mode b

The Gain of the Axial-Mode Helix Antenna - by Dr. D.T. Emerson, National Radio Astronomy Observatory (NRAO++). Antenna Compendium Volume 4, pp 64-68, 1995, published by the ARRL.

W4RNL Antenna notes - Antenna modelling techniques and examples by W4RNL

T2FD The Forgotten Antenna  ^pop - "Some have called the T2FD a ""squashed rhombic"" antenna. It does bear some design similarities to the non resonant rhombic, but theoretically it is admittedly inferior. However, the T2FD performs well in a modest amount of space."

TR LOG - Contest logging software by N6TR, a free limited version is also available, includes some contests and a cw simulator mode.

OH2GI Ham System - All-mode contesting and logging software system designed primarily for on-line operation of HF digital and CW radio stations through Terminal Node Controllers (TNC)

C6AMS Bahamas DX Pedition 2010 - Online log and live audio from NA6M/C6AMS, N5BW/C6AMR, K2CK/C6ASH, K5AB/C6AAB and W5ETY/C6ATY will be active from Eleuthera Island, Bahamas (IOTA NA-001)(Grid FL15)9 July to 25 July 2010. Operating on 160-6m CW, SSB and Digital Modes

9H1CD - basically a personalized homepage of my station including pioneer work in various modes of propagation to Mediterranean shores and to continental Europe.

Signal Engineering - Signal Engineering technologically advanced antennas with modern design and construction technique. Up to date information about current line of high performance 10 and 11 meters antennas.

President Electronics - Presindet Electronics produces all mode CB bands transceivers, antennas, and accessories.

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

Getting Started with Sound Card Digital Modes - Setting your Amateur radio station up to operate the wide range of modern radio software which uses the PC sound card to generate and receive signals. Murray Greenman ZL1BPU

PSK for Beginners - Article on PSK modes. PSK for Beginners Has RTTY's Replacement Arrived?

Keplerian Elements - Keplerian elements are the inputs to a standard mathematical model of spacecraft orbits.

High Frequency Propagation Models - Institute for Telecommunication Sciences High Frequency Propagation Models

Muir Communications Ltd - Victoria BC. - Amateur Radio and 2-way commercial Radio Dealer. Sales and service for ICOM Radio Products. CB Radios, antennas and installations. Spread Spectrum Radio modems.

Weather Satellite FAQ - A comprehensive guide to receive Weather Satellites signals in wefax mode

EM Scientific MININEC  ^pop - MININEC for Windows is antenna modeling tool for the novice, student and hobbyist.

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.

ProsKan KA1LPA - Dual screen, supports AVT modes,16 Milions col, auto call insert facilities.

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.

PKTerm 99 - PKTerm 99 host mode terminal software for the Timewave/AEA TNCs takes advantage of the true multitasking capabilities of Windows 95,98,NT.

XPacket - Packet-Radio-Host-Terminal - Packet-Radio Host-Mode-Terminal for DOS works also fine in Windows-DOS-Box. Lots of functions, includes userdatabase Name, distance, direction, qth, call, alias.

HF Propagation Models from NTIA ITS - Windows-95/98/NT 32-bit HF Propagation Models from NTIA/ITS

WinPix32 - Slow Scan TV for Windows 95/98 and NT, WinPix32 supports all SSTV modes in all of the active SSTV families. Commercial demo available but discontinued