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Subscribe to alerts

Push notifications when a station changes state — when it enters a problem (capture down, stalled output, low disk, host offline) and when it recovers. Delivered through Telegram or ntfy.

1. Choose what to watch — a handle

Subscriptions use a handle. The same handle works in either app:

HandleCovers
<group>a whole group (e.g. Dunrobin)
<station>a single camera (e.g. CAWEC2)
<prefix>a whole network — any leading 3+ characters of a station ID (CAC, USV, USC). Covers current and future stations with that prefix.

To find a handle, type it into the dashboard's filter box; it displays the handle to subscribe to.

2. Subscribe

Telegram all platforms · recommended on iOS

  1. Open a chat with @contrailcast_rms_bot.
  2. Send /subscribe <handle> (e.g. /subscribe Dunrobin).
  3. /list shows current subscriptions; /unsubscribe <handle> removes one.

ntfy Android · desktop · web · no sign-up

  1. In the ntfy app, add the server https://ntfy.contrailcast.com.
  2. Subscribe to the handle as a topic (e.g. CAC), or open https://ntfy.contrailcast.com/<handle> in a browser.

On iOS, use Telegram. ntfy's iOS notifications are relayed through Apple's push service via a rate-limited shared relay and may be delayed or dropped.

Notification behaviour

A new problem notifies immediately; a recurring or flapping one is progressively throttled. A separate notification is sent on recovery.

Notifications contain the station ID, status, and a short problem description only — no location, hostname, or disk size.

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