Packet #40708009 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: 40708009
Mesh Packet ID: 0xab5b5265
Used for correlation across gateways
Timestamp: 2026-05-19 08:40:36 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: -77 dBm
SNR: 6.75 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:10.7%
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 -77.0 dBm
Signal strength at gateway
int32
rx_snr 6.75 dB
Signal quality at gateway
float
rx_time 1779180035
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 1779180036.9872806
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: -77.0 dBm
SNR: 6.75 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": 1779180026, "device_metrics": { "battery_level": 101, "voltage": 4.305, "channel_utilization": 10.748334, "air_util_tx": 0.70655555, "uptime_seconds": 157339 } }
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": 2874888805, "rx_time": 1779180035, "rx_snr": 6.75, "rx_rssi": -77, "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": "0dfa210c6a12150865158fc289401d2df92b4125d3e0343f289bcd09", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "time": 1779180026, "device_metrics": { "battery_level": 101, "voltage": 4.305, "channel_utilization": 10.748334, "air_util_tx": 0.70655555, "uptime_seconds": 157339 }, "type": "protobuf", "portnum": "TELEMETRY_APP", "message_class": "Telemetry" } } } }
Raw Packet Data (28 bytes)
0dfa210c6a12150865158fc289401d2df92b4125d3e0343f289bcd09
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
-77.0 dBm 6.75 dB 1 - ShortFast 2026-05-19 08:40:36 UTC Current
❄ qcmesh.net 1130 (1130) -1.136s
Before
-77.0 dBm 6.75 dB 1 - LongFast 2026-05-19 08:40:35 UTC View
❄ qcmesh.net 1130 (1130) -1.114s
Before
-77.0 dBm 6.75 dB 1 - LongFast 2026-05-19 08:40:35 UTC View
❄ qcmesh.net 1130 (1130) -1.048s
Before
-77.0 dBm 6.75 dB 1 - LongFast 2026-05-19 08:40:35 UTC View
❄ qcmesh.net 1130 (1130) -1.011s
Before
-77.0 dBm 6.75 dB 1 - LongFast 2026-05-19 08:40:35 UTC View
❄ qcmesh.net 1130 (1130) -0.951s
Before
-77.0 dBm 6.75 dB 1 - LongFast 2026-05-19 08:40:36 UTC View
❄ qcmesh.net 1130 (1130) -0.929s
Before
-77.0 dBm 6.75 dB 1 - LongFast 2026-05-19 08:40:36 UTC View
❄ qcmesh.net 1130 (1130) -0.908s
Before
-77.0 dBm 6.75 dB 1 - LongFast 2026-05-19 08:40:36 UTC View
❄ qcmesh.net 1130 (1130) -0.886s
Before
-77.0 dBm 6.75 dB 1 - LongFast 2026-05-19 08:40:36 UTC View
❄ qcmesh.net 1130 (1130) -0.840s
Before
-77.0 dBm 6.75 dB 1 - LongFast 2026-05-19 08:40:36 UTC View
❄ qcmesh.net 1130 (1130) -0.803s
Before
-77.0 dBm 6.75 dB 1 - LongFast 2026-05-19 08:40:36 UTC View
❄ qcmesh.net 1130 (1130) -0.779s
Before
-77.0 dBm 6.75 dB 1 - LongFast 2026-05-19 08:40:36 UTC View
❄ qcmesh.net 1130 (1130) -0.756s
Before
-77.0 dBm 6.75 dB 1 - MediumFast 2026-05-19 08:40:36 UTC View
❄ qcmesh.net 1130 (1130) -0.723s
Before
-77.0 dBm 6.75 dB 1 - MediumFast 2026-05-19 08:40:36 UTC View
❄ qcmesh.net 1130 (1130) -0.690s
Before
-77.0 dBm 6.75 dB 1 - MediumFast 2026-05-19 08:40:36 UTC View
❄ qcmesh.net 1130 (1130) -0.643s
Before
