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View Nina Terrace Communications Manual (PDF )
Living in the Santa Cruz mountains comes with a variety of hazards. One of the hazards being loss of communications. We will discuss in this document how to communicate with neighbors and family if there is a breakdown in the cellular system or the land line telephone system.
A local community radio communication system is an ideal community managed solution but does come with some challenges considering our heavy tree cover and rugged terrain.
We have deployed two overlapping systems with plans for expansion. The two systems cover these functions:
Voice: General Mobile Radio System (GMRS) allows voice communications with over a mile range that is extended with repeaters. The system is inexpensive and easy to use.
Text: Meshtastic is an ad hoc communication system using the LoRa 902MHz to 928MHz band with signal encoding such that it has exceptional range and noise immunity. The Mestastic system sends and receives text messages with an app on your phone or computer much like how you would typically send text messages.
>>> Contact us if you are interested in joining the Comms Group!
Nina Terrace Emergency Communication Plan
Nina Terrace Emergency Communication Plan
Used to provide a simple, reliable way for neighbors to communicate during emergencies when cell service, internet, or power may be unavailable.
Used to provide a simple, reliable way for neighbors to communicate during emergencies when cell service, internet, or power may be unavailable.
Primary System
GMRS radios for voice communication
Neighborhood repeater for extended range
Optional: Meshtastic for text-based messaging
Channel Plan
Primary Channel: ______ (community-wide communication)
Secondary Channel: ______ (overflow or coordination)
Zone Channels (if used): ______
Call Format
Identify who you are calling: “Nina Terrace, this is [Name/Call Sign]”
State your location: “Zone __ / street name”
Keep it brief: status or request
Neighborhood Structure
Zones: Organized by location (see map)
Zone Leads: 1–2 per zone
Communications Coordinator: oversees system and updates
Roles
Zone Leads: Check in with nearby households and report status
Residents: Monitor radio, respond if able
Coordinator: Share updates and maintain communication flow
During an Event
Monitor the primary channel
Check in when safe to do so
Share clear, relevant information only
Keep transmissions short
Avoid overuse of the channel
Monthly Check-In
Brief radio check (5–10 minutes)
Confirm radios are working and charged
Practice basic communication
Preparedness Basics
Keep radio charged and accessible
Know your zone and nearest neighbors
Keep a printed contact list and map
Store backup batteries or charging options
Guidelines
Keep communication calm and direct
Do not rely on one system alone
Use the radio only when needed during an incident
Purpose
We are forming a small, reliable neighborhood communications group for use during power outages, wildfire events, and other emergencies. GMRS radios function independently of cell towers and internet service, allowing communication when traditional systems are unavailable.
This workshop is for neighbors with genuine interest in participating.
Workshop Overview
• Small group (goal: 6–10 households)
• Hands-on instruction using GMRS radios
• Radios programmed specifically for Nina Terrace
• Connected to a neighborhood repeater
• Live practice transmitting and receiving messages
• Simplified quick-reference guide provided
Participant Requirements
Participants must be willing to:
• Purchase at least one $50 radio per household
• Obtain a $35 FCC GMRS Family License (valid for 10 years, covers all family members, no test required)
• Participate in voluntary monthly radio check-ins
• Use the radio periodically to maintain readiness and confidence
Why Monthly Check-Ins Matter
• Confirm batteries are charged
• Test transmission distance within the neighborhood
• Maintain comfort using the radio
• Troubleshoot and learn as a group
Commitment Structure
$25 commitment fee to attend
We will:
• Purchase a radio for your use during the workshop
• Program it for Nina Terrace channels
• Connect it to the neighborhood repeater
• Provide hands-on instruction
At the end of the workshop:
• Pay the remaining $25 to keep your programmed radio (total radio cost approximately $50), or
• Return the radio and receive your $25 refunded
Total Estimated Investment
• $50 radio
• $35 FCC license (10 years)
Total: $85 per household
Goal
To eliminate hesitation, build confidence, and create a dependable communications network within Nina Terrace.
Please register only if you are prepared to participate.
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