Packet #40723329 Success

TELEMETRY_APP packet from VE2DID a540 (2DID) to !ffffffff

45
Total Receptions
1
Unique Gateways
1
Hop Count
28
Payload Bytes
Packet Information
Database ID: 40723329
Mesh Packet ID: 0x409cb696
Used for correlation across gateways
Timestamp: 2026-05-19 09:22:45 UTC
From Node: VE2DID a540 (2DID)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: TELEMETRY_APP
Port: 67
Gateway: ❄ qcmesh.net 1130 (1130)
Channel: ShortFast
RSSI: -78 dBm
SNR: -7.75 dBm
Hop Info: 1/3 hops
Start: 3, Limit: 2
Relay Node: None
Payload Data
Protocol: TELEMETRY_APP
Size: 28 bytes
Decoded: Yes
Decoded Data:
Device Metrics:
Battery:101%
Voltage:4.30 V
Channel Usage:7.3%
Air Util TX:0.7%
Raw Packet Analysis
Complete field breakdown and MQTT privacy/exposure analysis
Packet Structure
MQTT Packet Flow:
ServiceEnvelope (MQTT layer) → MeshPacket (Mesh layer) → Decoded Payload (Application data)
Total Size:28 bytes
Gateway:!a20a1130
Channel:ShortFast
Payload Type:TELEMETRY_APP
Hop Count:1 / 3
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: ShortFast
+ 1 more...
Exposure Risks:
⚠ Visible to all nodes on channel
⚠ Packet visible to MQTT subscribers
+ 2 more...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !a20a1130
Node ID format
channel_id ShortFast
packet MeshPacket (28 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 1770366272
Source node ID
uint32
to 4294967295 (Broadcast)
Visible to all nodes
uint32
decoded.portnum 67
TELEMETRY_APP
enum
decoded.payload_length 28 bytes size
hop_limit 2
Remaining hops allowed
uint32
hop_start 3
Initial hop limit
uint32
hops_taken 1
Calculated: hop_start - hop_limit
derived
rx_rssi -78.0 dBm
Signal strength at gateway
int32
rx_snr -7.75 dB
Signal quality at gateway
float
rx_time 1779182564
Receive timestamp
fixed32
via_mqtt False
Direct LoRa transmission
bool
want_ack False
No ACK requested
bool
priority Not set enum
delayed Not set enum
channel Not set uint32
pki_encrypted False
Standard encryption
bool
next_hop Not set uint32
relay_node Not set uint32
tx_after Not set uint32
timestamp 1779182565.1784441
Unix timestamp
uint32
MQTT Privacy & Exposure Analysis

Analysis of privacy features and exposure risks when packet is shared via MQTT

Exposure Level: Broadcast
Privacy Features:
  • ✓ Direct LoRa transmission (not via MQTT)
  • ✓ Custom channel: ShortFast
  • ✓ Gateway node ID tracked
Exposure Risks:
  • ⚠ Visible to all nodes on channel
  • ⚠ Packet visible to MQTT subscribers
  • ⚠ Multi-hop path visible (1 hops)
  • ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !a20a1130
Signal Metrics: RSSI: -78.0 dBm
SNR: -7.75 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:TELEMETRY_APP
Size:28 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "time": 1779182546, "device_metrics": { "battery_level": 101, "voltage": 4.304, "channel_utilization": 7.2733335, "air_util_tx": 0.70500004, "uptime_seconds": 159859 } }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!a20a1130", "channel_id": "ShortFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 1770366272, "to": 4294967295, "id": 1084012182, "rx_time": 1779182564, "rx_snr": -7.75, "rx_rssi": -78, "hop_limit": 2, "hop_start": 3, "via_mqtt": false, "want_ack": false, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": false, "next_hop": 0, "relay_node": 0, "tx_after": 0, "decoded": { "portnum": 67, "payload": "0dd22b0c6a12150865155eba89401d26bfe84025e27a343f28f3e009", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "time": 1779182546, "device_metrics": { "battery_level": 101, "voltage": 4.304, "channel_utilization": 7.2733335, "air_util_tx": 0.70500004, "uptime_seconds": 159859 }, "type": "protobuf", "portnum": "TELEMETRY_APP", "message_class": "Telemetry" } } } }
Raw Packet Data (28 bytes)
0dd22b0c6a12150865155eba89401d26bfe84025e27a343f28f3e009
Hex Analysis:
Size:28 bytes
Format:Protobuf (Protocol Buffers)
Encoding:Binary with varint and length-delimited fields
This is the raw protobuf-encoded payload as received from MQTT. The structure follows the Meshtastic protobuf schema definitions.
All Receptions
All gateways that received this packet
Correlation: Using Mesh Packet ID
Reception Locations
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Loading reception map...

