Packet #40723341 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: 40723341
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: ShortTurbo
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:ShortTurbo
Payload Type:TELEMETRY_APP
Hop Count:1 / 3
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: ShortTurbo
+ 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 ShortTurbo
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 1779182565.4693744
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: ShortTurbo
  • ✓ 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": "ShortTurbo", "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
Loading...

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 - ShortTurbo 2026-05-19 09:22:45 UTC Current
❄ qcmesh.net 1130 (1130) -0.974s
Before
-78.0 dBm -7.75 dB 1 - LongFast 2026-05-19 09:22:44 UTC View
❄ qcmesh.net 1130 (1130) -0.950s
Before
-78.0 dBm -7.75 dB 1 - LongFast 2026-05-19 09:22:44 UTC View
❄ qcmesh.net 1130 (1130) -0.926s
Before
-78.0 dBm -7.75 dB 1 - LongFast 2026-05-19 09:22:44 UTC View
❄ qcmesh.net 1130 (1130) -0.902s
Before
-78.0 dBm -7.75 dB 1 - LongFast 2026-05-19 09:22:44 UTC View
❄ qcmesh.net 1130 (1130) -0.879s
Before
-78.0 dBm -7.75 dB 1 - LongFast 2026-05-19 09:22:44 UTC View
❄ qcmesh.net 1130 (1130) -0.856s
Before
-78.0 dBm -7.75 dB 1 - LongFast 2026-05-19 09:22:44 UTC View
❄ qcmesh.net 1130 (1130) -0.833s
Before
-78.0 dBm -7.75 dB 1 - LongFast 2026-05-19 09:22:44 UTC View
❄ qcmesh.net 1130 (1130) -0.811s
Before
-78.0 dBm -7.75 dB 1 - LongFast 2026-05-19 09:22:44 UTC View
❄ qcmesh.net 1130 (1130) -0.786s
Before
-78.0 dBm -7.75 dB 1 - LongFast 2026-05-19 09:22:44 UTC View
❄ qcmesh.net 1130 (1130) -0.761s
Before
-78.0 dBm -7.75 dB 1 - LongFast 2026-05-19 09:22:44 UTC View
❄ qcmesh.net 1130 (1130) -0.736s
Before
-78.0 dBm -7.75 dB 1 - LongFast 2026-05-19 09:22:44 UTC View
❄ qcmesh.net 1130 (1130) -0.712s
Before
-78.0 dBm -7.75 dB 1 - MediumFast 2026-05-19 09:22:44 UTC View
❄ qcmesh.net 1130 (1130) -0.689s
Before
-78.0 dBm -7.75 dB 1 - MediumFast 2026-05-19 09:22:44 UTC View
❄ qcmesh.net 1130 (1130) -0.667s
Before
-78.0 dBm -7.75 dB 1 - MediumFast 2026-05-19 09:22:44 UTC View
❄ qcmesh.net 1130 (1130) -0.644s
Before
-78.0 dBm -7.75 dB 1 - MediumFast 2026-05-19 09:22:44 UTC View
❄ qcmesh.net 1130 (1130) -0.622s
Before
-78.0 dBm -7.75 dB 1 - MediumFast 2026-05-19 09:22:44 UTC View
❄ qcmesh.net 1130 (1130) -0.596s
Before
-78.0 dBm -7.75 dB 1 - MediumFast 2026-05-19 09:22:44 UTC View
❄ qcmesh.net 1130 (1130) -0.570s
Before
-78.0 dBm -7.75 dB 1 - MediumFast 2026-05-19 09:22:44 UTC View
❄ qcmesh.net 1130 (1130) -0.547s
Before
