free sdr

A 5 element beam for 10 meter band - Here is a very simple 5 element covering the entire 10 meter band (28.000-29.700) with a swr of less than 1.4 at the band edges

Multiband yagi antenna plan - F6CHT plan for a multiband yagi antenna that covers 6 to 30 meters band in french

Quagi Designer - Quagi antenna design, this little windows application let you calculate dimensions of elements and spacing of a quagi antenna. Freeware by VE3SQB

F5KEE Quagi 8 elements - An 8 element quagi antenna for 2 meters band, with pictures and diagrams, in french

WB6WUW Amature Radio Tower Installation - Wb6wuw's pictorial guide to the erection of free-standing towers starting with excavation and ending with antenna installation

2.4GHz Cubic Quad Antenna  ^pop - The Cubic Quad antenna is a commonly homemade antenna in the range of about 150 odd MHz. Our little project was to design one of these for use in the 2.4GHz range for 802.11 wireless LANs.

F6KEH Emetteurs Biterrois - Le Club radio-amateur Beziers

F8BDX Jose - Le radioamateurisme,le qrp,l elecraft k2, antennas,qrp,schemas,manuals,nostalgia, meteo,dx clusters hf, and contests links in french

EI6FUB Anthony - Personal webpage for hams worldwide

HB9AZT Internet remote station in switzerland - HB9AZT offer a free Ham Radio Receiver (TS2000) with live audio stream. Login is required for full control, available for paying members with valid radio amateur licence.

WB9KMO Webcam - Live Webcam with Free Chat. Watch Tuesday nights after 7:30pm Pacific Time for our SBARC and ATN ATV Nets. From Santa Barbara CA. USA

BHI Ltd - Noise eliminating products. Remove unwanted background noise and interference leaving only the speech. Clear communications, listen stress free. Dsp noise cancellation solutions.

Universal Towers - Freestanding aluminum towers manufacturer

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

Army Radio Sales  ^pop - Devoted to all sorts of military radios and their hardware, as well as other interesting military items, and military vehicles. Army Radio Sales website contains a wealth of free information on military radios and military vehicles, as well as on-line manuals, your very interesting articles, thousands of pictures, as well as a fully automated free classifieds advertising section to advertise your needs.

CQ Shop Ham Radio Store Hong Kong Priority listing - Hong Kong's only full-service amateur radio store. Full line of Amateur Radio and Two-way equipment and accessories from companies such as Yaesu, Icom, Kenwood, Motorola, MFJ, Alinco, Diamond, AOR and many, many more. Knowledgeable staff with many years of experience in the radio business TAX-FREE shopping (no sales, VAT, GAT or other taxes) HF, VHF, UHF transceivers, receivers, walkie-talkies, antennas, antenna tuners, coax and connectors

Inter Technologies - Importator reseller for France / Belgium, Germany, Austria, Switzerland : SDR1000, Elad FDM77 and other Elad products, and all products on demand.

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

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

DxNet - DX Cluster server software by F5MZN

gMFSK - Linux free multimode HF terminal program. Despite the name, gMFSK can send and receive many digital conversational modes typically used by radio amateurs on HF. Supported modes are: MFSK (MFSK16 and MFSK8) RTTY THROB (1, 2 and 4 throbs/sec) PSK31 (BPSK and QPSK) PSK63 MT63 Feldhell

144Mhz preamplifier - A preamplifier project based on Rainer DJ9BV project, in french

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