vhf beacon

Quagi and Yagi on 2 Meters - Designing quagi and yagi antennas on 2 Meters, some preliminary notes by Cebik, W4RNL

EA6VQ - Open wire feeding and baluns - Discussion about open wire feeding and baluns took place in the Moon-Net reflector.

A 16 Turn S-Band Helix - This design represents the smallest practical antenna for Oscar-13 mode-S. Perfect beacon reception at all times is possible, and acceptable SSB even at 43,000 km range.

Ladder line J-Pole - Building a VHF or UHF Ladder Line J-Pole Antenna

Shrunken Quad - VHF quad antenna for transmitter hunting.

The VHF Dxpedition to Dominica - Main goals of this dx pedition was test out a MID SIZE 2MXP20 dual polarity or cross polarized Yagis in a field environment and shoot for a record number of EME QSO's using this system

The K0NR weblog - Stuff about amateur (ham) radio, with emphasis on VHF/UHF, QRP, portable and mountaintop operating.

BEKO Elektronik - VHF power amplifiers made in germany

RFAC Solutions - RF Connectors Cable Assembly Attenuators Filters High Power VHF Amplifiers, Adapters MMCX MCX SMA SMB SMC BNC TNC N from RFAC Solutions

Bozak Antennas - VHF, UHF, FM, Base & Mobile antennas

KU4AB Antennas - VHF UHF Antennas, SQ line antennas

Hustler antennas - A new tronics company, antenna maker, HF vertical antennas, vhf antennas, cb antennas

Communication Concepts, Inc. - Provide components to the amateur who wants to construct their own gear and to the professional who wants to save money and time in prototyping their circuit design, Filters, HF Amplifiers, Splitter Combiners, VHF Amplifiers, ATV

Expanded Spectrum Systems - Flash crystals, Feakin' beacon keyer, beacon attenuator

Rotating Tower Systems - Using our components you can build a rotating tower with greater capability than 3-4 static towers. A rotating tower allows common rotation of HF stacked arrays, VHF and UHF arrays, and antennas mounted at optimum heights. Component design also allows tower shunt loading and end support for wire antennas

Jetstream - Antennas, base mobile scanner and vhf antenna, coax cables, coax switch, Lightning Arrestor, mounts, power supply, speakers and wattmeters

W6AMT Grid Maps - Maidenhead grid maps for VHF/UHF, These maps make excellent wallpaper for your contest setup.

Using the Heath SB-200 Linear on Six Meters - Improvements to Using the Heath SB-200 Linear on Six Meters by Ron Klimas, WZ1V

WSJT - WSJT is a computer program for VHF/UHF communication dedicated to EME. Support FSK441 for meteor scatter, JT65: for EME and extreme troposcatter, JT6M: for meteor scatter (optimized for 50 MHz)EME Echo: for measuring your own echoes from the Moon, CW: for EME QSOs using 15 WPM Morse code

How to make your ham radio system mobile - How to make your ham radio system mobilemany ham radio operators carry radios for fun, safety and public service activities. radios for both vhf and hf frequencies can easily be installed in vehicles.

Yaesu FT-857 description - The FT-857, the world's smallest HF/VHF/UHF mobile transceiver, provides base station-type performance from an ultra-compact package that's ideal for mobile or external battery portable work.

DRF Technologies - Interfacing and Control Projects for the Hobbyist, Ethernet I/O Board, VA3TO Echolink Interface, Programmable Beacon Keyer Project.

Beacons - The W6AMT Beacons is a Windows program which automates the collection of radio propagation data. HF data is collected by monitoring the worldwide network of NCDXF / IARU HF beacons.

WZ1V's VHF modifications page - A collection of modifications to the AM6154/55 linear amplifier

PICBeacon - CW/QRSS beacon, based on a microcontroller PIC16F84, by Microchip, with only few other components. Schematic and component list available