-77.0 dBm 6.75 dB 1 - MediumFast 2026-05-19 08:40:36 UTC View
❄ qcmesh.net 1130 (1130) -0.619s
Before
-77.0 dBm 6.75 dB 1 - MediumFast 2026-05-19 08:40:36 UTC View
❄ qcmesh.net 1130 (1130) -0.582s
Before
-77.0 dBm 6.75 dB 1 - MediumFast 2026-05-19 08:40:36 UTC View
❄ qcmesh.net 1130 (1130) -0.549s
Before
-77.0 dBm 6.75 dB 1 - MediumFast 2026-05-19 08:40:36 UTC View
❄ qcmesh.net 1130 (1130) -0.504s
Before
-77.0 dBm 6.75 dB 1 - MediumFast 2026-05-19 08:40:36 UTC View
❄ qcmesh.net 1130 (1130) -0.469s
Before
-77.0 dBm 6.75 dB 1 - MediumFast 2026-05-19 08:40:36 UTC View
❄ qcmesh.net 1130 (1130) -0.391s
Before
-77.0 dBm 6.75 dB 1 - MediumFast 2026-05-19 08:40:36 UTC View
❄ qcmesh.net 1130 (1130) -0.347s
Before
-77.0 dBm 6.75 dB 1 - MediumFast 2026-05-19 08:40:36 UTC View
❄ qcmesh.net 1130 (1130) -0.325s
Before
-77.0 dBm 6.75 dB 1 - ShortFast 2026-05-19 08:40:36 UTC View
❄ qcmesh.net 1130 (1130) -0.290s
Before
-77.0 dBm 6.75 dB 1 - ShortFast 2026-05-19 08:40:36 UTC View
❄ qcmesh.net 1130 (1130) -0.229s
Before
-77.0 dBm 6.75 dB 1 - ShortFast 2026-05-19 08:40:36 UTC View
❄ qcmesh.net 1130 (1130) -0.195s
Before
-77.0 dBm 6.75 dB 1 - ShortFast 2026-05-19 08:40:36 UTC View
❄ qcmesh.net 1130 (1130) -0.162s
Before
-77.0 dBm 6.75 dB 1 - ShortFast 2026-05-19 08:40:36 UTC View
❄ qcmesh.net 1130 (1130) -0.104s
Before
-77.0 dBm 6.75 dB 1 - ShortFast 2026-05-19 08:40:36 UTC View
❄ qcmesh.net 1130 (1130) -0.068s
Before
-77.0 dBm 6.75 dB 1 - ShortFast 2026-05-19 08:40:36 UTC View
❄ qcmesh.net 1130 (1130) -0.045s
Before
-77.0 dBm 6.75 dB 1 - ShortFast 2026-05-19 08:40:36 UTC View
❄ qcmesh.net 1130 (1130) -0.021s
Before
-77.0 dBm 6.75 dB 1 - ShortFast 2026-05-19 08:40:36 UTC View
❄ qcmesh.net 1130 (1130) +0.021s
After
-77.0 dBm 6.75 dB 1 - ShortFast 2026-05-19 08:40:37 UTC View
❄ qcmesh.net 1130 (1130) +0.054s
After
-77.0 dBm 6.75 dB 1 - ShortTurbo 2026-05-19 08:40:37 UTC View
❄ qcmesh.net 1130 (1130) +0.077s
After
-77.0 dBm 6.75 dB 1 - ShortTurbo 2026-05-19 08:40:37 UTC View
❄ qcmesh.net 1130 (1130) +0.101s
After
-77.0 dBm 6.75 dB 1 - ShortTurbo 2026-05-19 08:40:37 UTC View
❄ qcmesh.net 1130 (1130) +0.129s
After
-77.0 dBm 6.75 dB 1 - ShortTurbo 2026-05-19 08:40:37 UTC View
❄ qcmesh.net 1130 (1130) +0.152s
After
-77.0 dBm 6.75 dB 1 - ShortTurbo 2026-05-19 08:40:37 UTC View
❄ qcmesh.net 1130 (1130) +0.187s
After
-77.0 dBm 6.75 dB 1 - ShortTurbo 2026-05-19 08:40:37 UTC View
❄ qcmesh.net 1130 (1130) +0.209s
After
-77.0 dBm 6.75 dB 1 - ShortTurbo 2026-05-19 08:40:37 UTC View
❄ qcmesh.net 1130 (1130) +0.230s
After
-77.0 dBm 6.75 dB 1 - ShortTurbo 2026-05-19 08:40:37 UTC View
❄ qcmesh.net 1130 (1130) +0.266s
After
-77.0 dBm 6.75 dB 1 - ShortTurbo 2026-05-19 08:40:37 UTC View
❄ qcmesh.net 1130 (1130) +0.289s
After
-77.0 dBm 6.75 dB 1 - ShortTurbo 2026-05-19 08:40:37 UTC View
❄ qcmesh.net 1130 (1130) +0.312s
After
-77.0 dBm 6.75 dB 1 - ShortTurbo 2026-05-19 08:40:37 UTC View
❄ qcmesh.net 1130 (1130) +0.336s
After
-77.0 dBm 6.75 dB 1 - LongFast 2026-05-19 08:40:37 UTC View
45

Total Receptions

1

Unique Gateways