UDXF Info  Recordings Pictures Links About

CALLSIGNS / FREQUENCY MANAGEMENT

Australian Radio Licences

FCC Licence Search

Japanese fixed station callsigns

New Zealand Radio Spectrum Management


UTILITY RELATED WEBSITES

Codar Ocean Sensors

Deutscher Wetterdienst fax and rtty schedules

Dxing.com Radio Intrigue

DX Info Centre (navtex, GMDSS, fax, time signal station schedules)

DX Radio

HF Link Net

Hugh Stegman’s Hurricane frequencies page

IARU Monitoring System

International Telecommunication Union (ITU)

Italian HF Archive

NIST Time and Frequency Division

Numbers & Oddities (numbers stations)

Priyom (numbers stations)

RadioReference UDXF portal

Radioscanner.ru (Russian)

Radio Sondes

Utility Planet

Virtual Museum of Radio Communications

World Meteorological Organization


BEACONS

HF Underground’s HF beacons page

Johan Veldhuis’ beacons pages

Martin Francis RNA, REU, RWW pages

NDB & Fishnet beacons

NDB change(B)log

NDB List info site

Robert Connolly’s website

Wim van Beek’s beacons pages


LONG WAVE

Auroral Chorus (natural ELF/VHF)

Europäische Funk-Rundsteuerung

Hyperbolic Radionavigation Systems (J. Proc)

Hyperbolic Radionavigation Systems (A. Cordwell)

Longwave Club of America

Radio Teleswitch (Alan Cordwell)

Radio Teleswitching (UK)

Radio waves below 22 kHz

SAQ Grimeton

Trond’s ELF/VLF Frequency Guide


MILITARY

Army Field Manuals

Canadian Routing Indicators

CFARS

DefenseLINK

Egyptian Navy on HF

MARS wikipedia

Noble Skywave

USCG Navigation Center


DIGITAL MODES, HARDWARE & SOFTWARE

Info, recordings and links

Wikipedia: List of software-defined radios


AERO

Aircraft Serial number search

AirNav Page

Collins ARINC - Atlantic

Collins ARINC - Pacific

ICAO HF Frequency Management South Pacific

International HF Aero Frequency List

NOTAM decoder

Open AIP - Worldwide Aviation Database

Open Sky network

Planes and stuff

Planespotters net

Scramble

Skybrary


SPACE & SATELLITES

DDiUS (check “sound from space”)

Encyclopedia Astronautica

Russian Space Web

Satellitenwelt

Space Daily

Space.com

Sven's Space Place

UHF Satcom

Visual Satellite Observer's Home Page

Zarya


MARITIME

Coastal Radio Communications

Dockside cruising nets

French Meteo broadcasts

ITU MARS

Kiel Radio

KKL Washington State

List of Navtex stations

Navtex on DX Info Centre

NOAA Marine Forecasts

Sailmail

Sailmail primer (incl. Stations & frequencies)

Seefunker

Taupo Radio NZL


PROPAGATION

HF Propagation (RadioReference wiki)

hfradio.org - Propagation

KC2G propagation website

Propagation (qsl.net)

Proppy HF propagation prediction

Sunspot Watch

VOACAP Quick Guide

VOACAP Propagation Planner

VOACAP Software (HFWIN)


MORE LINKS

Broadcasting

Crypto

DX Publications

DX Clubs

Remote tunable receivers

Various

Please report broken links