load

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

2 meter HT Handipole - Add some gain over your rubber dummy load with this full size dipole on your HT.

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

The Cobra antenna - This article explores the Cobra Junior linear loaded antenna for 80m to 10m bands. This antenna is a linear loaded dipole described by W4JOH in 73 magazine June 1997

3MA triband mobile antenna - 3 band mobile antenna - 10m full size wave/4 whip - quick tilt-down system for 20 and 15 m loading coil change by IZ7DJR

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

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

13m high elevated vertical - This article explores the performance of an unloaded elevated vertical, base matching and feed line as a multi-band HF antenna system.

Unloaded vertical as a multi-band HF antenna - Performance of an unloaded ground mounted vertical as a multi-band HF antenna.

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

Telepost - Digital Vector Wattmeters, Dummy loads, software defined panadapter systems, SteppIR Tuning Relay, Digital SWR meters, LP-Pan Pan Adapter IQ Decoder for SDR based panadapter system

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

Ten-Tec: Jupiter Firmware Downloads - Donwloadables binaries for the ten-tec jupiter radio

Orion Logic/DSP modifcation - Orion Logic/DSP modifcation to support Version 2.x firmware

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

SHOUTcast DNAS - Broadcasting your radio from your home using the SHOUTcast Radio DNAS Application

Sunstone PCB Design Software - Sunstone.com PCB123 PCB download software. Review Sunstone quality pcb design software. Free PCB software download for all of your business needs.

Windipoles - Windipoles is a free passive filter simulator. It is a Windows .NET executable, so no software installation is required. It enables design, analysis, optimizations and plots, all graphically.

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

Salt water dummy load - Use plain water with a little salt added to build your own Dummy Load

QRP Power Meter and Dummy Load - In this article the schematic is of AA5TB QRP power meter and dummy (50 Ohm) load combination

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

13 cm transverter - DF5QZ transverter project for 13 cm band