dsi 3550 frequency count

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

Whiskey Alpha DX group - "Formed in 1996 in the USA, the ""Whiskey Alpha"" group has members in a few different country's and is growing every day. We provide all members with a ""personalized"" QSL card design. Membership has no annual dues, and is for life."

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

OK1RR DX & Contesting Page - Almost a fresh QSL manager Database, Country Tables for YPLOG by VE6YP (updated monthly), Additional files for the TRLoog by N6TR. Technical topics for HF Contesting (mostly CW), software download (a huge collection)

Kwiklog Classic - For the active county hunter - Kwiklog Classic - Logging Software specific to county hunting. Tracks all the major county hunting awards

YO5KAI - CSM Cluj HamRadio Club - CLUJ NAPOCA, ROMANIA - Radioclubul CSM Cluj, Unul dintre -si cel mai mare radioclub din judetul Cluj CSM HamRadio Club of Cluj-Napoca, one of -and the most important- radio clubs in Cluj County, Romania.

Madison County, Kentucky, ARES - This is the Home Page of the Madison County, Kentucky, ARES organization, with links to other Kentucky related Amateur sites.

Jefferson County Amateur Radio Club - Jefferson County Amateur Radio Club - Arnold, Mo

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

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

International Components - International Components Corporation has an extensive range of electronic components consisting of audible signal devices, speakers, microphones, capacitors, electron tubes, connectors, and accessories designed in recognition of the diversity of applications and special characteristics encountered by designers in today's complex world.

Amateur Radio Awards - See awards from around the world, select by country, mode or band or add your awards !

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

JWO SERVICES - "Amateur radio publications & Accessories; shortwave listener publications, code keys, etc. All at a discount."

Thomas distributing  ^pop - Discount CB & Accessory Distributor. Top Brands such as Cobra, Uniden, Midland, Galaxy, Solarcon, Bandit, Pyramid, Wilson, Superstar, Palomar, Nortstar, President, Dosy, Paradynamics, K40, Nemarc, Road Noise, Astatic, Turner, Telex. Best Prices and exceptional service. 21 Years serving the Communication Trade.

Bandercom - Radio sales to over 60 countries, source for all communication equipment, individual hobbyists, professionals and dealers.

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.

CQRLOG - Advanced ham radio Linux logger based on Firebird database. Provides radio control based on hamlib libraries, DX cluster connection, QRZ callbook, a grayliner, ON6DP QSL manager database support and a most accurate country resolution algorithm based on country tables developed by OK1RR. CQRLOG is strongly focused on easy operation and maintenance.

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.

PacketCluster DX statistics - This program extracts statistics from a dx.dat file to show numbers of spots for each country on each band

Radio Propagation & Diffraction Calculator  ^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.

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