Each beacon transmits once on each band once every three minutes, 24 hours a day. A transmission consists of the callsign of the beacon sent at 22 words per minute followed by …

2020年10月8日 · The NCDXF/IARU bea­cons help both ama­teur and non-ama­teur HF radio users assess the cur­rent con­di­tion of the ionos­phere. For more infor­ma­tion vis­it …

2023年4月29日 · The NCDXF / IARU beacons help both amateur and non-amateur HF radio users assess the current condition of the ionosphere. See IARU Region 2 active and inactive …

The NCDXF, in cooperation with the IARU, constructed and operates a worldwide network of high-frequency radio beacons on 14.100, 18.110, 21.150, 24.930, and 28.200 megaHertz. …

Click on the callsign to see the beacon location, latitude, longitude, and grid square shown on Google Maps or Google Earth. The slot indicates the order of transmission. Each beacon …

2022年7月22日 · Worldwide List of HF Beacons. Previously known as G3USF ’s Worldwide List of HF Beacons. Martin Harrison, G3USF for many years maintained the list of Worldwide HF …

NCDXF/IARU Beacon Transmission Schedule. Important New Automated Beacon Monitoring Program. The beacons transmit every three minutes, day and night. This table gives the …

The International Beacon Project (IBP) is a worldwide network of radio propagation beacons. It consists of 18 continuous wave (CW) beacons operating on five designated frequencies in the …

Perform on-demand propagation predictions from NCDXF/IARU International Beacon Project beacons using the ITU's ITURHFProp application in accordance with ITU-R P.533-14.

Displays the NCDXF/IARU International Beacon Project's scheduled transmissions and performs propagation predictions for the current month between each beacon and your location using …