Flarq
Flarq is a Mac app for amateur radio operators that sends text and files with ARQ transfers, typically alongside fldigi digital modem software.
What is Flarq?
Flarq is an amateur radio communications app for Mac that handles ARQ file and text transfers over radio links. It is commonly used with fldigi, which provides the modem and digital mode operation while Flarq manages reliable exchange of messages and files. Typical use cases include keyboard-to-keyboard text sessions, sending documents, and moving small files with acknowledgment and retransmission support. The app is aimed at ham radio operators, emergency communications volunteers, and users of digital radio workflows who want more dependable transfers than plain broadcast-style sending. It fits best in station setups where users already work with digital modes and want a companion tool for managed message delivery.
Key features
- Send text with ARQ-based error-checked transfers
- Transfer files over amateur radio digital links
- Work alongside fldigi for modem and digital mode operation
- Retry and acknowledge transmissions for more reliable delivery
- Support keyboard-to-keyboard messaging workflows
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Safety overview
Status: Safe
Flarq is legitimate amateur radio software. Its normal behavior is to access files you choose to send or receive and to work with radio-modem workflows through companion software such as fldigi. Keep the app if you use ham radio digital modes, and use ordinary caution when opening files received over the air, since the app can transfer user-selected content.
Recommendation: Keep Flarq if you use amateur radio digital communications or file transfer workflows on your Mac. If you do not use this type of radio software, you can remove it without affecting normal macOS features, though any saved settings or transfer folders tied to your workflow may no longer be used.
Common paths
/Applications/Flarq.app
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