-78.0 dBm -7.75 dB 1 - MediumFast 2026-05-19 09:22:44 UTC View
❄ qcmesh.net 1130 (1130) -0.523s
Before
-78.0 dBm -7.75 dB 1 - MediumFast 2026-05-19 09:22:44 UTC View
❄ qcmesh.net 1130 (1130) -0.500s
Before
-78.0 dBm -7.75 dB 1 - MediumFast 2026-05-19 09:22:44 UTC View
❄ qcmesh.net 1130 (1130) -0.478s
Before
-78.0 dBm -7.75 dB 1 - MediumFast 2026-05-19 09:22:44 UTC View
❄ qcmesh.net 1130 (1130) -0.456s
Before
-78.0 dBm -7.75 dB 1 - ShortFast 2026-05-19 09:22:45 UTC View
❄ qcmesh.net 1130 (1130) -0.434s
Before
-78.0 dBm -7.75 dB 1 - ShortFast 2026-05-19 09:22:45 UTC View
❄ qcmesh.net 1130 (1130) -0.410s
Before
-78.0 dBm -7.75 dB 1 - ShortFast 2026-05-19 09:22:45 UTC View
❄ qcmesh.net 1130 (1130) -0.385s
Before
-78.0 dBm -7.75 dB 1 - ShortFast 2026-05-19 09:22:45 UTC View
❄ qcmesh.net 1130 (1130) -0.360s
Before
-78.0 dBm -7.75 dB 1 - ShortFast 2026-05-19 09:22:45 UTC View
❄ qcmesh.net 1130 (1130) -0.336s
Before
-78.0 dBm -7.75 dB 1 - ShortFast 2026-05-19 09:22:45 UTC View
❄ qcmesh.net 1130 (1130) -0.313s
Before
-78.0 dBm -7.75 dB 1 - ShortFast 2026-05-19 09:22:45 UTC View
❄ qcmesh.net 1130 (1130) -0.291s
Before
-78.0 dBm -7.75 dB 1 - ShortFast 2026-05-19 09:22:45 UTC View
❄ qcmesh.net 1130 (1130) -0.269s
Before
-78.0 dBm -7.75 dB 1 - ShortFast 2026-05-19 09:22:45 UTC View
❄ qcmesh.net 1130 (1130) -0.247s
Before
-78.0 dBm -7.75 dB 1 - ShortFast 2026-05-19 09:22:45 UTC View
❄ qcmesh.net 1130 (1130) -0.222s
Before
-78.0 dBm -7.75 dB 1 - ShortFast 2026-05-19 09:22:45 UTC View
❄ qcmesh.net 1130 (1130) -0.196s
Before
-78.0 dBm -7.75 dB 1 - ShortTurbo 2026-05-19 09:22:45 UTC View
❄ qcmesh.net 1130 (1130) -0.171s
Before
-78.0 dBm -7.75 dB 1 - ShortTurbo 2026-05-19 09:22:45 UTC View
❄ qcmesh.net 1130 (1130) -0.141s
Before
-78.0 dBm -7.75 dB 1 - ShortTurbo 2026-05-19 09:22:45 UTC View
❄ qcmesh.net 1130 (1130) -0.118s
Before
-78.0 dBm -7.75 dB 1 - ShortTurbo 2026-05-19 09:22:45 UTC View
❄ qcmesh.net 1130 (1130) -0.096s
Before
-78.0 dBm -7.75 dB 1 - ShortTurbo 2026-05-19 09:22:45 UTC View
❄ qcmesh.net 1130 (1130) -0.073s
Before
-78.0 dBm -7.75 dB 1 - ShortTurbo 2026-05-19 09:22:45 UTC View
❄ qcmesh.net 1130 (1130) -0.050s
Before
-78.0 dBm -7.75 dB 1 - ShortTurbo 2026-05-19 09:22:45 UTC View
❄ qcmesh.net 1130 (1130) -0.025s
Before
-78.0 dBm -7.75 dB 1 - ShortTurbo 2026-05-19 09:22:45 UTC View
❄ qcmesh.net 1130 (1130) +0.024s
After
-78.0 dBm -7.75 dB 1 - ShortTurbo 2026-05-19 09:22:45 UTC View
❄ qcmesh.net 1130 (1130) +0.049s
After
-78.0 dBm -7.75 dB 1 - ShortTurbo 2026-05-19 09:22:45 UTC View
❄ qcmesh.net 1130 (1130) +0.071s
After
-78.0 dBm -7.75 dB 1 - LongFast 2026-05-19 09:22:45 UTC View
45

Total Receptions

1

Unique Gateways