Master the Waves: Ham Radio Extra Class 2025 Practice Test – Tune In and Transmit Success!

Question: 1 / 400

Which of the following HF digital modes can be used to transfer binary files?

Hellschreiber

PACTOR

PACTOR is a digital mode specifically designed for high-speed data transmission over radio. It is widely used for transferring binary files because of its efficiency and ability to handle more complex data formats effectively. PACTOR employs advanced error-correction techniques, which ensure that data integrity is maintained during transmission. This makes it suitable not just for text, but also for binary data, which is crucial for applications like email and file transfers within the amateur radio community.

Other modes like Hellschreiber, RTTY, and AMTOR are primarily designed for text transmission and are not as efficient when it comes to handling binary data. While they can sometimes be adapted for similar purposes, they lack the focused capabilities and performance optimizations that PACTOR offers for transferring binary files in HF communications.

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RTTY

AMTOR

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