BI4OAE — Amateur Radio Knowledge

Operated by BI4OAE · Class C amateur radio licence · Shandong, China (ITU Region 3, zone 4)

Practical, no-fluff guides for shortwave and HF operators: band plans, propagation windows, digital modes (FT8 / JS8Call / SSTV), antenna building notes and rig comparisons. Everything here is written from real on-air experience rather than paraphrased manuals.

Latest articles

• Welcome to the BI4OAE English Edition
  2026-10-17 · Site

  The English edition of bi4oae.top — amateur radio knowledge, guides and tools by BI4OAE.

中文归档

80 Chinese articles from the original edition of this site are archived under /zh/, with full hreflang isolation from the English pages.