Packet #18018976 Success

TELEMETRY_APP packet from VE7MRP Repeater (7MRP) to !ffffffff

45
Total Receptions
1
Unique Gateways
1
Hop Count
28
Payload Bytes
Packet Information
Database ID: 18018976
Mesh Packet ID: 0x020f55c9
Used for correlation across gateways
Timestamp: 2026-03-27 21:40:34 UTC
From Node: VE7MRP Repeater (7MRP)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: TELEMETRY_APP
Port: 67
Gateway: VE7DCX Repeater (7DCX)
Channel: MediumFast
RSSI: -47 dBm
SNR: 6.25 dBm
Hop Info: 1/7 hops
Start: 7, Limit: 6
Relay Node: 5c v7vu
Last byte of the last hop that relayed this packet - Candidate source node(s) based on 0-hop direct receptions
Payload Data
Protocol: TELEMETRY_APP
Size: 28 bytes
Decoded: Yes
Decoded Data:
Device Metrics:
Battery:97%
Voltage:4.15 V
Channel Usage:21.3%
Air Util TX:5.3%
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:!9e779694
Channel:MediumFast
Payload Type:TELEMETRY_APP
Hop Count:1 / 7
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: MediumFast
+ 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 !9e779694
Node ID format
channel_id MediumFast
packet MeshPacket (28 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 1220004857
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 6
Remaining hops allowed
uint32
hop_start 7
Initial hop limit
uint32
hops_taken 1
Calculated: hop_start - hop_limit
derived
rx_rssi -47.0 dBm
Signal strength at gateway
int32
rx_snr 6.25 dB
Signal quality at gateway
float
rx_time 1774647633
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 92
Relay node ID
uint32
tx_after Not set uint32
timestamp 1774647634.1756802
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: MediumFast
  • ✓ 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: !9e779694
Signal Metrics: RSSI: -47.0 dBm
SNR: 6.25 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": 1774647608, "device_metrics": { "battery_level": 97, "voltage": 4.152, "channel_utilization": 21.265, "air_util_tx": 5.2815557, "uptime_seconds": 1210000 } }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!9e779694", "channel_id": "MediumFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 1220004857, "to": 4294967295, "id": 34559433, "rx_time": 1774647633, "rx_snr": 6.25, "rx_rssi": -47, "hop_limit": 6, "hop_start": 7, "via_mqtt": false, "want_ack": false, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": false, "next_hop": 0, "relay_node": 92, "tx_after": 0, "decoded": { "portnum": 67, "payload": "0d38f9c66912150861152fdd84401db81eaa41258102a9402890ed49", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "time": 1774647608, "device_metrics": { "battery_level": 97, "voltage": 4.152, "channel_utilization": 21.265, "air_util_tx": 5.2815557, "uptime_seconds": 1210000 }, "type": "protobuf", "portnum": "TELEMETRY_APP", "message_class": "Telemetry" } } } }
Raw Packet Data (28 bytes)
0d38f9c66912150861152fdd84401db81eaa41258102a9402890ed49
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
VE7DCX Repeater (7DCX) Primary 0.000s
Reference
-47.0 dBm 6.25 dB 1 5c v7vu MediumFast 2026-03-27 21:40:34 UTC Current
VE7DCX Repeater (7DCX) -0.528s
Before
-47.0 dBm 6.25 dB 1 5c v7vu LongFast 2026-03-27 21:40:33 UTC View
VE7DCX Repeater (7DCX) -0.506s
Before
-47.0 dBm 6.25 dB 1 5c v7vu LongFast 2026-03-27 21:40:33 UTC View
VE7DCX Repeater (7DCX) -0.486s
Before
-47.0 dBm 6.25 dB 1 5c v7vu LongFast 2026-03-27 21:40:33 UTC View
VE7DCX Repeater (7DCX) -0.465s
Before
-47.0 dBm 6.25 dB 1 5c v7vu LongFast 2026-03-27 21:40:33 UTC View
VE7DCX Repeater (7DCX) -0.441s
Before
-47.0 dBm 6.25 dB 1 5c v7vu LongFast 2026-03-27 21:40:33 UTC View
VE7DCX Repeater (7DCX) -0.417s
Before
-47.0 dBm 6.25 dB 1 5c v7vu LongFast 2026-03-27 21:40:33 UTC View
VE7DCX Repeater (7DCX) -0.363s
Before
-47.0 dBm 6.25 dB 1 5c v7vu LongFast 2026-03-27 21:40:33 UTC View
VE7DCX Repeater (7DCX) -0.339s
Before
