itu grid

Limited space Delta Loop - Here is a simple and easy to build antenna in a Delta Loop configeration that should make 10 and 12 meters lots more fun if you have a limited space situation o

Antenna Matching Coil Adjustment Procedure - Without this basic knowledge, addressing antenna problems, RFI problems, and matching problems, results in a frustrating situation. Procedure which must be followed to properly adjust a shunt matching coil.

HF/VHF Portable Mini Tuner - A small portable antenna tuner for HF and VHF bands by ON6MU

PI4DX contest group - We are a contest station situated in the South West part of the Netherlands in the province of Zeeland,

DX0DX Spratly Islands - DX0DX dxpetition to Spratly Islands, Thitu Island 6th - 24th January 2011 IOTA AS-051 ITU 50, CQ 26 Multi national team

W1YK - Worcester Polytechnic Institute Wireless Association. - The Worcester Polytechnic Institute Wireless Association

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.

El Mundo En Nuestra Antena - Spanish Hamradio Podcast made by Arturo EA5AYJ. Also available at iTunes.

PeakSolar.com - Solar Panels, Grid Tie Systems, Solar Power Kits, Solar Cells and more.

SK6AW Maidenhead Locator Conversion - Convert to/from maidenhead gridsquare, decimal or DMS long/lat. Find your locator on smartphones via gps in your browser!

ITU Map - Official ITU-R zone map at ITU Broadcasting services division

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

ITU Zones - IARU Zones - Map of ITU and IARU Zones at hamatlas.eu

6 meter DX by N2FFL - Includes many links related to magic band and also a collection of grid square maps

Aurora Forecast Alaska - By Geophysical Institute Auroral Forecast

MFJ-993B Intellituner Review - MFJ-993B Intellituner automatic antenna matching device review by N4KC

DTMF reader for iPhone - DTMF reader decodes dtmf tones, it is easy to use and with a log to save codes you like.

Radio Works - RadioWORKS is a tool for calculating various items related to radio waves and radio wave propagation. Get detailed information about a frequency, such as the free-space wavelength, band classification, propagation methods, common transmitter configurations, etc. Calculate antenna lengths or frequencies. View a 3D coverage map by providing a latitude / longitude coordinate and transmitter height.

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

Multi-Instrument - Contains a PC sound card based signal generator. It can generate functions, multitones, arbitrary waveforms, burst tones, MLS, DTMF, musical scales, white noise and pink noise, and frequency/amplitude sweep. Fully functional free trial downloadable.

Friis-It NF for iPhone - Friis-It NF is the first iPhone OS based application that allows you to calculate noise figure, system sensitivity, and cascaded gain for an RF Receiver system

Audio Kit for iPhone - Audio Kit is a collection of four iphone applications which are essential for those working in audio and sound. A real time Spectrum Analyser, a Scope to display waveforms, an SPL Meter, and a sine wave Signal Generator.

The Ideal 28MHz Beacon - What constitutes the ideal 28MHz beacon from the listener's perspective by G0AEV

A PIC16F84 based CW Decoder - CW decoder project that automatically adapts itself to the CW rate and may be employed for learning purpose substituting the traditional tone generator and offering the capability of displaying the keyed code.