SkookumLogger v4.5 now available

Bill Myers, K1GQ has released the latest version of the contest logging software SkookumLogger for macOS.

SkookumLogger is a full-featured contest logging program suitable for the most demanding contester. It runs on MacOS, supporting single-mode and and mixed-mode events on 13 bands between 160m and 23cm.  SkookumLogger requires a K1EL WinKeyer or a YCCC SO2R Box to send CW.

Some SkookumLogger Features

  • Any number of QSOs per log
  • Two QSO entry boxes supporting interleaved SO1R, SO2V, SO2R/2BSIQ with one keyboard
  • Duplicate checking as callsigns are entered
  • Exchange Archive (personal call history file) for exchange pre-fill
  • Partial callsign matching against log, Exchange Archive, and Super Check Partials (SCP) database
  • Integrated download of the SCP and cty.dat databases
  • Integrated Cabrillo upload to support SCP
  • Separate activity table windows (like band maps) for each contest band
  • Multiplier checksheets for countries, regions, prefixes, zones, grids, other
  • Time Tracker and Rate Tracker panels
  • Score window with band breakdown and scoring for most contests
  • Bidirectional DX Cluster packet spotting interface, with skimmer and QSX support
  • CW call type-ahead and CW keyboard mode
  • Context-sensitive, queued message sending for CW, SSB (using radio DVR), FSK/PSK (using radio encoder)
  • Magic Message, like ESM with user-defined trigger key
  • Great circle maps with terminator and antenna pattern overlays
  • SkookumNet networking for multi-operator/multi-transmitter configurations
  • Amplifier standby/operate and drive power controls
  • Rotator direction display and control
  • Panadapter display with graphical known-activity overlays and radio frequency control
  • K1EL WinKeyer with KEY1/KEY2 management
  • YCCC SO2R Box+ and YCCC SO2R Mini interfaces, including their WinKeyer emulations
  • YCCC MOAS antenna switch interface
  • XK-24 Keypad interface with red/blue backlights
  • Cabrillo export for submitting log entries
  • ADIF and CSV export for moving contest QSOs to a general-purpose logger
  • Automated log submission via Apple Mail and via web browser
  • Statistics report for post-contest analysis of your contest log
  • CW Practice mode for developing your contest logging skills off the air

Changes in version 4.5 2024-03-13


  • Vermont QSO Party Outside. Thanks N9SE.
  • New England QSO Party exchange format has changed from county-state to state-county, all Connecticut county names have changed, and a new Connecticut county has been added. Thanks K1KI.


  • Moved “TS2000Tcp” to new Flex group in Radios group.
  • CW text encoding now prefers an enabled hardware keyer; was always using radio encoder when the Text Encode/Decode window was open.
  • Removed UK countries from list of European Union countries as defined for UBA contest. Thanks CT1DRB.


  • Crash when attempting to connect to Flex bridge app with a TCP address that does not respond. Thanks K3UK.
  • WinterFieldDay QSOs weren’t per band. Thanks KB6NTW.
  • Scoring was wrong for RSGB 2m FM Activity Contest.
  • RSGB AFS Data QSOs weren’t per digital mode. Thanks G0DVJ.
  • EuropeanUnionDXContestInEuropeanUnion was assigning 3 points instead of 10 points for QSOs with European Union stations. Thanks CT1DRB.
  • New bug in 4.4 was causing missing report in sent exchanges.

The latest version of SkookumLogger is available free of charge for download here or visit the App Store.