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S.I.E.R.R.A — Signal Integrity & Emergency Radio Response Alliance
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Support the Mission

Help keep the foothills connected.

S.I.E.R.R.A is an all-volunteer non-profit. Your support funds the solar-powered relays, radios, and training that keep neighbors and first responders connected when the grid and cell service are down.

Ways to give

Give Online

Coming soon

Online giving is being set up. [Placeholder — connect your donation platform here.]

By Mail

Mail a check payable to the Signal Integrity & Emergency Radio Response Alliance, P.O. Box 2071, Murphys, CA 95247.

Equipment & In-Kind

Radios, solar gear, antennas, and ridge-top tower space help as much as cash. Reach out via the contact page.

Tax status

S.I.E.R.R.A’s tax-exempt status and the deductibility of gifts are being finalized. [Placeholder — confirm 501(c)(3) status and add the EIN / official language before launch.]
S.I.E.R.R.ASignal Integrity & Emergency Radio Response Alliance

Signal Integrity & Emergency Radio Response Alliance

P.O. Box 2071, Murphys, CA 95247

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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