Earth Shack Software — Launch Release

Built for people who need
the picture to be clear

Two purpose-built display tools. No servers. No installs. No accounts. Single HTML files that run full-screen in any modern browser.

Guardian — space weather and propagation dashboard
Guardian v1.0 · Dashboard preview
Live data. Local-first. · Windows · macOS · Linux · One-time purchase · U.S. sales only
Sentinel
v1.1 · launch

Real-time Earth and space situational awareness — clean, fast, and always-on.

Built for
Operators, educators, radio hobbyists, and anyone who wants a trusted, at-a-glance picture of what's happening on and above the Earth.
  • ISS, CSS, and two selectable amateur satellites with footprints and AOS/LOS
  • Live global earthquake feed from USGS with magnitude-scaled markers
  • Volcano overlay and tectonic plate boundaries (toggleable)
  • Real-time grayline day/night terminator
  • QTH-based local weather and alerts in station tooltip
  • CelesTrak live TLE refresh — embedded fallback when offline
  • Global city clocks with UTC reference
$34.99
One-time · instant download
Buy Sentinel →
Guardian
New
v1.0 · launch

Space weather, propagation, and signal-environment awareness in one always-on dashboard.

Built for
Operators, communicators, educators, preparedness users, and radio hobbyists who need live space-weather conditions, propagation context, and satellite timing at a single glance.
  • Full NOAA/SWPC dashboard — Kp index, SFI, solar flux, solar wind
  • IMF Bt/Bz, D-RAP, particle flux, radio blackout forecast
  • HF propagation conditions, MUF/foF2 indicators, and signal-environment context
  • Aurora status and geomagnetic activity
  • Station context with satellite tracking and AOS/LOS
  • Custom satellite entry by NORAD ID or TLE
  • Custom ticker with up to 5 live RSS/XML feeds
$49.99
One-time · instant download
Buy Guardian →
Capabilities

The right tool for your mission

Both tools run offline-first from a single HTML file. The difference is what each one was engineered to make visible.

Sentinel
Live
Earth Awareness
●USGS live earthquake feed, M1.0+ global
●USGS volcano catalog overlay (curated)
●PB2002 tectonic plate boundaries
●Real-time day/night grayline terminator
Space & Orbital
●ISS and CSS always-on tracking
●SAT1 / SAT2 selectable amateur sats
●Footprint rings, orbit trails, AOS/LOS
●CelesTrak live TLE refresh
Local Context
●QTH location — weather and alerts tooltip
●Global city clocks with UTC reference
●Feed-status line — fresh / stale / offline
Guardian
New
Space Weather Dashboard
●Kp index, G-scale, geomagnetic forecast
●Solar flux index (SFI) and sunspot count
●IMF Bt/Bz — solar wind magnetic field
●Aurora status and D-RAP absorption
●Particle flux and radio blackout forecast
Propagation & Signal Context
●HF propagation conditions table (heuristic)
●MUF / foF2 propagation indicators
●NOAA SWPC data — live refresh
Station & Custom Sources
●Station context and AOS/LOS
●Custom satellites by NORAD ID or TLE
●Custom ticker with up to 5 RSS/XML feeds
●ISS and CSS always-on tracking
The Suite
One Suite. One Ecosystem.
Endless Insight.

Each tool is independent and useful on its own. Together, they form an operational picture you can't get from any single platform — run by you, on your machine, with your data, in your browser.

🛰️
The suite is growing.

Earth Shack Software is actively developing additional tools in this ecosystem. Product updates are included for one year from purchase within the purchased version track. What you buy today is the foundation of an expanding operational picture.

Learn about our update policy →
🛡️Safety First
🎯Accuracy
👁️Transparency
🔒Privacy
⚡Performance
⚖️Accountability
✅User Focused
Start Today

Start with the tool that fits your mission.

No subscription. No account. No installation. Open the file, set your location, and you're operational in under 60 seconds.

Get Sentinel — $34.99 → Get Guardian — $49.99 → Have questions?

U.S. sales only · One-time purchase · Instant download · Free updates for 1 year