frequency search

Amateur Vertical Antenna Calculator  ^pop - This calculator is designed to give the vertical length (height) of a particular antenna, for the frequency and wavelength chosen.

CB Station 140URL9909 from Antarctica Galindez island - Web Site of CB Radio station from Vernadsky Research Station on Galindez island 140URL9909

19 AT 318 Home page - Radiocodes, Prefix's, IOTA, Frequency's, Hot links and a lot more.

Contest scores by dxwatch.com Priority listing - A searchable database containing user submitted scores for most contests. Information gathered from 3830 mailing list

NCDXF/IARU International Beacon Network - The NCDXF, in cooperation with the IARU, constructed and operates a worldwide network of high-frequency radio beacons.

Beacon Transmission Schedule - This table gives the minute and second within each hour of the start of the first transmission of each of beacon on each frequency

UALR Call Sign Search - University of Arkansas at Little Rock's, U.S. Amateur Radio Callsign Lookup Page.

Canadian Amateur Radio Callsign Database - Search engine is provided by Radio Amateurs of Canada.

RA0FF Contest Page - RA0FF contest Log search Since 1995. UE0FFF log, First DXpedition to Moneron Isl - RK0FWL/p, contest links.

RA0FF LogSearch Collection - DXers and Contesters logs. Interactive Logs, Log Search, Logbooks collections.

XR0YG Online-Log - XR0YG Log On-line Easter Island 2013

Welcome to The Ukrainian Antarctic Club Station EM1U - Web Site of Ukrainian Club Amateur Radio station from Vernadsky Research Station on Galindez island EM1U

US Amateur Radio Frequency Allocations - US Amateur Radio Band Plans by ARRL

Angle linear  ^pop - Linear Radio Frequency (RF) products and peripherals for communications

Trivalantene - Professional antennas in MF, VHF, UHF and SHF frequency range for military applications, civil-professional market, mobile communications, radioamateurs and antennas for special applications - EMC, radiomonitoring, etc.

Optoelectronics - DTMF, RF, decoders receivers and accessories icluding computer interface boards, frequency counters, tone decoders, spectrum sweeper and nearfield receivers

Optical Research Programme - Auroral Large Imaging System, ALIS

Introduction to HF propagation - An Introduction to High Frequency Radio Propagation by IPS Radio & Space Service

British DX club - Information about the BDXC and how to join, including a club-compiled list giving time and frequency details for all English language dx and media programmes

Frequency Manager for Windows - A Windows program for Storing, Sorting, Searching, & Printing Frequency Lists.

RadioRaft  ^pop - RadioRaft decodes 10 different ARQ modes, 8 different FEC modes, Packet, Baudot, CW... It works with a Hamcomm interface or a radiomodem. RadioRaft offers automatic detection of modes, speeds and shift. It comes with a frequencymeter/baudmeter included, it has signal frequency tracking and a bit by bit display mode. Very easy to use. practical and fast.

Radio Propagation & Diffraction Calculator  ^{updated  pop} - This is a radio frequency propagation calculator for the transmission path between an RF transmitter and a receiver.

RadioControl  ^pop - 32-bit Windows software to control multiple radios simultaneously. Beside direct control, it also features frequency and memory management and various scan options. Supported radios range from AOR to Icom and WiNRADiO.

Scan*Star - Radio monitoring and analysis tools. Scanning, searching, spectrum analysis and traffic analysis. Amateur, Industry & Government,

40MHz Frequency Counter Module - Design for a very low cost 6-digit frequency counter module using of the shelf components