hzeller/txtempus
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A DCF77, WWVB, JJY and MSF clock LF-band signal transmitter using the Raspberry Pi
10 mentions on Hacker News by 6 people: 1 story, 9 comments · first 2021-06-30 · latest 2026-08-07
20082026
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…their window blinds for syncing to work reliably. I even looked into hacking my own transmitter ( https://github.com/hzeller/txtempus ) before giving up and just buying one of the models with bluetooth phone sync.
comment by ncruces · 2026-08-07 · in Atomic Clocks -
…https://github.com/tanvach/clocksync https://github.com/kangtastic/timestation https://github.com/hzeller/txtempus WVB: A Tiny WWVB Station - https://news.ycombinator.com/item?id=13258631 - December 2016 (49 comments) https://hn.algolia.
comment by toomuchtodo · 2026-07-27 · in I wanted a clock that never needed setting. Things escalated -
You can use one of these to act as a local personal WWVB station amongst other things. See https://github.com/hzeller/txtempus and https://github.com/GOTO-GOSUB/Txtempus-Passive-Antenna
comment by newman314 · 2026-02-05 · in Making Ferrite Core Inductors at Home -
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Txtempus: Radio time station transmitter using the Raspberry Pistory by beala · 2025-12-22 · 0 comments
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…If not, maybe txtempus[1] and a Raspberry Pi Zero W can help. Or pico_dcf77_tx[2] and a Pico W. 1: https://github.com/hzeller/txtempus 2: https://github.com/elehobica/pico_dcf77_tx
comment by aftbit · 2024-06-12 · in Some people with insomnia think they're awake when they're asleep -
Related thread with local transmitters of time signal: https://news.ycombinator.com/item?id=27769403 https://github.com/hzeller/txtempus (A DCF77, WWVB, JJY and MSF clock LF-band signal transmitter using the Raspberry Pi) ios and mac app:…
comment by toomuchtodo · 2023-08-16 · in Casio G-Shock time sync radio -
Something that might be of interest: https://github.com/hzeller/txtempus I live in an area without decent WWVB reception. So one of these days, my plan is to build a house range WWVB antenna so that I can get all the radio clocks in my…
comment by newman314 · 2022-02-20 · in How Does NTP (Network Time Protocol) Work? -
https://github.com/hzeller/txtempus I made one for my Citizen RF synced watch. It works.
comment by ggm · 2021-08-11 · in The Raspberry Pi as a Stratum-1 NTP Server (2012) -
…a transmitter and may breach local RF regulations) We're outside the footprint of jjy, wwvb or dcf https://github.com/hzeller/txtempus
comment by ggm · 2021-07-08 · in Receiving the WWVB time signal in Portugal (by accident)