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Nodes

Nodes lists the other devices the badge has received packets from. Each row’s first line shows the node name, the last signal-to-noise ratio, and how long ago it was last heard. If the node has sent telemetry, the battery level is added to the end of that line.

A node appears here after the badge decodes a packet from it, which includes its NodeInfo broadcast. The name is the long name from NodeInfo when available, otherwise the short name, otherwise the node id in !aabbccdd form.

When a node has shared its position, a second line shows its reported coordinates next to a GPS marker. This appears whether or not the badge itself has a fix.

When the badge also has its own GPS fix, that line gains the distance to the node and the bearing as degrees plus a compass point, for example 1.4km 312 NW. A small needle on the right of the row points the same bearing. While you are moving the needle points relative to your direction of travel, so it shows the way to steer; when you are still it points relative to north.

Use the arrow keys to move through the list. With a node selected:

  • F1 (Message) starts a direct message to it, switching to the Messages app with that node as the recipient.
  • F2 (Track) opens the Tracker app pointed at that node, for following its live position, speed, and any temperature it reports.
  • F3 (Announ.) broadcasts this badge’s own node info immediately, so the others learn about it without waiting for the periodic announce.

The node table is held in RAM with a fixed capacity and evicts the least recently heard node when it is full.