Map shows gateway locations that received this packet. Hop counts are displayed if available.
Gateway Time Offset RSSI SNR Hops Relay Channel Timestamp Actions
❄ qcmesh.net 1130 (1130) Primary 0.000s
Reference
-78.0 dBm -7.75 dB 1 - ShortFast 2026-05-19 09:22:45 UTC Current
❄ qcmesh.net 1130 (1130) -0.683s
Before
-78.0 dBm -7.75 dB 1 - LongFast 2026-05-19 09:22:44 UTC View
❄ qcmesh.net 1130 (1130) -0.659s
Before
-78.0 dBm -7.75 dB 1 - LongFast 2026-05-19 09:22:44 UTC View
❄ qcmesh.net 1130 (1130) -0.635s
Before
-78.0 dBm -7.75 dB 1 - LongFast 2026-05-19 09:22:44 UTC View
❄ qcmesh.net 1130 (1130) -0.611s
Before
-78.0 dBm -7.75 dB 1 - LongFast 2026-05-19 09:22:44 UTC View
❄ qcmesh.net 1130 (1130) -0.588s
Before
-78.0 dBm -7.75 dB 1 - LongFast 2026-05-19 09:22:44 UTC View
❄ qcmesh.net 1130 (1130) -0.565s
Before
-78.0 dBm -7.75 dB 1 - LongFast 2026-05-19 09:22:44 UTC View
❄ qcmesh.net 1130 (1130) -0.542s
Before
-78.0 dBm -7.75 dB 1 - LongFast 2026-05-19 09:22:44 UTC View
❄ qcmesh.net 1130 (1130) -0.520s
Before
-78.0 dBm -7.75 dB 1 - LongFast 2026-05-19 09:22:44 UTC View
❄ qcmesh.net 1130 (1130) -0.495s
Before
-78.0 dBm -7.75 dB 1 - LongFast 2026-05-19 09:22:44 UTC View
❄ qcmesh.net 1130 (1130) -0.470s
Before
-78.0 dBm -7.75 dB 1 - LongFast 2026-05-19 09:22:44 UTC View
❄ qcmesh.net 1130 (1130) -0.445s
Before
-78.0 dBm -7.75 dB 1 - LongFast 2026-05-19 09:22:44 UTC View
❄ qcmesh.net 1130 (1130) -0.421s
Before
-78.0 dBm -7.75 dB 1 - MediumFast 2026-05-19 09:22:44 UTC View
❄ qcmesh.net 1130 (1130) -0.399s
Before
-78.0 dBm -7.75 dB 1 - MediumFast 2026-05-19 09:22:44 UTC View
❄ qcmesh.net 1130 (1130) -0.376s
Before
-78.0 dBm -7.75 dB 1 - MediumFast 2026-05-19 09:22:44 UTC View
❄ qcmesh.net 1130 (1130) -0.354s
Before
-78.0 dBm -7.75 dB 1 - MediumFast 2026-05-19 09:22:44 UTC View
❄ qcmesh.net 1130 (1130) -0.331s
Before
-78.0 dBm -7.75 dB 1 - MediumFast 2026-05-19 09:22:44 UTC View
❄ qcmesh.net 1130 (1130) -0.305s
Before
-78.0 dBm -7.75 dB 1 - MediumFast 2026-05-19 09:22:44 UTC View
❄ qcmesh.net 1130 (1130) -0.279s
Before
-78.0 dBm -7.75 dB 1 - MediumFast 2026-05-19 09:22:44 UTC View
❄ qcmesh.net 1130 (1130) -0.256s
Before
-78.0 dBm -7.75 dB 1 - MediumFast 2026-05-19 09:22:44 UTC View
❄ qcmesh.net 1130 (1130) -0.232s
Before
-78.0 dBm -7.75 dB 1 - MediumFast 2026-05-19 09:22:44 UTC View
❄ qcmesh.net 1130 (1130) -0.209s
Before
-78.0 dBm -7.75 dB 1 - MediumFast 2026-05-19 09:22:44 UTC View
