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Active Antenna HF VHF UHF - An active antenna AA-7 HF/VHF/UHF, 3-3000MHz by Fred Blechman

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.

Crossed-Wire HF Antenna - This Crossed-Wire Electrically-Steerable HF Antenna, capable of transmitting signals over the entire 1.8 to 30MHz HF range, and capable of receiving signals at much lower frequencies is basically a crossed centre-fed wire system, consisting of four thin wires brought to a central mast by G3YNH

Maria Maluca Antenna - F5AD Maria Maluca wire antenna for 40 to 10 band coverage

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."

Internet six meter news - Lots of links and news for the six meter band, 50 Mhz.

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

North Bergen police live scanner - Listen to the North Bergen Police radio broadcast live, NJ

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.

Icom America - Manufacturer of amateur, avionic, land mobile, marine and communications scanner & receiver equipment.

Alinco - Alinco amateur radio transceivers manufacturer. HF Radios, Mobile transceivers, VHF UHF handhelds, receivers, scanners, power supplies and accessories

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

Worldradio Online - WorldRadio Online is a free online monthly magazine published by CQ Communications,

Scanning Reference - Informations about Scannings, with frequencies, information about scanning, hardware and software reviews

Atlantic Ham Radio Ltd.  ^pop - Canada's premier amateur radio, shortwave radio, scanner, CB, marine and aircraft radio store. A complete line of acessories is also available along with full service and repair facilities.

Spy Centre - All about Spy Numbers Stations, which send coded messages to agents. Includes schedules and frequencies of stations.

QRZ Cdrom Shareware - Shareware and Freeware HAM radio software by QRZ.COM

Super-Duper for Listeners - SDL is a dedicated contest logger for SWLs. It's good for all the major international contests and for dozens of others worldwide. SDL is fully working and unrestricted, and is distributed as freeware. It links to Icom, Kenwood and Yaesu radios to follow band and mode changes.

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

Swisslog - SWISSLOG is a Freeware powerfull Logprogram for the sophisticated Ham. Due to its flexibility it covers all requirements. Run under Windows and DOS and support external devices, dx cluster, reporting and many features.

MultiMode - Digital modes decoding software for the macintosh. Decodes CW, RTTY, WEFAX, SATFAX, ACARS, DTMF, SSTV

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.

FBB Packet-radio BBS - FBB is a freeware bulletin board software for amateur packet-radio run on DOS Windows and Linux

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

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