Weather not showing in your EFB? Here’s how to fix it.
This is the #1 reason for “no weather” reports.
FIS-B weather comes from 978 MHz ground towers. These are line-of-sight — on the ground, buildings, terrain, and hangars block the signal.
Expect: - Ground: Little or no weather - 500-1,000 ft AGL: Spotty reception - 1,000+ ft AGL: Full weather coverage
This is normal. Test weather in flight, not on the ramp.
Connect to http://192.168.10.1 while in flight.
Look for: - UAT (978) messages received — should be incrementing - FIS-B messages — indicates weather data is being received
If you see UAT messages but no weather in your app, the problem is app configuration.
Most apps require you to explicitly enable weather overlays:
| App | Where to Check |
|---|---|
| ForeFlight | Map → Layer selector → Weather layers |
| Avare | Menu → Layers |
| FlyQ | Map layers |
Verify your app shows an active Stratux/ADS-B connection. If not, reconnect to the “stratux” WiFi network.
The 978 MHz SDR (usually red-labeled) can fail: - Check status page for UAT message counts - If zero messages after extended flight at altitude, SDR may need replacement
Not all areas have FIS-B coverage: - Rural areas may have weak or no coverage - Mountains and valleys can block signals - Tower coverage map
If you’re in a known coverage area at altitude and still getting nothing, it’s likely equipment or configuration.
FIS-B weather is not real-time: - NEXRAD: 5-15 minutes old - Updates every few minutes
If weather seems “frozen,” wait a few minutes. If it never updates, check for reception issues.
Still no weather? Check the 978 message counter at 192.168.10.1 during flight. If it’s zero, visit support.crewdogelectronics.com.