-47.0 dBm 6.25 dB 1 5c v7vu LongFast 2026-03-27 21:40:33 UTC View
VE7DCX Repeater (7DCX) -0.313s
Before
-47.0 dBm 6.25 dB 1 5c v7vu LongFast 2026-03-27 21:40:33 UTC View
VE7DCX Repeater (7DCX) -0.290s
Before
-47.0 dBm 6.25 dB 1 5c v7vu LongFast 2026-03-27 21:40:33 UTC View
VE7DCX Repeater (7DCX) -0.266s
Before
-47.0 dBm 6.25 dB 1 5c v7vu LongFast 2026-03-27 21:40:33 UTC View
VE7DCX Repeater (7DCX) -0.241s
Before
-47.0 dBm 6.25 dB 1 5c v7vu MediumFast 2026-03-27 21:40:33 UTC View
VE7DCX Repeater (7DCX) -0.215s
Before
-47.0 dBm 6.25 dB 1 5c v7vu MediumFast 2026-03-27 21:40:33 UTC View
VE7DCX Repeater (7DCX) -0.177s
Before
-47.0 dBm 6.25 dB 1 5c v7vu MediumFast 2026-03-27 21:40:33 UTC View
VE7DCX Repeater (7DCX) -0.154s
Before
-47.0 dBm 6.25 dB 1 5c v7vu MediumFast 2026-03-27 21:40:34 UTC View
VE7DCX Repeater (7DCX) -0.131s
Before
-47.0 dBm 6.25 dB 1 5c v7vu MediumFast 2026-03-27 21:40:34 UTC View
VE7DCX Repeater (7DCX) -0.111s
Before
-47.0 dBm 6.25 dB 1 5c v7vu MediumFast 2026-03-27 21:40:34 UTC View
VE7DCX Repeater (7DCX) -0.089s
Before
-47.0 dBm 6.25 dB 1 5c v7vu MediumFast 2026-03-27 21:40:34 UTC View
VE7DCX Repeater (7DCX) -0.068s
Before
-47.0 dBm 6.25 dB 1 5c v7vu MediumFast 2026-03-27 21:40:34 UTC View
VE7DCX Repeater (7DCX) -0.047s
Before
-47.0 dBm 6.25 dB 1 5c v7vu MediumFast 2026-03-27 21:40:34 UTC View
VE7DCX Repeater (7DCX) -0.023s
Before
-47.0 dBm 6.25 dB 1 5c v7vu MediumFast 2026-03-27 21:40:34 UTC View
VE7DCX Repeater (7DCX) +0.023s
After
-47.0 dBm 6.25 dB 1 5c v7vu ShortFast 2026-03-27 21:40:34 UTC View
VE7DCX Repeater (7DCX) +0.045s
After
-47.0 dBm 6.25 dB 1 5c v7vu ShortFast 2026-03-27 21:40:34 UTC View
VE7DCX Repeater (7DCX) +0.066s
After
-47.0 dBm 6.25 dB 1 5c v7vu ShortFast 2026-03-27 21:40:34 UTC View
VE7DCX Repeater (7DCX) +0.089s
After
-47.0 dBm 6.25 dB 1 5c v7vu ShortFast 2026-03-27 21:40:34 UTC View
VE7DCX Repeater (7DCX) +0.110s
After
-47.0 dBm 6.25 dB 1 5c v7vu ShortFast 2026-03-27 21:40:34 UTC View
VE7DCX Repeater (7DCX) +0.132s
After
-47.0 dBm 6.25 dB 1 5c v7vu ShortFast 2026-03-27 21:40:34 UTC View
VE7DCX Repeater (7DCX) +0.158s
After
-47.0 dBm 6.25 dB 1 5c v7vu ShortFast 2026-03-27 21:40:34 UTC View
VE7DCX Repeater (7DCX) +0.183s
After
-47.0 dBm 6.25 dB 1 5c v7vu ShortFast 2026-03-27 21:40:34 UTC View
VE7DCX Repeater (7DCX) +0.208s
After
-47.0 dBm 6.25 dB 1 5c v7vu ShortFast 2026-03-27 21:40:34 UTC View
VE7DCX Repeater (7DCX) +0.235s
After
-47.0 dBm 6.25 dB 1 5c v7vu ShortFast 2026-03-27 21:40:34 UTC View
VE7DCX Repeater (7DCX) +0.257s
After
-47.0 dBm 6.25 dB 1 5c v7vu ShortFast 2026-03-27 21:40:34 UTC View
VE7DCX Repeater (7DCX) +0.281s
After
-47.0 dBm 6.25 dB 1 5c v7vu ShortTurbo 2026-03-27 21:40:34 UTC View
VE7DCX Repeater (7DCX) +0.304s
After
-47.0 dBm 6.25 dB 1 5c v7vu ShortTurbo 2026-03-27 21:40:34 UTC View
VE7DCX Repeater (7DCX) +0.332s
After
-47.0 dBm 6.25 dB 1 5c v7vu ShortTurbo 2026-03-27 21:40:34 UTC View
VE7DCX Repeater (7DCX) +0.355s
After
-47.0 dBm 6.25 dB 1 5c v7vu ShortTurbo 2026-03-27 21:40:34 UTC View
VE7DCX Repeater (7DCX) +0.380s
After
-47.0 dBm 6.25 dB 1 5c v7vu ShortTurbo 2026-03-27 21:40:34 UTC View
VE7DCX Repeater (7DCX) +0.409s
After
-47.0 dBm 6.25 dB 1 5c v7vu ShortTurbo 2026-03-27 21:40:34 UTC View
VE7DCX Repeater (7DCX) +0.435s
After
-47.0 dBm 6.25 dB 1 5c v7vu ShortTurbo 2026-03-27 21:40:34 UTC View
VE7DCX Repeater (7DCX) +0.455s
After
-47.0 dBm 6.25 dB 1 5c v7vu ShortTurbo 2026-03-27 21:40:34 UTC View
VE7DCX Repeater (7DCX) +0.476s
After
-47.0 dBm 6.25 dB 1 5c v7vu ShortTurbo 2026-03-27 21:40:34 UTC View
VE7DCX Repeater (7DCX) +0.497s
After
-47.0 dBm 6.25 dB 1 5c v7vu ShortTurbo 2026-03-27 21:40:34 UTC View
VE7DCX Repeater (7DCX) +0.518s
After
-47.0 dBm 6.25 dB 1 5c v7vu ShortTurbo 2026-03-27 21:40:34 UTC View
VE7DCX Repeater (7DCX) +0.541s
After
-47.0 dBm 6.25 dB 1 5c v7vu LongFast 2026-03-27 21:40:34 UTC View
45

Total Receptions

1

Unique Gateways