itu grid

N1KXR/B - Ten-Meter Propagation Beacon - N1KXR/B went on the air at 21:00 Hours EST on Saturday, November 22, 2008 and has been in continual operation. Located in Northampton, Massachusetts [USA] (grid square: FN32), it transmits 24/7/365 and is coordinated with the IARU Region 2 HF Beacon Coordinator.

ITU Callsign Prefixes - Ham Radio ITU International Callsign Country Prefixes

Ripon and District Amateur Radio Society - The club meets every thursday evening at 7.00 pm in the bunker situated beneath the rear garden of the town hall in the city of ripon.

New York City Amateur Radio Emergency Communications Service NYC-ARECS - New York City Amateur Radio Emergency Communications Service (NYC-ARECS) is a NYC based auxiliary communications service. The organization is made up of amateur radio operators who are trained and dedicated to providing radio communications for governments, civil-preparedness and relief agencies during periods of local, regional, or national civil emergencies. This may include situations such as power failures, explosions, fires, floods, earthquakes or terrorist activities. NYC-ARECS is a participant in the NYC Office of Emergency Management (OEM) Partners in Preparedness program and a member of DHS FEMA's National Preparedness Coalition.

Ham Radio Cartoons - Ham Radio cartoons of common situations

ARRL Amateur Radio Map of North America - This large, colorful wall map features current geographic detail and labels, grid squares, call sign prefixes, boundaries and more.

C&S Antennas - manufactures HF wire antennas for short, medium and long range communications. The antennas are designed for tactical, emergency and fast-reaction situations.

AM Forever - Amplitude Modulation Forever for ham radio operators, shortwave listeners and collectors

AM explained - About Amplitude-Modulation

Amplitude Modulation - Amplitude Modulation (AM) is essentially a mixing process where the audio modulating signal is mixed with the radio frequency carrier

HALO Project makes amatuer rocketry history - Launch of a hybrid rocket from high altitude by untsville Alabama L5 Society

k7ICU Tucson AZ Repeater - The K7ICU repeater system is situated about 500' above metro Tucson, at the base of the Catalina Mountains. It is an open system providing coverage to the greater Tucson area.

High Latitude Geomagnetic data - A dynamic collection of high latitude geomagnetic data from 12 Canadian observatories

Ameritron AL-811H Tuning - Ameritron Al-811H Tuning for Power/Dissipation/Linearity, and More Generally 811A Tube Amps in Grounded Grid

Ham Radio DX Prefix Map - Amateur Prefix Maps by UT0UM updated with ARRL DXCC and ITU changes, available for download in PDF

Depiction - Depiction mapping software can download and integrate maps, elevation plots, weather data, situation reports, damage assessments, volunteer movement, and more. It interface with your APRS ssystem

IRTTY2 - IRTTY2 is an HF Ham Radio modem for RTTY (170 hz, 45 baudot) mode. Easy to use but powerful, with waterfall and Macros.

iRFC for iPhone - IRFC offers a full Radio Frequency Calculator on the go for network impedance adaptation with smith chart

iProp - iProp is a propagation simulator based on the 90's work of the FTZ Darmstadt

MorseDecoder - HotPaw MorseDecoder for iPhone and iPad. Translates sounds from mic to text. Includes a DSP narrow band filter.

Ham Helper for iPhone - The ultimate tool for amateur radio operators, RF enthusiasts and telecommunications students or professionals.

MorseDec - MorseDec decodes and encodes Morse with a range of 5 to 50 wpm. It includes: auto-tracking for wpm speed, macros, spectrum analyzer. Easy to use but powerful.

Radio police scanner app - iPhone Radio police scanner app