Packet #27781903 Success

TELEMETRY_APP packet from Karabanchel_Baldur (KarB) to !ffffffff

16
Total Receptions
16
Unique Gateways
3
Hop Count
28
Payload Bytes
Packet Information
Database ID: 27781903
Mesh Packet ID: 0x1eaf98ae
Used for correlation across gateways
Timestamp: 2025-12-15 08:38:18 UTC
From Node: Karabanchel_Baldur (KarB)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: TELEMETRY_APP
Port: 67
Gateway: Ocumare Norte🗼🌐 (RRN)
Channel: MediumFast
RSSI: -106 dBm
SNR: -11.5 dBm
Hop Info: 3/4 hops
Start: 4, Limit: 1
Relay Node: b0 Vbm , Vb2
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:101%
Voltage:-0.00 V
Channel Usage:2.0%
Air Util TX:1.0%
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:!b2a7c8d0
Channel:MediumFast
Payload Type:TELEMETRY_APP
Hop Count:3 / 4
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 !b2a7c8d0
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 321388680
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 1
Remaining hops allowed 		uint32
hop_start 4
Initial hop limit 		uint32
hops_taken 3
Calculated: hop_start - hop_limit 		derived
rx_rssi -106.0 dBm
Signal strength at gateway 		int32
rx_snr -11.50 dB
Signal quality at gateway 		float
rx_time 1765787898
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 176
Relay node ID 		uint32
tx_after Not set uint32
timestamp 1765787898.9015348
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 (3 hops)
  • ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !b2a7c8d0
Signal Metrics: RSSI: -106.0 dBm
SNR: -11.50 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": 1765787895, "device_metrics": { "battery_level": 101, "voltage": -0.001, "channel_utilization": 2.0433333, "air_util_tx": 0.96163887, "uptime_seconds": 554184 } }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!b2a7c8d0", "channel_id": "MediumFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 321388680, "to": 4294967295, "id": 514824366, "rx_time": 1765787898, "rx_snr": -11.5, "rx_rssi": -106, "hop_limit": 1, "hop_start": 4, "via_mqtt": 0, "want_ack": 0, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 176, "tx_after": 0, "decoded": { "portnum": 67, "payload": "0df7c83f6912150865156f1283ba1df9c5024025f72d763f28c8e921", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "time": 1765787895, "device_metrics": { "battery_level": 101, "voltage": -0.001, "channel_utilization": 2.0433333, "air_util_tx": 0.96163887, "uptime_seconds": 554184 }, "type": "protobuf", "portnum": "TELEMETRY_APP", "message_class": "Telemetry" } } } }
Raw Packet Data (28 bytes)
0df7c83f6912150865156f1283ba1df9c5024025f72d763f28c8e921
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 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
Ocumare Norte🗼🌐 (RRN) Primary 0.000s
Reference 		-106.0 dBm -11.50 dB 3 b0 Vbm , Vb2 MediumFast 2025-12-15 08:38:18 UTC Current
Karabanchel_Baldur (KarB) -3.666s
Before 		Unknown Unknown 0 88 KarB , FENX MediumFast 2025-12-15 08:38:15 UTC View
srs-h3 📡🌐 (srs0) -2.410s
Before 		-121.0 dBm -15.25 dB 1 bb 03bb MediumFast 2025-12-15 08:38:16 UTC View
XiaoWatt c4c8 🌐🔌 (c4c8) -2.331s
Before 		-104.0 dBm -14.25 dB 2 2d SkyB MediumFast 2025-12-15 08:38:16 UTC View
tizon (Sylv) -1.985s
Before 		-105.0 dBm 2.25 dB 2 2d SkyB MediumFast 2025-12-15 08:38:16 UTC View
Fenix (FENX) -1.962s
Before 		-111.0 dBm -8.50 dB 2 2d SkyB MediumFast 2025-12-15 08:38:16 UTC View
Meshtastic b2b4📡🌐 (b2b4) -1.229s
Before 		-115.0 dBm -12.50 dB 0 88 KarB MediumFast 2025-12-15 08:38:17 UTC View
Getafe ☀️ (GTF) -0.817s
Before 		-125.0 dBm -14.50 dB 2 2d SkyB MediumFast 2025-12-15 08:38:18 UTC View
Venturada2 🗼🌞 (Vb2) -0.385s
Before 		-99.0 dBm -1.75 dB 2 52 MediumFast 2025-12-15 08:38:18 UTC View
Justicia Meshtastic b0e4 🏢 (b0e4) -0.229s
Before 		-119.0 dBm -10.75 dB 3 25 🌇 MediumFast 2025-12-15 08:38:18 UTC View
JAGO1_Cañaveral (JAGO) -0.008s
Before 		-121.0 dBm -12.50 dB 3 b0 Vbm , PUPM , Vb2 MediumFast 2025-12-15 08:38:18 UTC View
NodeJPL6 (JPL6) +0.075s
After 		-102.0 dBm -14.25 dB 3 b0 Vb2 MediumFast 2025-12-15 08:38:18 UTC View
GRN1-Base🗼🌐 🔋 (GRN1) +0.375s
After 		-96.0 dBm 2.00 dB 3 b0 Vbm , Vb2 MediumFast 2025-12-15 08:38:19 UTC View
ETH Maverick (ET01) +1.118s
After 		-107.0 dBm -5.00 dB 3 61 TO1 MediumFast 2025-12-15 08:38:20 UTC View
Eagle’s Nest (EAGL) +1.719s
After 		-113.0 dBm -4.00 dB 4 74 MediumFast 2025-12-15 08:38:20 UTC View
ETH Goose (ET03) +2.652s
After 		-29.0 dBm 10.50 dB 4 41 ET01 MediumFast 2025-12-15 08:38:21 UTC View
16

Total Receptions

16

Unique Gateways