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Global status On air CALL OA4EFZ UTC 00:00:00 Data Connecting
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OA4EFZ COMPETITIVE RADIO
GLOBAL SIGNAL HUB
Sponsors OA4EFZ operator

OA4EFZ / STATION IDENTITY

A Peruvian station built to compete, document and connect

OA4EFZ brings together technical performance, automation, open knowledge and storytelling. It is more than a callsign: it is an operational platform and a living radio archive.

01

Operation

Training, satellites, propagation, contests and data-informed decisions.

02

Knowledge

Glossary, guides and tools for clear learning in three languages.

03

Archive

QSLs, images, audio, stories and verifiable records preserved with context.

OA4EFZ operator
OA4EFZLima · Peru · South AmericaCOMPETITIVE RADIO / GLOBAL SIGNAL HUB