NCDXF/IARU International Beacon Project

NCDXF/IARU Beacon Transmission Schedule

Each beacon transmits every three minutes, day and night. This table gives the minute and second of the start of the first transmission within the hour for each beacon on each frequency. A transmission consists of the callsign of the beacon sent at 22 words per minute followed by four one-second dashes. The callsign and the first dash are sent at 100 watts. The remaining dashes are sent at 10 watts, 1 watt and 100 milliwatts.
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Call Location 14.100 18.110 21.150 24.930 28.200 Operator Status

4U1UN United Nations 00:00 00:10 00:20 00:30 00:40 UNRC OK

VE8AT Canada 00:10 00:20 00:30 00:40 00:50 RAC/NARC OK¹

W6WX United States 00:20 00:30 00:40 00:50 01:00 NCDXF OK

KH6WO Hawaii 00:30 00:40 00:50 01:00 01:10 KH6BYU OK

ZL6B New Zealand 00:40 00:50 01:00 01:10 01:20 NZART OK

VK6RBP Australia 00:50 01:00 01:10 01:20 01:30 WIA OK

JA2IGY Japan 01:00 01:10 01:20 01:30 01:40 JARL OK

RR9O Russia 01:10 01:20 01:30 01:40 01:50 SRR OK

VR2B Hong Kong 01:20 01:30 01:40 01:50 02:00 HARTS OK

4S7B Sri Lanka 01:30 01:40 01:50 02:00 02:10 RSSL OK

ZS6DN South Africa 01:40 01:50 02:00 02:10 02:20 ZS6DN OFF⁷

5Z4B Kenya 01:50 02:00 02:10 02:20 02:30 ARSK OK⁶

4X6TU Israel 02:00 02:10 02:20 02:30 02:40 IARC OK³

OH2B Finland 02:10 02:20 02:30 02:40 02:50 SRAL OK

CS3B Madeira 02:20 02:30 02:40 02:50 00:00 ARRM OK

LU4AA Argentina 02:30 02:40 02:50 00:00 00:10 RCA OFF²

OA4B Peru 02:40 02:50 00:00 00:10 00:20 RCP OK

YV5B Venezuela 02:50 00:00 00:10 00:20 00:30 RCV OK

1 - Operation may be intermittent due to local conditions.
2 - Moving to a new location.

3 - Building renovations are causing prolonged power outages.

4 - Off for unknown reasons. We are attempting to contact the operators.

5 - Off due to hardware problems. Repairs are underway.

6 - Operation will be intermittent due to civil unrest in Kenya.

7 - Off due to direct lightning strike. New antenna on order.

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The recordings were made by VE3SUN using a TS-50 and a Cushcraft R-7 mounted 2 meters above the ground.

If you find this information to be inaccurate, please contact us.