uhf dummy load

Vertical for 80 or 160 meters - KE4UYP project for a top fed 1/4 wave lenght linear loaded vertical for 80m or 160m

Antenna Loading Coil Calculation  ^updated - The calculation refers to either a loaded 1/4 wave or a loaded dipole,

Inductor operation - Understanding current in loading coils

Designing Driven Elements in Yagi antennas - The design and feeding of driven elements for VHF/UHF Yagi antennas , modeling, observations and some case studies by Graham Daubney F/G8MBI

Mobile Portable Whip Antenna - A simple base loaded quarter wave vertical, which can be used on a car or portable by G3YCC

Homemade Arrow Antenna - EA4CYQ portable VHF UHF Yagi antenna designed for satellite operations.

The IOio Antenna - The IOio antenna and the satellites, a custom portable antenna done with squares both UHF and VHF by EA4CYQ

UHF 70 cm henditenna - A yagi antenna for 70 cm by XE3RN based on a K5OE project.

UHF VHF Folded Dipole - Dual band 2 m and 70 cm folded colinear aerial array project by G2BCX

Multiband HF Antenna - This article explores the performance of an unloaded vertical as a multi-band HF antenna.

TACLog - Tac Log is a free input format log book for VHF/UHF/SHF contests. Where most other programs dictate the order and format of the input data during contesting, TACLog gives you freedom of operation, both on the air and on your computer. EDI format and Region 1 rules compliant.

HF BandPlan by RAC - Canadian HF Bandplan by RAC in pdf format

Bird Technologies - Bird Technologies supplier of RF products, like RF Meters, Bird 43, VNA, Spectrum analyzers, attenuators, transmitters combiners, dummyloads, terminators and replacement parts

Valcom - Valcom Guelph specializes in the design and manufacturing of a full range of MF Beacon 100 KHz - 600 KHz, AM Broadcasting 540 - 1700 KHz, HF 1.8 - 30 MHz, VHF 30 - 300 MHz and UHF 300 - 1,200 MHz and SHF up to 6 GHz antennas based in Canada

PSI Antennas - Antennas for Broadcasters, PSI manufactures a complete range of slot antennas for UHF television broadcasting

Konni-Antennen - German antenna manufacturer, produces VHF and UHF antennas for amateur radio use

Analyzing UHF signals using FFT programs - With spectrum analysis of beacon signals, it's possible to see features relating to various propagation phenomonen.

QRP 1:1 Current-type Balun for Portable Use - A ferrite-loaded coaxial RF choke which just happens to yield the same result as a 1:1 current balun

Russian VHF portal - All about VHF, UHF, SHF amateur radio communication in Russia

RSGB FT-857 Review - RadCom Jun 2003 review of the Yaesu FT-857

European monitor post - This blog is about utility and military monitoring in the HF/VHF/UHF range.

Smiley Antennas - Ham radio VHF UHF antennas, aircraft, scanners, marine vhf antennas

KitStop - Kits for AM FM radio, UHF control, big LED displays, games, controls, timers, chasers and flashers

Capacitor kVAr calculator  ^updated - Online calculator to determine the Capacitor kVAr required to improve the power factor from cos 01 to cos 02 with your present kW load

Modify ICOM IC-735 for DRM - Modify the ICOM IC-735 HF-Transceiver for DRM reception