dual band collinear

6element 50 MHZ Yagi - Less than 20' long but super gain figure and wideband with flat SWR.

6 meters Delta Loop by KK5ID  ^pop - The 6 Meter Band may be dead at times, but help bring it to life with Larry's rotatable loop project.

2.4G Antenna - Pictures of 2.4 Ghz antennas, JN1GKZ S-band homemade antennas

Quarter Wire to Copper Tube Slim-Jim - K0GKJ project of a copper tube slim jim antenna for two meter band

UK Citizens Band radio - United Kingdom CB information from beginners basics to technical data

27MHz DX-Pagina - Dutch web site dedicated to freebanding on 27 mhz.

HB0 - DXpdition 2004 - HB0 on most HF bands from 12 Sept 2004 to 19 Sept. 2004. HB0/ON7TQ and HB0/ON6UQ Qsl via home call Buro or direct.

Fieldcomm association - The FieldComm Association is a small group of individuals in the central Virginia area interested in communications

N'BRED - N'BRED: The All Good Ol' Boy Band

Radio Audio and sound files - Some tens of very special audio files recorded during amateur radio activities like aurora traffic, meteor scatter, communications with ISS crew and the sound of various transmission modes that you can hear on HF and VHF bands

Radio Filters.Com - Low Cost FM Notch Filters: Radio Filters.com, manufactures frequency control products including band pass, notch, reject, electronic filters

Empower RF Systems - We offer a large selection of standard and custom High Power RF and Microwave amplifiers for broadband, general communication, matched band, and personal communication markets.

DOMINO - new MFSK mode - A new MFSK mode with IFK by ZL1BPU and ZL2AFP.It is a simple Amateur Radio mode for keyboard QSOs. domino provides digital chat-mode operation on the HF bands, using the well respected sound card technique. Domino will handle TX/RX offsets and mistuning of 200Hz with ease, and will provide perfect copy of drifting signals up to 200Hz/minute!

NAVTEX - The NAVTEX system is used for the automatic broadcast of localised Maritime Safety Information (MSI) using Radio Telex (also known as Narrow Band Direct Printing, or NBDP).

UK Radio Frequency Bands - A guide from 0 Hz to 30 MHz The main bands, all frequencies in MHz unless otherwise stated

Current DRM schedule - Permanently updated list of DRM broadcasts on AM bands

FTB8900 - Memory management (cloning) software for the Yaesu FT-8900R quad band FM mobile transceiver

AREight - This is the most advanced scanner software for the AR8200 and the AR8600. It can effect any type of scan, can scan from 1KHz to 3000MHz in one time. The AREight is a software for help you to listen signals from around the globe on the shortwave bands

Axis Spectrum Analyzer - Axis Spectrum Analyzer allows you to record audio along with sincronized 31 band spectrum analyzer readings from any audio source to be inputed into Macromedia Flash movies in an easy to integrate way. The software can also be used to display real-time audio with customized visuals on video devices such as projectors, tvs,etc.

Tube Amplifier data and tech info - Source of common model manuals and amateur help on amplifier problems for the amateur bands, Discussion of vacuum tube amplifiers. Technical information and discussion of obselete tube replacement.

Variable bandwidth cw filter - As the sunspots return and DX propagation conditions to improve, the age old problem with QRM begins to show up on the amateur bands. Thif filter help you on improving reception

Crystal Radios at crystalradio.org.uk - Shortwave and broadcast band listening using crystal (passive) radio.

2m Band VHF antenna pre-amplifier - Homebrew pre-amp for 144-146 MHz amateur band and OSCAR Satellites, using BF981 Dual-gate MosFet. Gain ~15 dB, NF=1dB.

QRP equipment - Simple QRP rigs, Transceivers with single side band direct conversion receivers, Receivers, Frequency counters for QRP

VHF CW Transmitter - Simple CW transmitter for the two meters band