Note: The Usage Manual has been moved to the GNU Radio wiki, along with all other documentation that is not specific to a block/class/function/etc.

For viewing offline, snapshots of these wiki pages are periodically exported and stored in gnuradio/docs/usage-manual/

Here are links to the various Usage Manual pages (they are also linked on the home page of the wiki):

Getting Started

• Handling Flowgraphs
• GNU Radio Companion (GRC)

Metadata and Messages

• Polymorphic Types (PMTs)
• Metadata Information
• Message Passing
• Stream Tags
• Tagged Stream Blocks

Advanced Development Topics

• Logging
• Performance Counters
• Block Thread Affinity and Priority
• Configuration Files
• Types of Blocks

Signal Processing and Digital Communications

• Polyphase Filterbanks

VOLK

• VOLK Guide