Packet #27781901 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: 27781901
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: Justicia Meshtastic b0e4 🏢 (b0e4)
Channel: MediumFast
RSSI: -119 dBm
SNR: -10.75 dBm
Hop Info: 3/4 hops
Start: 4, Limit: 1
Relay Node: 25 🌇
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:!9ea1b0e4
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 !9ea1b0e4
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 -119.0 dBm
Signal strength at gateway 		int32
rx_snr -10.75 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 37
Relay node ID 		uint32
tx_after Not set uint32
timestamp 1765787898.6725178
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: !9ea1b0e4
Signal Metrics: RSSI: -119.0 dBm
SNR: -10.75 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": 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": "!9ea1b0e4", "channel_id": "MediumFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 321388680, "to": 4294967295, "id": 514824366, "rx_time": 1765787898, "rx_snr": -10.75, "rx_rssi": -119, "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": 37, "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
Justicia Meshtastic b0e4 🏢 (b0e4) Primary 0.000s
Reference 		-119.0 dBm -10.75 dB 3 25 🌇 MediumFast 2025-12-15 08:38:18 UTC Current
Karabanchel_Baldur (KarB) -3.437s
Before 		Unknown Unknown 0 88 KarB , FENX MediumFast 2025-12-15 08:38:15 UTC View
srs-h3 📡🌐 (srs0) -2.181s
Before 		-121.0 dBm -15.25 dB 1 bb 03bb MediumFast 2025-12-15 08:38:16 UTC View
XiaoWatt c4c8 🌐🔌 (c4c8) -2.102s
Before 		-104.0 dBm -14.25 dB 2 2d SkyB MediumFast 2025-12-15 08:38:16 UTC View
tizon (Sylv) -1.756s
Before 		-105.0 dBm 2.25 dB 2 2d SkyB MediumFast 2025-12-15 08:38:16 UTC View
Fenix (FENX) -1.733s
Before 		-111.0 dBm -8.50 dB 2 2d SkyB MediumFast 2025-12-15 08:38:16 UTC View
Meshtastic b2b4📡🌐 (b2b4) -1.000s
Before 		-115.0 dBm -12.50 dB 0 88 KarB MediumFast 2025-12-15 08:38:17 UTC View
Getafe ☀️ (GTF) -0.588s
Before 		-125.0 dBm -14.50 dB 2 2d SkyB MediumFast 2025-12-15 08:38:18 UTC View
Venturada2 🗼🌞 (Vb2) -0.156s
Before 		-99.0 dBm -1.75 dB 2 52 MediumFast 2025-12-15 08:38:18 UTC View
JAGO1_Cañaveral (JAGO) +0.221s
After 		-121.0 dBm -12.50 dB 3 b0 Vbm , PUPM , Vb2 MediumFast 2025-12-15 08:38:18 UTC View
Ocumare Norte🗼🌐 (RRN) +0.229s
After 		-106.0 dBm -11.50 dB 3 b0 Vbm , Vb2 MediumFast 2025-12-15 08:38:18 UTC View
NodeJPL6 (JPL6) +0.304s
After 		-102.0 dBm -14.25 dB 3 b0 Vb2 MediumFast 2025-12-15 08:38:18 UTC View
GRN1-Base🗼🌐 🔋 (GRN1) +0.604s
After 		-96.0 dBm 2.00 dB 3 b0 Vbm , Vb2 MediumFast 2025-12-15 08:38:19 UTC View
ETH Maverick (ET01) +1.347s
After 		-107.0 dBm -5.00 dB 3 61 TO1 MediumFast 2025-12-15 08:38:20 UTC View
Eagle’s Nest (EAGL) +1.948s
After 		-113.0 dBm -4.00 dB 4 74 MediumFast 2025-12-15 08:38:20 UTC View
ETH Goose (ET03) +2.881s
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