Field notes on
mesh intelligence.
MeshCore analytics, SNR, coverage, data ownership, and privacy-by-default — for the people who run the mesh.
v1.4.0: Walk the Path
Waev v1.4.0 ships path-walk for MeshCore paths, a packet archive explorer, a live packet globe, and a topology engine that proves what it draws.
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Why Radio Speaks in Decibels
Understanding dBm from first principles: where the decibel came from, why radio power is logarithmic, and the physics that sets the noise floor.
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How LoRa Mesh Routing Works
How LoRa mesh routing works in MeshCore: first contact floods through repeaters, recording each hop, then all later messages travel the cached direct path.
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v1.4.0: Walk the Path
Waev v1.4.0 ships path-walk for MeshCore paths, a packet archive explorer, a live packet globe, and a topology engine that proves what it draws.
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How Waev Names Meshes: The MeshBuilder Logic
Waev clusters nodes into meshes and names them using geographic boundaries, IATA codes, and reverse geocoding, backed by hysteresis to prevent naming churn.
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Before the Storm Makes Landfall
How to verify your mesh network's hurricane season readiness six weeks before you need it. A baseline built on a routine Tuesday is worth more than any last-minute check.
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A Mesh That Grows Block by Block
A block by block neighborhood mesh buildout works when the mesh solves a real problem for each new household that joins. Here is the pattern that holds.
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Can Waev Write to Your Broker?
Waev subscribes to your MQTT broker with read-only credentials. Writing to your broker is structurally impossible. Your ACL file enforces that limit.
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Choosing a LoRa Dev Board for MeshCore
LoRa dev board comparison for MeshCore: Heltec V3, Heltec V4, and RAK WisBlock 4631. TX power, sleep current, and the use case each handles best.
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Dedicated MeshCore Gateway or Shared?
Should your MeshCore MQTT gateway be a dedicated node or shared with a repeater? The answer depends on where your gateway needs to be, not on how many devices you own.
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Do You Need an Observer on Every Node?
The question of how many mesh observers to enroll comes down to placement, not count. One well-sited observer can give you visibility into an entire network; a dozen poorly placed ones can still leave gaps.
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Every Node Heard It Twice
Duplicate packet floods in a LoRa mesh waste airtime and hide real problems. What causes them, how MeshCore suppresses them, and how to read Live Packets.
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If the Map Shows It
An evidence-based mesh network map draws only edges it can verify: enrolled observers and authenticated repeaters. No proof, no line.
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Before the Call Comes In
A CERT mesh activation succeeds or fails based on work done weeks earlier: baselining, topology review, and SPOF identification before any incident begins.
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Heltec vs RAK for MeshCore
Heltec vs RAK for MeshCore: the WiFi LoRa 32 and the WisMesh Pocket V2 are different tools for different jobs. Here is how to pick the right one for your build.
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How MeshCore Packets Become a Live Map
How a raw MeshCore packet turns into a verified edge on Waev's Live Map: MQTT ingest, hop record parsing, and topology drawing explained.
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Mesh Radio in Your CERT EMCOMM Kit
MeshCore adds a data layer to CERT and ARES EMCOMM alongside VHF voice: messaging, node-status visibility, and a pre-activation baseline.
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How MeshCore Repeaters Earn Their Place
How MeshCore uses public-key identity and access control to authenticate repeaters, and why Waev only draws topology edges from repeaters it can verify.
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Keeping Control of Your Mesh Network
When an off-grid community builds a mesh, keeping control of the data matters as much as keeping the radios powered. Here is how BYOB makes that possible.
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Measuring Your LoRa Link Margin
Measure LoRa link margin from SNR data. Target 15–20 dB above the demodulation floor for outdoor mesh. Track trends to catch margin erosion before failure.
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Measuring SNR on a LoRa Mesh
How to measure SNR on a LoRa mesh: what the number means, where Waev surfaces it per observed link, and how to use it to find links worth fixing.
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Why the Map Comes Up Short
Mesh map missing nodes: four causes: no observer in range, node offline, privacy marker opt-out, or broken broker connection. Each has a specific fix.
