signal analyz

DIY Wireless Antennas Update and Resource Center Priority listing - Your DIY Guide to Wireless Antennas for boosting wireless signal strength. How to build a wireless antenna for little or no money.

Northern Lights Radio Society - Organization of Upper Midwest amateur radio operators who are active in weak signal (SSB/CW) work on the VHF, UHF, and Microwave bands

WebSDR on 70cm band - 70cm and 23 cmd EME signals recorded using the 25 m dish in Dwingeloo by WebSDR Radio

Response Microwave, Inc. - Microwave Signal Processing Components and Subsystems, from design to manufacturing.

NorComm Data Signaling - Sequential Decoders, DTMF, voice encryption, notch filters and band pass filters, single tone burst decoders.

Will Same - Manufacturer and exporter who have engaged in RF field , CATV , Telecom products field in Taiwan since 1990. Lightning Surge Protectors and arrestor, signal splitters, distribution amplifiers

Phonetic Alphabets, Historic, English & Others - Phonetic Alphabet Historic, English and Others. Foreign NATO Morse Telegraph Code Abbreviations Q X Z Procedures CB Police Marine Army Navy Heliograph SINFO SINPFEMO Signals WW1 WW2

The JT65 Communications Protocol - Digital protocol intended for Amateur Radio communication with extremely weak signals. Joe Taylor, K1JT

SDR-1000 and Weak Signal - Optimizing the SDR-1000 for Weak Signal Operations on Two Meters

MFSK16 - An MFSKMulti-Frequency Shift keying DX Mode. A new weak signal DX mode for Radio Amateurs, employing M-ary FSK, phase continous tones and convolutional coded FEC.

Operating VHF/UHF Weak Signal - Weak Signal VHF/UHF Operating by James S. Kaplan KG7FU

ARRL JT44 operating mode - JT44: New Digital Mode for Weak Signals

Software DSP for Weak Signal Enhancement - An Overview of Software DSP for Weak Signal Enhancement by Roger Rehr W3SZ at Elecraft Tech Notes

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

Ten-Tec Orion 9 MHz IF Output - This article describe hot extract a wideband 9 MHz IF sample signal from a Ten-Tec Orion model 565 by VE7TK

N3UJJ Antenna Analysis of Gap Titan - Analysis of N3UJJ installed antennas using the AIM4170b Antenna Analyzer

DSPRX - Signalprocessing for SSB - Direct Conversion Receiver using Phasemethod for Sideband Supression, does all necessary signalprocessing for Direct conversion Receivers using IQ-mixer for demodulation.

Signals Analyzer - Signals Analyzer – it is the program, which is designed for the very qualitative analysis of different signals. The main area of SA application is the analysis of unknown or unclear, strange signals.

VOAProp - 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

SimJT - SimJT is a simulation program. It generates audio-frequency JT65 and CW signals in a background of gaussian white noise, with user-specified signal-to-noise ratio.

Signals Analyzer - Signals Analyzer – it is the program, which is designed for the very qualitative analysis of different signals. The one of main fields of SA application is the analysis of unknown or unclear, strange signals. This programm will be very usefull to everyone from professional analysts to amateurs.

WOLF GUI - GUI for the KK7KA Wolf software, that was originally written as command line interface only. Wolf is a weak signal software

Receivers sorted by IM3 - Sorted by Intermodulation. Best receiver first. This is a measure of how badly a close-spaced signal will trash your receiving with spurious signals or splatter sounds,

A Simple Dual Band SSB Transceiver - Homebrew a dual-band transceiver with a crisp receiver and a clean SSB signal

M3 Electronix Semiconductor Analyzer Kit - A workbench instrument capable of testing transistors, diodes, FETs, usefull constructing QRP circuitry.