430 mhz portable yagi

A 40m Vertical - This antenna is intended as a simple, inexpensive solution for the newcomer to experiment across the 40m band (7.0–7.2MHz) when only restricted space is available

20m QRP Dipole - Instructions to build a portable dipole for 20 meters

G4AON portable 6m J-Pole antenna - Ribbon cable J-Pole antenna for 6 Metres, with antenna picture and construction detail

PA0IB Magnetic Loop antennas - Nice photos of two home made magnetic loop antennas assembling details, covering 3.5 MHz to 10.2 MHz and 11.9 MHz to 32 MHz

Antenna system in a shopping trolley wally - Multiband portable antenna system edited by Andy Foad G0FTD, consisting of an old cb antenna with it's 27Mhz matching coil, an antenna tuner, car battery and a transceiver

Portable HF antennas - Excel sheet containing technical comparisons of commercial HF portable antennas compiled by ON4SKY. Includes pictures, manufacturer, db gain, band coverage, F/B ratio, price, weight and dimensions.

Assembly of the Lightningbolt Quad - One of the best antenna values on the market is the LightningBolt Quad. At about half the cost of a tri-band yagi, you get five band coverage with a single coax feedline and excellent performance from a light, low wind load antenna.

Pringles Yagi Antenna - Design and build a Pringles Yagi antenna for 2.4Ghz.

PringlesCantenna - Seattle Wireless - The PringlesCantenna is an ultracheap Yagi-type directional antenna that can be built for under $10. The original Pringles Yagi was designed by Andrew Clap.

MicroTV Aerial - Seattle Wireless - Yagi antenna for 2.4Ghz band

JJ0LUU+JJ0LXF /1 weblog

G4LOH 144MHz Blog - Ham Blog

Listen to K0KKV 146.760 Mhz Live - Login and you will find a live feed from Lincoln Nebraska, USA, via Microsoft Windows Media, some recorded nets from various days and events. You can listen live 146.760 MHz over the internet.

Maha / Powerex - Portable electronics, amateur radio, pro audio and digital cameras batteries, chargers and conditioners.

Penninger Radio - The home of the TIPPER a portable base system & the CLAMP-IT series of mast clamps & the SNAP TUBES series of snap together mast tubes, Snap Tube Joiner, Guy Slip Ring.

The G3TPW CobWebb HF Antenna - G3TPW CobWebb Antenna for the 14, 18, 21, 24 and 28 MHz Bands

TET-Emtron - Australian antenna manufacturer specialise in supplying amateurs with the best quality products. Amateur radio multiband Yagi antennas, balums, cb antennas, dipoles

Platinum Technologies - Manufacture sector, omni directional, panel and parabolic antennas for professional base and client stations. 900 Mhz, 2.4 Ghz 3.5 Ghz and 5 Ghz antennas

CAL-AV Labs, Inc. - Cal-av labs, inc. (formerly california avionics laboratories, inc.) manufactures electronic instruments and systems for research and industry. we specialize in radio communications and research/electronic test products. Amateur radio yagi antennas, rotary dipoles, baluns, morse keys.

PacComm Packet Radio Systems - Packet Modems, tnc, portable tnc manufacturer

Down East Microwave - Supplier of amateur radio equipment for 50MHz and above in New Jersey

Advantage Communications - Vertex standard, yaesu, maxon, ritron, and jobcom portable and mobile radio sales and service.

Yagi Modeler Applet - This java applet/application implements a simple yagi modeling code. The initial input is a really trivial 2 elmenent yagi.

A low pass filter circuit - A simple 7 element, Chebyshev low pass filter, rolls of at 30MHz. Attenuation is better than -40dB at 60MHz, -65dB at 90MHz, -80dB at 120MHz.

A 6M Transverter - Build a transverter based on a 6M receive converter. A 32MHz TTL oscillator is used as the local oscillator for both transmitting and receiving. RX/TX switching is handled by three SPDT relays.