❄ qcmesh.net 1130 (1130) -0.187s
Before
-78.0 dBm -7.75 dB 1 - MediumFast 2026-05-19 09:22:44 UTC View
❄ qcmesh.net 1130 (1130) -0.165s
Before
-78.0 dBm -7.75 dB 1 - ShortFast 2026-05-19 09:22:45 UTC View
❄ qcmesh.net 1130 (1130) -0.144s
Before
-78.0 dBm -7.75 dB 1 - ShortFast 2026-05-19 09:22:45 UTC View
❄ qcmesh.net 1130 (1130) -0.119s
Before
-78.0 dBm -7.75 dB 1 - ShortFast 2026-05-19 09:22:45 UTC View
❄ qcmesh.net 1130 (1130) -0.094s
Before
-78.0 dBm -7.75 dB 1 - ShortFast 2026-05-19 09:22:45 UTC View
❄ qcmesh.net 1130 (1130) -0.069s
Before
-78.0 dBm -7.75 dB 1 - ShortFast 2026-05-19 09:22:45 UTC View
❄ qcmesh.net 1130 (1130) -0.045s
Before
-78.0 dBm -7.75 dB 1 - ShortFast 2026-05-19 09:22:45 UTC View
❄ qcmesh.net 1130 (1130) -0.023s
Before
-78.0 dBm -7.75 dB 1 - ShortFast 2026-05-19 09:22:45 UTC View
❄ qcmesh.net 1130 (1130) +0.022s
After
-78.0 dBm -7.75 dB 1 - ShortFast 2026-05-19 09:22:45 UTC View
❄ qcmesh.net 1130 (1130) +0.044s
After
-78.0 dBm -7.75 dB 1 - ShortFast 2026-05-19 09:22:45 UTC View
❄ qcmesh.net 1130 (1130) +0.069s
After
-78.0 dBm -7.75 dB 1 - ShortFast 2026-05-19 09:22:45 UTC View
❄ qcmesh.net 1130 (1130) +0.095s
After
-78.0 dBm -7.75 dB 1 - ShortTurbo 2026-05-19 09:22:45 UTC View
❄ qcmesh.net 1130 (1130) +0.119s
After
-78.0 dBm -7.75 dB 1 - ShortTurbo 2026-05-19 09:22:45 UTC View
❄ qcmesh.net 1130 (1130) +0.150s
After
-78.0 dBm -7.75 dB 1 - ShortTurbo 2026-05-19 09:22:45 UTC View
❄ qcmesh.net 1130 (1130) +0.172s
After
-78.0 dBm -7.75 dB 1 - ShortTurbo 2026-05-19 09:22:45 UTC View
❄ qcmesh.net 1130 (1130) +0.195s
After
-78.0 dBm -7.75 dB 1 - ShortTurbo 2026-05-19 09:22:45 UTC View
❄ qcmesh.net 1130 (1130) +0.218s
After
-78.0 dBm -7.75 dB 1 - ShortTurbo 2026-05-19 09:22:45 UTC View
❄ qcmesh.net 1130 (1130) +0.241s
After
-78.0 dBm -7.75 dB 1 - ShortTurbo 2026-05-19 09:22:45 UTC View
❄ qcmesh.net 1130 (1130) +0.266s
After
-78.0 dBm -7.75 dB 1 - ShortTurbo 2026-05-19 09:22:45 UTC View
❄ qcmesh.net 1130 (1130) +0.291s
After
-78.0 dBm -7.75 dB 1 - ShortTurbo 2026-05-19 09:22:45 UTC View
❄ qcmesh.net 1130 (1130) +0.315s
After
-78.0 dBm -7.75 dB 1 - ShortTurbo 2026-05-19 09:22:45 UTC View
❄ qcmesh.net 1130 (1130) +0.340s
After
-78.0 dBm -7.75 dB 1 - ShortTurbo 2026-05-19 09:22:45 UTC View
❄ qcmesh.net 1130 (1130) +0.362s
After
-78.0 dBm -7.75 dB 1 - LongFast 2026-05-19 09:22:45 UTC View
45

Total Receptions

1

Unique Gateways