SkookumLogger v4.2 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 4.2 2023-10-02


  • Yaesu FT-710 and Tx500 radios.
  • Allow § (option-6) as a Special Key.
  • Version 2 of Magic Message uses the return key as trigger, enabled when return is assigned as the Special Key for Magic Message. See the Guide.
  • Audio Event recordings now include a .cue file.
  • Click on the Audio Recording status indicator opens the window.
  • QSO Status Information displays in the Log Window are selectable so that they can be defined as Voice Over hotspots. Thanks AI7SK.


  • Added device ID to Audio Source names. Thanks W6FB.
  • Time Tracker “not in contest period” status is cleared when in the contest period.


  • Magic Message was logging twice when the MagicMessagePounceFinish message was not empty.
  • Audio recordings for QSOs were sometimes corrupted.
  • QSOs weren’t per-mode in the RSGB 80m Autumn Data contests.
  • Crash when changing logs when Audio Recording was enabled and the window hadn’t been opened.

Changes in version 4.1 which was released 2023-09-03


  • SkookumLogger now has a presence on
  • Added Memorial OK1WC (MWC) Contest, in the Other I-O group.
  • Built-in Audio Recording, with three kinds of recorders for capturing contest QSOs, capturing an entire contest, and capturing arbitrary snippets. See the revised Audio Recording chapter in the Guide.
  • Added a bottom bar to the Log window, with status indicators for important items like radios and SkookumNet, and an animated recording indicator.
  • Added list of default shortcuts to Guide.


  • Concealed UI and code related to WRTC 2022 QSO Broadcast.
  • Clarified documentation in the Guide regarding SQ and X-QSO. Thanks W6FB.
  • Revised the Guide discussion of WinKeyer and emulations, and updated the Log Window Components discussion in the Log Window chapter to cover the new bottom bar.


  • Sending QTCs was causing sporadic crashes. Thanks KA1IS.
  • Multipliers weren’t per-band in Hawaii QSO Party Outside. Thanks W2RU.
  • KPA1500 Wake-on-LAN wasn’t waking the amplifier.
  • Practice mode search and pounce with Phantom radio was changing RIT offset. Thanks AI6W.

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