Next satellite passCalculating pass

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Uplink— Downlink— Mode— Tone—

AOS--:-- LOS--:-- Max elevation--°

Global status On air CALL OA4EFZ UTC --:--:-- Data Connecting

APRS ALERTSCONNECTING

CONNECTING · OA4EFZ

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Radiofrecuencia, ondas y señales

Emission

Type: Concepto Advanced difficulty Last review: 2026-07-21

Una emisión es una señal transmitida por el aire.

References

APA 7 presentation

1

Silver, W. (2004). Ham radio for dummies. Wiley Publishing.