring your FT8 JT65 or PSK signals around ...

[ Hits: 194 | Votes: 1 | Rating: 8 ]

MSF radio time signal - NPL
The MSF radio signal is a dedicated standard frequency and time broadcast that provides an ...

[ Hits: 50 | Votes: 1 | Rating: 10 ]
DCF77 - PTB
DCF77 is a time signal transmitter operated by the Physikalisch Technische Bundesanstalt PTB It broadcasts ...

[ Hits: 57 | Votes: 1 | Rating: 10 ]
JJY - NICT
JJY is a time signal transmitter operated by the National Institute of Information and Communications ...

[ Hits: 31 | Votes: 0 | Rating: 0 ]
CHU - NRC
CHU is a time signal transmitter operated by the National Research Council in Canada It ...

[ Hits: 42 | Votes: 0 | Rating: 0 ]

Wavecom W-CODE - Wavecom Elektronik AG
W CODE is a professional digital mode decoder system capable to decode many digital signals ...

[ Hits: 451 | Votes: 1 | Rating: 10 ]

Proplab-Pro - Solar Terrestrial Dispatch
Ray trace radio signals through a realistic three dimensional ionosphere using Proplab Pro This software ...

[ Hits: 171 | Votes: 0 | Rating: 0 ]

SDRPlusPlus - AlexandreRouma
SDR is a cross platform and open source SDR software with the aim of being ...

[ Hits: 212 | Votes: 0 | Rating: 0 ]

20 W HF Power Amplifier - IN3OTD
A HF power amplifier with a push pull of AFT09MS015N The small signal gain of ...

[ Hits: 175 | Votes: 0 | Rating: 0 ]

A Universal Programming Cable for Radios - Yevgueny Andropov
The programming cable is intended to be used with a computer RS 232 port for ...

[ Hits: 90 | Votes: 0 | Rating: 0 ]

Blocking Dynamic Range in Receivers - SM5BSZ
An explanation of the different procedures and definitions that are commonly used for blocking dynamic ...

[ Hits: 175 | Votes: 0 | Rating: 0 ]

A Simple Spectrum Analyzer - AA8C
This is a swept filter spectrum analyzer Basically RF and swept oscillator signals are fed ...

[ Hits: 121 | Votes: 0 | Rating: 0 ]

An introduction to YIG Tuned Oscillators - MicroSource
The YIG Tuned Oscillator YTO is the only direct signal source to provide multi octave ...

[ Hits: 35 | Votes: 0 | Rating: 0 ]

2m to 70cm Transverter Circuit - VK4ADC
A 70cm 432 MHz Transverter Project transverter circuit is an electronic device that converts a ...

[ Hits: 82 | Votes: 0 | Rating: 0 ]