air grid

Coil Designer - Mk 2 - This page lets you do calculations for single layer air cored coils using the solenoid formula

Guanella 4:1 balun - This article reviews the proposition that a 4:1 current balun in the style of Guanella can be constructed with both pairs of windings sharing a common magnetic circuit.

GAP Titan DX Repair - K6DQ GAP titan dx antenna repair

Cushcraft Trap - Coaxial Capacitor Repair - Repairing coaxial capacitor on cushcraft trap. Parts are no longer available from the manufacturer, home repair is the only option.

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.

Northern California Ham Kids - The website for the Northern California Amateur Radio Kids Group.

Women On The Air - Dedicated to active YL... YL IS !

K2JJI Tryon Amateur Radio Club - Listen to the K2JJI repeater (146.70- PL 100.00 Hz) located on Fulton Co. NY. Coverage of grids near and around FN23/FN22.

Military Portable Auxiliary Power Units - Design, build and supply Military Diesel Operated Tactical generator sets, diesel generator sets, custom generators, auxiliary power units, portable power generators and tactical quiet generators used by the U.S. Navy and Air Force.

ASC Signal - Global manufacturer of Satellite Earth Station, Air Traffic Control Radar Antenna and High Frequency Antenna products for broadcast, government and enterprise satellite communication applications.

Ham Radio Grid Square Locator Map - Amateur Radio Ham Radio Maidenhead Grid Square Locator Map, by Address, Call sign or Grid Square, using google maps

ARRL Grid Locator Map for N.America  ^updated - North America Grid Locator map by ARRL

A Two-Way Morse Practice Set - The system consists of a pair of Morse practice oscillators connected by a piece of two-conductor cable. Pressing the key on one unit produces a sound in both units by Peter Parker VK3YE -

Icom IC-9100 at HamFair 2009 - Firsts pictures of Icom IC-9100 taken at Tokyo HamFair 2009

Cushcraft R7 repair and tests - F5DQK repairing and swr measurement tests of a Cushcraft R7 Antenna

AirNav RadarBox LIVE  ^updated - AirNav live. See live images from my AirNav Radar box here in Clacton on Sea, Essex. Also full setup details.

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

Vertex Standard Australia, NZ - Vertex standard has the radio communications solution you need and should demand. a global organization with over 50 years of proud history and experience our range spans the commercial, marine, airband and amateur markets.

Radio Caroline - World's most famous offshore radio station still on the air today

WSRotor - WSRotor v1 is a freeware windows talking rotator control program for the Prosistel CBOX Rotator Controller written for use of the visually impaired.

Coil Inductance Calculator - Approximate Air Coil Inductance Calculator

GridLocW - GridLocW a Lat/Long to Maidenhead converter for Windows with optional GPS support

White Stick Log - White Stick Log Version 1 is an amateur logging program for the visually impaired. Based on Easilog it has slightly reduced facilities.

400 W RF Power amplifier for 144 MHz - G4DCV's 144MHz amplifier with a pair of GI-7b Russian triodes

Datasheet catalog - DatasheetCatalog.com is free an online datasheet source for electronic components and semiconductors from ST Sanyo KEC SONY Toshiba Motorola Texas Instruments, Panasonic, Microsemi, Maxim, Rohm, Fairchild, National Semiconductors and others