Category Archives: Software

Merlin 8.5 (02/28/2024)

Merlin Drag Racing Software Merlin drag racing software works with Altalab Instrument weather stations AC2, AC4x, and AC4xR. 8.5 New Features: Free Texting (removed registration requirement) Added System Report function to check weather station status (4x/R). Added a Factory Calibration to protect original calibration data, allows users to change Current Calibration. Added a Restore Factory […]

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Merlin Drag Racing Software v8.3

Merlin Drag Racing Software offers flexible weather management, ET and TS prediction for multiple users. Merlin 8.3 supports weather texting and adds the capability to update the 4x and 4xR firmware over the internet. Supported for Windows 8, Windows 10, and 11.

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Com Port Solutions

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Merlin 7.6.02

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  • What Racers Say:

    "Your weatherstation has been very reliable and made life a lot simpler." Debbie Rothermel and Chuck Rothermel S/G NHRA Division 1