
WaveDeck Radio Watch Sync
JJY, WWVB & More Time Codes
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$0.99
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About
Radio watch struggling to receive a time signal? WaveDeck uses audio output from your iPhone, iPad or Mac to send time codes over a short distance and help compatible radio-controlled watches set the time.
Choose a time-code format your watch supports, place the watch near the speaker or a wired-headphone coil, and start manual reception on the watch. Results vary with the watch, output device, placement, volume and environment.
SIX TIME-CODE FORMATS
Supports JJY40, JJY60, BPC, WWVB, MSF and DCF77. Check your watch manual for the format it supports.
FIND YOUR WATCH SETUP
Take or choose a case-back photo. On-device text recognition reads model or movement markings and matches them against the built-in catalog. Review the candidates or search manually. Find station, city-code and placement guidance, with a suggested next step based on reception results you confirm.
SAVE SETTINGS AND HISTORY
Save the station, city code, placement and audio settings for each watch. Record transmissions and confirm the outcome, then reuse settings that worked.
NTP TIME REFERENCE
View sync status, network latency and device clock drift. Check your environment before transmitting and follow the step-by-step guide.
BEFORE YOU START
Your watch needs radio reception and support for the selected time-code format. Use the device speaker or wired headphones. Confirm successful reception on the watch itself.
One-time purchase. No subscription, ads or account required.
PRIVACY
Signal generation, watch setups and history stay on your device. Recognition photos are processed on-device and are not saved or uploaded by the app. Time-reference updates can run automatically when needed or be refreshed manually. Time services may receive requests and standard connection details such as your IP address. The app has no behavioral analytics or tracking SDKs.
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What's New in WaveDeck Radio Watch Sync
1.7
November 2, 2026
Enhanced network time sync reliability and transmission clock accuracy: introduced SNTP root distance validation and multi-source HTTPS corroboration; supports seamless in-transmission timebase rebuilding; improved macOS headphone jack detection, NAT64 fallback resolution, and Casio watch profile guidance.
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