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No HFSDR image is published because the Reddit and repository images, including docs/img/hfsdr.png and art export PNGs, have not been paired with a reusable image license, exact attribution, and processing provenance for badge.gallery publication.

A linkable camp-impact record with badge context, severity, evidence confidence, and source notes.

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missing rights-cleared image · local project policy · needs licensed original replacement

The Singapore record remains source-backed and image-free rather than copying social-media previews, repository screenshots, repository artwork, or generated imagery.

Badge
DEF CON Singapore 2026 HFSDR Badge
Category
missing rights-cleared image
Severity
note
Confidence
local project policy
Status
needs licensed original replacement
Timeframe
current catalogue build
Source note
badge.gallery image policy, r/Defcon preorder post, rhgndf/hfsdr repository, and 2026-05-21 repository contents recheck.

Evidence

Related Resources

community preorder

HFSDR preorder post

Hackin7's r/Defcon preorder post documenting the DEFCON SG collection context, kit contents, pricing, SDR/FM/waterfall/FFT features, soldering kit details, and link to the public HFSDR repository.

Badge: DEF CON Singapore 2026 HFSDR Badge

protocol documentation

HFSDR host guide

Repository guide documenting Python and GNU Radio host examples, USB vendor/product/interface details, bulk endpoints, sample-stream format, and WebUSB landing-page descriptor request.

Badge: DEF CON Singapore 2026 HFSDR Badge

Source trail

Evidence Sources

DEF CON · retrieved 2026-05-15

DEF CON Singapore

Official event-context source for the April 28-30, 2026 DEF CON Singapore conference at Marina Bay Sands; this source does not identify the HFSDR as an official DEF CON badge.

Badge: DEF CON Singapore 2026 HFSDR Badge

GitHub / rhgndf · retrieved 2026-05-15

HFSDR host guide

Primary protocol source for Python/GNU Radio host workflows, USB IDs/interface/endpoints, I/Q sample reconstruction, stream format, and WebUSB descriptor behavior.

Badge: DEF CON Singapore 2026 HFSDR Badge

GitHub / rhgndf · retrieved 2026-05-15

HFSDR v1.0

Release source published 2026-04-29 with an hfsdr.elf artifact, giving the HFSDR record a post-event firmware-release anchor.

Badge: DEF CON Singapore 2026 HFSDR Badge

GitHub / rhgndf · retrieved 2026-05-15

rhgndf/hfsdr

Primary repository source for HFSDR host software, firmware, hardware design tree, CH32V305 firmware path, WebUSB links, portable mode behavior, user manual link, and project credits.

Badge: DEF CON Singapore 2026 HFSDR Badge

r/Defcon / Hackin7 · retrieved 2026-05-15

hfsdr preorders for DEFCON SG

First-hand community preorder source for DEFCON SG pickup, HFSDR kit contents, SMA/antenna/encoder/screen/LED parts, 50-60 SGD pricing, RF up to 300 MHz, onboard FM demodulation, waterfall/FFT display, LiPo charger, reprogrammability, and repository link.

Badge: DEF CON Singapore 2026 HFSDR Badge