europe psk frequency

ZMV Spiral antennas - An experimental antenna similar to the TAK spiral antenna was evaluated for SWR response over the frequency range of 7.0 to 7.3 MHz, or the 40-meter band.

Yagi Antenna Elements Boom Correction - Dragoslav Dobricic, YU1AW antennex article on influence of Boom on frequency performance and how compensate it

Another Approach to Active Antennas - Active antenna with a frequency response that is flat from 5kHz to over 30MHz

IT9X Beacon - IT9X is an experimental 6m beacon operational in CW, JT65B and BPSK located in JM78RE (Messina)

Beacon Station MO 189.5 KHz - This site is dedicated to experimental low frequency operation in the 160 to 190 kHz spectrum. LF beacon MO is no longer active. This page is retained only for reference information.

F5LEN Webcluster  ^{updated  pop} - Webcluster F5LEN member of the European DxCluster network.

Satellite Frequency List - List of satellite frequencies from HT to VHF and UHF

Shortwave Frequency Guide - Frequency list with service name and related comments

PSK31 The Easy Way - An illustrated and printable introduction to PSK 31 by by Alan J. Gibbs, VK6PG

IC-7000 Expand TX - MARS CAP Modification to extend transmit frequency coveragefor the IC-7000

Orion II Frequency response - Frequency response graph for the Te-Tec Orion II

FT-450 Mars Mods - Mars Mod for Yaesu FT-450 extending frequency range: 1.8-30 MHz

Yaesu VX170 Mod - Extend VX-170 frequency range on Yaesu VX-170

Microwave Antenna Design Calculator - Available to run on all major operating systems, this free calculator provides quick estimation of antenna size required for a given gain and frequency.

Radio Works - RadioWORKS is a tool for calculating various items related to radio waves and radio wave propagation. Get detailed information about a frequency, such as the free-space wavelength, band classification, propagation methods, common transmitter configurations, etc. Calculate antenna lengths or frequencies. View a 3D coverage map by providing a latitude / longitude coordinate and transmitter height.

Digital Master 780 - Digital Master 780 is a windows freeware multi-mode program which uses Ham Radio Deluxe for radio control. Support PSK, QPSK, Contestia, CW, DominoEx, Hell, MFSK, MT63, OLIVIA, RTTY, RTTYM, THROB and SSTV. Offer Logging functions.

Resonant Frequency Calculator - This web based application will compute circuit values required for an L-C circuit to resonate at given frequency. Also it will compute the resonant frequency if given values for L and C.

W3LPL Receiving Bandpass Filters - Project of receive only filters optimized for minimal loss and very high rejection of frequencies below 75% of the filter center frequency by K1TTT

Universal frequency counter & voltage meter - to be used with QRP transceivers

Frequency Counter project  ^updated - Circuit and construction instruction designed by Mani VU2ITI

Connect a frequency counter to MFJ 9406 - Modification to connect a frequency counter to a MFJ-9406 50 MHz transceiver by ON6MU

Frequency Locked Loop VFO for HF - A device which joins in a single microprocessor a digital programmable frequency meter and a control logic capable to lock a manually tuned VFO to its actual frequency by IK3OIL

75 meter AM Transceiver - Frequency coverage: 3.75 MHz to 4.00 MH transceiver for 75 MHz band

PSK31 interface - Radio to soundcard schematic interface by VK6PG

PC to RTX interface - Interface with galvanic isolated audio and digital paths. For ICOM IC-706, IC-718, IC-746 and IC-756 HF transceivers, the next one suits modern KENWOOD HF RIGs and the third is a simple "PSK-31" interface.