LZ2XA

Valentin Naydenov — ham radio projects

Contest Robot

robot.lz2xa.com

A full HAM-radio contest log checker — upload Cabrillo logs, cross-check QSOs between participants, score the contest and publish results.

  • Cabrillo log upload and validation
  • Automatic QSO cross-checking between participants
  • Duplicate detection per band/mode
  • Points and multiplier scoring per contest rules
  • Category-based rankings (single-op, multi-op, etc.)
  • UBN reports (Unique / Bad / Not-in-log) for every participant
  • PDF certificates for winners
  • Email confirmation flow with one-click verification
  • Public results page with operator search
  • Multi-language interface (EN / BG)
Currently set up for all Bulgarian (LZ) internal contests. A new contest can be added on request — just send us the rules.

Activators Coordination

ac.lz2xa.com

Real-time band/mode coordination for groups of activators (awards, special events, ~200 ops). Each band+mode combination is held by only one activator at a time — no overlaps.

  • Live band × mode matrix — public, no login required
  • Local Windows agent for N1MM Logger+, Log4OM and DXLog
  • Automatic QSO capture from the logger over UDP
  • Auto-detects current band, mode and frequency from the radio
  • Database-enforced single active session per band+mode (no race conditions)
  • Auto-release of abandoned sessions via heartbeat timeout
  • Operator-to-operator chat
  • DX cluster spot tracking for the event's special callsign
  • Separate logs per award; export as ADIF, Cabrillo or ZIP
  • Multi-language interface (EN / BG), dark/light theme
Designed for award sessions and group operations. Interested in using it for your own event or club? Drop us a line.