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// Skill profile

adsb-overhead

Name: adsb-overhead
Author: davestarling

name: adsb-overhead

by davestarling · published 2026-03-22

自定义

Total installs

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★ 0

Last updated

2026-03

// Install command

$ claw add gh:davestarling/davestarling-moltbot-adsb-overhead

View on GitHub

// Full documentation

---

name: adsb-overhead

description: Notify when aircraft are overhead within a configurable radius using a local ADS-B SBS/BaseStation feed (readsb port 30003). Use when setting up or troubleshooting plane-overhead alerts, configuring radius/home coordinates/cooldowns, or creating a Clawdbot cron watcher that sends WhatsApp notifications for nearby aircraft.

---

# adsb-overhead

Detect aircraft overhead (within a radius) from a **local readsb SBS/BaseStation TCP feed** and notify via Clawdbot messaging.

This skill is designed for a periodic checker (cron) rather than a long-running daemon.

Quick start (manual test)

1) Run the checker for a few seconds to see if it detects aircraft near you:

python3 skills/public/adsb-overhead/scripts/sbs_overhead_check.py \
  --host <SBS_HOST> --port 30003 \
  --home-lat <LAT> --home-lon <LON> \
  --radius-km 2 \
  --listen-seconds 5 \
  --cooldown-min 15

If it prints lines, those are *new* alerts (not in cooldown).

If it prints nothing, there were no new overhead aircraft during the sample window.

How it works

Connect to the SBS feed (TCP) for `--listen-seconds`.

Track latest lat/lon per ICAO hex.

Compute distance to `--home-lat/--home-lon` (Haversine).

Emit alerts for aircraft within `--radius-km` **only if** not alerted within `--cooldown-min`.

Persist state to a JSON file (default: `~/.clawdbot/adsb-overhead/state.json`).

SBS parsing assumptions are documented in: `references/sbs-fields.md`.

Create a Clawdbot watcher (cron)

Use a Clawdbot cron job to run periodically. The cron job should:

1) `exec` the script

2) If stdout is non-empty, `message.send` it via WhatsApp

Pseudocode for the agent:

Run:

- `python3 .../sbs_overhead_check.py ...`

If stdout trimmed is not empty:

- send a WhatsApp message with that text

Suggested polling intervals:

30–60 seconds is usually enough (given cooldowns)

Use `--listen-seconds 3..8` so each run can gather a few position frames

Tuning knobs

Increase `--radius-km` if you want fewer misses.

Increase `--listen-seconds` if your feed is busy but you’re missing position updates.

Use `--cooldown-min` to prevent spam (15–60 minutes recommended).

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