load coil calculator

20m mini loaded dipole - It is very simple to build and you can tune it in your shack room

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.

Cubical Quad Antenna Calculator - The function of the calculator is to give all of the needed sizing to construct a good 5 element quad antenna for amateur radio use.

Link Coupled Tuner - Legal Limit Link Coupled Balanced Tuner,for the amateur ham radio HF bands. This Tuner uses plug-in Coils sets for 40, 80, & 160 meters

Amateur Radio Band Plan Layout  ^pop - Excellent free downloadable band plans layouts ready to print in pdf format by C.Gustave Sandberg W1CGS

LU9DPM Martin - Downloads, colleagues, links, manufacturers and more in English and Spanish

SWL Audio Clips - mp3 files to download produced by an italian SWL. Includes, broadcast stations, air traffic controls, pirate radios

Hy Power Antenna Company - Full size or shortened dipoles, Single band or Multi band, Half Square Antennas, Fan Dipole Antennas, Delta Loop Antennas, Antennas completely assembled Loading coil packages, delta loops

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

Alpha Linear Amplifiers  ^pop - RF Concepts manufacturer of Alpha Linear Amplifiers, amateur radio RF power amplifiers, commercial power amplifiers, power meters and dummy loads.

Chip64 - Download chip64, freeware windows digital mode by IZ8BLY Nino

Icom IC-706 and SGC-230 - Connecting the SG-230 smartuner to the Icom IC-706 pdf file

Icom IC-718 Service manual - Service maual for Icom IC-718

Icom IC-718 manual - Download the Icom IC-718 manual in PDF format

Yaesu FT-100 undocumented - PDF file compiled by PA3GMP about undocumented features of the yaesu ft100 radio

FT-817, FT-847, FT-857, FT-857D, FT-897 and FT-897D Memory Cloning - The complete status of the FT-817, FT-847, FT-857, FT-857D, FT-897 or FT-897D memories can be read into the computer and saved to disk. Any saved file can be subsequently reloaded into the computer and sent back to the rig. This facility uses these rig's ability to clone configurations from one rig to another using the serial port.

FT817 DSP noise reduction noise - Add-on audio DSP unit from BHI

Yaesu FTDX-5000 Manual Part 1 - FTDX-5000 Operating manual part 1

Yaesu VX-5R mods - VX-5R mods collected by QRZ.com

QRZ.com clip arts - Ham radio clip art by qrz.com

Cabrillo Evaluator by W3KM - Cabrillo Evaluator Software by W3KM free software loads Cabrillo log files, evaluates and scores them.

ID Wizard - ID Wizard is an ID timer with system clock setting and miscellaneous tools. Tools includes Notes, a full-featured “text” editor, Calculator, Calendar for sun/moon times, Time Zone Browser Conversion Utility Area, Distance, Mass, Power, Temperature, Time and Volume, Trace Route, Ping and WhoIs

Amplifiers and Vacuum Tubes Tuning Loading and Arcing - Page on amplification topics. From vacuum tubes to various components, discussion on stability and arcin causes.

LCF Calculator - LCF online Calculator, calculate relation between Frequency Capacitance Inductance and Reactance

HF Rigs db comparison - XLS file with technical specifications about ham radio transceivers