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Mesh Networking at a Hamfest
Mesh networking at a hamfest puts your MeshCore observer at the center of one of the year's most radio-dense events. Here is what Waev shows you.
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Your Node Name Is a Privacy Switch
MeshCore node naming privacy markers: ⛔, 🛑, or 🚫 in a node name tell Waev's ingest edge to drop every packet before storage, mapping, or counting.
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Plan Your Grid-Down Comms Now
Grid-down communications planning requires verification, not just hardware. Check your mesh, find single points of failure, and rehearse before the incident.
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The Tabletop Before the Activation
Running a mesh network tabletop exercise reveals coverage gaps and single points of failure before the incident does.
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Same Hardware, Different Net
MeshCore and Meshtastic run on the same LoRa hardware but choose different routing models. Here is what that means for range, scale, and where each fits.
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Seeing Your First MeshCore Packet
See your first MeshCore packet in Waev's Live Packets view: what each field means, why ADVERT packets usually arrive first, and what the numbers tell you.
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Setting Up Mosquitto for MeshCore
A practical guide to Mosquitto MQTT broker setup for MeshCore: TLS on port 8883, password authentication, and an ACL that limits Waev to read-only access.
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Spoofed Node Prefix on a Mesh Map
What happens when a spoofed node prefix appears on a MeshCore mesh map, and why Waev's evidence-based topology rejects inferred edges rather than drawing them.
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Starting a Local Mesh Group
A community mesh network group starts with two or three neighbors and a shared question. The first decision isn't technical: it's who holds the data.
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The Chatty Node
How to spot and fix a chatty node on a LoRa mesh: diagnosing too-frequent adverts in Live Packets, identifying the source node, and the CLI fix.
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Three Nodes on the Air
A LoRa mesh network setup tutorial for your first three MeshCore nodes: flash firmware, configure radio settings, and confirm packets are flowing in under an hour.
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Tuning a LoRa Antenna with a NanoVNA
How to measure and interpret SWR at 915 MHz using a NanoVNA: what the numbers mean, what a well-matched LoRa antenna looks like, and what to do when the dip is at the wrong frequency.
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What a Mesh Monitor Refuses
Privacy-first mesh monitoring is about what the tool chooses not to collect. A choice made at ingest, not in a privacy policy written after the fact.
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What Is a Mesh Network Observer?
A mesh network observer is an enrolled MeshCore node bridging the radio mesh to your MQTT broker. Waev's only verified window into your network's traffic.
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What dBm Actually Measures
What is dBm? It is an absolute radio power level referenced to 1 milliwatt: the unit behind every SNR reading, transmit spec, and antenna gain calculation.
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What Is MeshCore?
What is MeshCore? Open-source LoRa firmware for off-grid multi-hop mesh networks. No internet, no account, end-to-end encrypted.
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What Is SNR in LoRa Radio?
SNR (Signal-to-Noise Ratio) is the dB margin above the noise floor. This covers what the values mean for LoRa and why negative SNR still decodes in MeshCore.
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What Data a Mesh Analytics Tool Stores
What a mesh analytics tool stores from your MeshCore network: SNR, hop count, and timing metadata only. Identity and location never enter the database.
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When the Towers Are Already Gone
Build a wildfire evacuation mesh communication plan before fire season. A mesh that doesn't exist before the fire won't exist when you need it.
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Why Mesh Packets Disappear
Four reasons a LoRa mesh packet disappears: RF margin, collision, duty-cycle hold, and coverage gap. How to tell them apart in Live Packets.
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Your Off-Grid Mesh Buildout
An off-grid mesh network buildout doesn't have to start large. A homestead or rural property can be covered with three or four well-placed nodes, one observer, and a broker you own.
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The Opinionated Mesh Analyzer
Waev is a real-time analytics platform for MeshCore mesh radio networks. Privacy by default, evidence-based topology, and a data ownership model that keeps your community's data where it belongs: with you.
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From Radio to Map
The pipeline from a radio broadcast to a verified edge on Waev's Live Map: how enrolled observers, your MQTT broker, and the ingest edge work together.
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Where Your Network Ends
A practical playbook for using Waev's Live Map, Network Stats, and packet data to locate mesh coverage gaps and decide where the next repeater belongs.
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