Project Status – Hamclock Client

The Hamclock client code repository can be found here: https://github.com/openhamclock/hamclock/

The latest manual in PDF format can be accessed here: https://github.com/openhamclock/hamclock/releases/download/v4.26.0/HamClockKey.pdf

Below are all the release notes from v4.23 onwards. Earlier releases from the original author can be seen on this page.

v4.26 – 2026-06-11

• mobile dashboard on 8080:/dashboard.html
• update dxcluster connection retry
• center clicked on zoom map
• lightning uses config units
• fix DE format’s OK button broken
• fix web-3200×1920 in alpine docker
• support sys admin messages
• ensure sat tracks on top
• support 4-char grid squares
• prelim support for tropo maps

v4.25 – 2026-05-21

• improve lightning icons
• fix UA missing in lightning
• tropical cyclone feature
• support save configuration
• allow unselect all
• better missing satellite

v4.24 – 2026-05-13

• fix maidenhead conversions in REST api
• show lightning strikes on maps
• directional antennas in voacap
• highlight “now” in VOACAP DE-DX
• compile opts to set dx cluster
• exponential backoff for voacap maps

v4.23 – 2026-04-19

• fix 1-sat crash in Show planner
• better diag file posting
• show backend host/IP in status
• prevent OTA crash on long pre/suffix
• fix gpio pin for alarm
• add -T for HTTP timeout
• add T= env var for HTTP timeout
• add -S for alt software server
• add _S= env var for software server
• add _B= env var for backend server