Status: The Reverse Beacon Node is currently offline and undergoing maintenance.
What Are Beacons?
In amateur radio, beacons are automatic transmitters that send out signals at regular intervals. They help radio operators evaluate signal propagation—how radio waves travel through the atmosphere—especially across long distances and variable conditions.
6m Beacon (ZL2SIX)
The ZL2SIX 6m Beacon, located on the Wither Hills combines:
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Standard FSK beacon transmission on 50.054 MHz, identified as ZL2SIX, running continuously.
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A WSPR (Weak Signal Propagation Reporter) mode every half-hour, transmitting a 2-minute signal on 50.29454 MHz. This mode allows for low-power signal testing and global reception reports.
The beacon made from QRP Labs equipment uses a 10W linear amplifier and a GPS-timed exciter to ensure precise signal timing.
The WSPR component especially enhances its usefulness for understanding 6m propagation in our region.
Reverse Beacon Network (RBN)
Unlike traditional beacons that transmit, the Reverse Beacon Network (RBN) listens. It’s a worldwide system of receivers that continuously monitor for Morse code (CW) signals. When a station calls “CQ,” RBN nodes capture details like frequency, signal strength, and location, then upload them to a central database. This helps operators understand real-time propagation conditions and how well their signals are being heard globally.
The ZL2KS RBN node, previously located at Brayshaw Park, used a Red Pitaya SDR and monitored eight amateur bands. However, this node is currently offline for repairs, and updates will be provided once the system is operational again.
Acknowledgments
Special thanks to Tony Whitaker (ZL2RKL) for his technical contribution, equipment, and time—particularly during his NZ summer break—to bring this upgraded beacon online.
And Gerard van Antwerpen (ZL2GVA – SK) for his technical contribution, equipment, and time building and testing the Reverse Beacon Network (RBN).
The establishment of our Reverse Beacon Network (RBN) receiver node was made possible with the generous support of a grant from FISTS Down Under.
Learn more about their contribution to the Reverse Beacon Network at fdu.org.au/reverse-beacon-network.
For more about WSPR reception reports, visit wsprnet.org.
For Reverse Beacon activity, check reversebeacon.net.