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W5GI Mystery Antenna  ^pop - W5GI Mystery Antenna is a multi-band wire antenna that performs exceptionally well even though it confounds antenna modeling software. This antenna covers 80 to 6 meters with low feed point impedance and will work with most radios, with or without an antenna tuner. It is approximately 100 feet long, can handle the legal limit, and is easy and inexpensive to build. It�s similar to a G5RV but a much better performer especially on 20 meters.

A beginner's guide to RTTY contests - A pdf file with review of RTTY contests software available on the net and information on how to operate a RTTY Contest, by RSGB.

Bulgarian Federation of Radio Amateurs - BFRA includes LZ callsign search

RigExpert - Amateur radio products and support for rig experts brand in the USA. The new USA RigExpert SD, RigExpert Plus, MixW Software

Sunstone Circuits Priority listing - Sunstone Circuits is your easiest source for quoting and ordering printed circuit boards online. We are three respected brands in one: PCBexpress quickturn boards, PCBpro.com full-featured and design-checked boards, and PCB123 design software.

Yaesu VR-5000 control software - F1MDT freeware remote control for yaesu VR-5000 in french

Grandicelli - Hf-vhf-uhf-shf-digital-monitoring-site,wavecom Decoder and tools, winradio and DRM decoders, WD3000 Direction Finding System , radioraft software. PFSL3000 Integrated HF-VHF-UHF signal monitorin

Adaptive Home Logic - Monitor / Control your home with APRS short text messages. Featuring Scheduling / Conditional Events, 2-way Speech, E-mail, file data, serial data, digital I/O, Sunrise/Sunset, natural language interface, interactive screen overlay scenes, logging + More

Antenna Model - Commercial software for the analysis of wire antennas. runs under most Microsoft 32-bit Windows operating systems—Windows 98/ME/NT4/2000/XP Analyze most wire antennas in free space, over perfect ground, or over real-world grounds with the conductivity and dielectric constant you specify. You describe the antenna to the program in easy-to-use spreadsheet-style input window

WASP-NET - Complex CAD and Optimization Software for Waveguide, Coax, Combline and Antenna components design and antenna modelling

NEC4WIN - NEC4WIN is a 32 bits commercial antenna simulation software based on MININEC3 developed by the Naval Ocean Systems Center in the 70s and 80s. It runs under Windows and can be used to simulate, analyze and optimize wire antennas, beams, verticals, etc. NEC4WIN has limitations. They are the same as Mininec3 on which the engine is based.

IP-Sound  ^pop - IP-Sound is a Free application for audio exchange client to client over a TCP/IPv4 network (Lan/Internet). The main purpose for the existence of IP-Sound is to provide low quality audio 8-16kHz, with low latency for use together with remote control software for "ham" radio amateur equipment. IP-Sound is developed by SM5VXC.

EasyPal - Easypal is a freeware DSSTV software uses the DRM (Digital Radio Mondiale) encoding to allow the sending of image files over voice channels. This mode is known as Digital SSTV

WorkedGrids - Ham Log Mapping software freeware for Windows, displays a map showing the amateur radio grid squares contacted and logged in using a third-party logging program by: Bertrand Zauhar, VE2ZAZ

WD8LQB CountyLog - CountyLog windows amateur radio logging program. Log county contacts, export to ADIF, and access the Who's on the Air Database. Commercial version with free limited version availbale.

HF Radio Logger - NW7US logging program for palm/os

Morse Alp - Morse code learning software in spanish by EA8ALP

DxNet - DX Cluster server software by F5MZN

Ham Radio Reference (HRR) - A collection of calculators, contest schedules, references, databases and more for Palm OS by KB7AVT

BC780XLT Remote Control PalmOS - BC780XLT Uniden Bearcat Remote Control Software for the PalmOS freeware

VX-1R Controller Software - This is Freeware programming software for the VX-1R

F-Intermod - Intermodulation Software - F-Intermod calculates RF intermodulation products for up to 1000 channels by Telecom Engineering Inc.

Delabs technologies Product Design and Engineering - Around 200 electronic circuits in pdf format or images, There are also over 1000 links to useful electronics, freeware, open source websites. There are some 100 useful documents, software and pcbs too. Mainly industrial electronics, instrumentation. Covers Various aspects of electronics and basics of circuit design.

Software Defined Radio resources - Software Defined Radio (SDR) Resources, Links & Information

SDR - Software Defined Radio Projects - An updated and classified collection of SDR projects and realizations