Skip to content

▲

View the Live Feed →
S.I.E.R.R.A — Signal Integrity & Emergency Radio Response Alliance
  • Home
  • Live Feed
  • Mesh
  • Blog
  • About
  • Contact
Donate
10:56:50PT
News & Notes

The archive.

Every post, by year and month.

← Latest Posts

2026

September

  • Antenna height beats power in the foothills
  • When two mesh radios talk at once
  • How to be sure an emergency alert reaches you

August

  • A household plan for when cell service drops
  • How ham radio joins a county's response
  • Setting up a weather radio for the foothills
  • Why GMRS repeaters are kept local
  • How to read a Red Flag Warning
  • What the MeshCore trademark fight can't touch

July

  • S.I.E.R.R.A Applies for Calaveras Grant
  • What a fire-country radio net needs to work
  • Cell towers have a backup power deadline
  • Find your evacuation zone before you need it
  • Priest and Landrum fires, contained
  • What MeshCore 1.16 means for solar relay sites
  • What this blog is for
S.I.E.R.R.ASignal Integrity & Emergency Radio Response Alliance

Signal Integrity & Emergency Radio Response Alliance

P.O. Box 2071, Murphys, CA 95247

Registered California nonprofit public benefit corporation · Entity No. B2026028525

Site

  • Home
  • Live Feed
  • Mesh
  • Blog
  • About
  • Contact
  • Donate

Resources

  • NWS Sacramento
  • CAL FIRE
  • USGS Earthquakes

S.I.E.R.R.A is a volunteer organization, not an emergency dispatch service. In a life-threatening emergency, call 911.

© 2026 S.I.E.R.R.A. Established 2026.

Signal Integrity & Emergency Radio Response Alliance