About the HS8AC Radio Library

A reference for the Q-codes, CW abbreviations, prosigns, and RST signal reports used every day on the air — built for the HS8AC amateur radio community, in Thai and English.

Formal meaning vs. practical usage. Each entry keeps the official meaning (per ITU Q-code / ARRL CW-abbreviation / IARU RST conventions) clearly separate from how the term is actually used in everyday amateur operating. The two often diverge — QRP is formally just "decrease power," but names a whole low-power operating culture in practice.

Scope: Phase 1

This first phase covers the core operating vocabulary: the most common Q-codes, CW abbreviations, procedural prosigns, RST reporting, and a Morse reference — with universal Thai/English search, dedicated pages per entry, related-entry cross-links, and side-by-side comparison pages for commonly confused pairs (QRM vs QRN, K vs KN, AR vs SK, and more).

Sources

Formal meanings are summarized from the ITU Radio Regulations Q-code appendix, ARRL's standard CW operating abbreviations, and the IARU RST reporting system. Amateur-usage notes reflect common operating practice within the community rather than a single citable standard. Each entry lists its source category; entries without a specific external link are marked as such rather than pointing to an unverified URL.

Thai translations

Thai text aims for natural technical usage rather than literal word-for-word translation. Entries with genuine translation uncertainty are marked under review on their page.

Part of HS8AC

This library is maintained alongside the rest of the HS8AC association's online services. See hs8ac.com for the main site.