europe psk frequency

Coaxial feeder or RF coax cable - An overview of coax cable often called coaxial feeder or RF cable, used to feed antennas and deliver radio frequency power from one point to another

The Versatile Vee Beam - An aerial that you can use on all eight High Frequency amateur bands (80, 40, 30, 20, 17, 15, 12 and 10m) with an antenna tuner, and which gives significant gain on the five bands from 20 m to 10 m

V25WV Barbuda - DX mobile from Barbuda follow on twitter wd8mgz for frequency schedule time or on ecolink

Euro QSL Bureau - European Radio Amateurs' Organization (EURAO) QSL Bureaus Network with the strong commitment to make available, whenever possible, to all radio amateurs their QSLs at no extra cost other than shipping and handling, without any kind of restriction

20m live PSK stream Priority listing - Listen to a live PSK 20m stream from station G7AQK - Located in London, UK

G3LIV Data Interfaces - Data interfaces for PSK31 ,CW, RTTY, SSTV, FSK by G3LIV

Hittite Microwave Corporation - Amplifiers, filters, attenuators, mixers, PLL, switches and frequency dividers, signal generators, power detectors, transimpedance amplifiers, variable gain amplifiers and more

VLF Group - Starlab Very low frequency group

PSK-31 101 - Everything you need to know to understand and use PSK-31 by George Rothbart, KF6VSG Presentation to PACIFICON 2001

BARTG PSK31 Award - As part of its 40th anniversary celebrations, BARTG announced the BARTG PSK31 Award.

PSK31 Fundamentals and Setup - Background: The PSK31 philosophy, The QPSK mode, Varicode, Sound Card DSP Setup and Operating Tips

PSK31 Fundamentals - The PSK31 philosophy

SSTV Mode specifications - How SSTV Works, article by F1ULT

VOACAP Online - Online professional-grade high-frequency (3-30 MHz) propagation predictions

Small Antennas for High Frequencies - This is about Small Antenna types and their properties which can help choosing proper antenna for high-frequency wireless communications as: two-way radio, microwave short links, repeaters, radio beacons or wireless telemetry

U.S. VHF Channells - US coast guard frequency list

Multi-Instrument - Contains a PC sound card based signal generator. It can generate functions, multitones, arbitrary waveforms, burst tones, MLS, DTMF, musical scales, white noise and pink noise, and frequency/amplitude sweep. Fully functional free trial downloadable.

Frequency Response Plotter - Draw static response time of an audio system. Originally intended for loudspeakers tests, is also a great tool for looking at microphone equalisation.

Spectrogram for iPhone - Spectrogram for iPhone displays a live, scrolling display of sound frequency components derived from a 1024 FFT analysis.

Low cost frequency counter - Low cost multifunctional seven digit LCD frequency counter, for your HAM radio shack

Frequency Counter - Timer - Logic Tester - Frequency counter project. It includes quite a number of useful testing features which were very useful when building other projects

Simple frequency counter - This is an incredibly simple and cheap frequency counter with binary readout, based on the ideas of Onno PA2OHH.

Improved PL Tone encoder - N1HFX project to improve PL tone encoder providing a more stable frequency

RFI (Radio Frequency Interference) - This page is meant to be a resource for hams interested in understanding and eliminating RFI problems.

Identifying sources of radio frequency interference - This page describes the results of some tests with a portable spectrum analyzer in attempt to identify the sources of RFI around the house. Radio interference was found in a number of unexpected places.