Packet #27368398 Success

TELEMETRY_APP packet from Sierra norte Madrid ⛰️🗼🌞 (SNM) to !ffffffff

18
Total Receptions
18
Unique Gateways
4
Hop Count
27
Payload Bytes
Packet Information
Database ID: 27368398
Mesh Packet ID: 0x5d15ef1f
Used for correlation across gateways
Timestamp: 2025-12-13 10:21:17 UTC
From Node: Sierra norte Madrid ⛰️🗼🌞 (SNM)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: TELEMETRY_APP
Port: 67
Gateway: Meshtastic 18a4 (18a4)
Channel: MediumFast
RSSI: Unknown
SNR: Unknown
Hop Info: 4/4 hops
Start: 4, Limit: 0
Relay Node: 60 1760
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: 27 bytes
Decoded: Yes
Decoded Data:
Device Metrics:
Battery:100%
Voltage:4.19 V
Channel Usage:13.5%
Air Util TX:2.4%
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:27 bytes
Gateway:!c0c318a4
Channel:MediumFast
Payload Type:TELEMETRY_APP
Hop Count:4 / 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
+ 1 more...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !c0c318a4
Node ID format
channel_id MediumFast
packet MeshPacket (27 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 1129719940
Source node ID 		uint32
to 4294967295 (Broadcast)
Visible to all nodes 		uint32
decoded.portnum 67
TELEMETRY_APP 		enum
decoded.payload_length 27 bytes size
hop_limit Not set uint32
hop_start 4
Initial hop limit 		uint32
hops_taken 4
Calculated: hop_start - hop_limit 		derived
rx_rssi Not set int32
rx_snr Not set float
rx_time 1765621474
Receive timestamp 		fixed32
via_mqtt False
Direct LoRa transmission 		bool
want_ack False
No ACK requested 		bool
priority 64
Packet priority level 		enum
delayed Not set enum
channel Not set uint32
pki_encrypted False
Standard encryption 		bool
next_hop Not set uint32
relay_node 96
Relay node ID 		uint32
tx_after Not set uint32
timestamp 1765621277.6935616
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 (4 hops)
MQTT-Specific Fields
Gateway ID: !c0c318a4
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:TELEMETRY_APP
Size:27 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "time": 1765621282, "device_metrics": { "battery_level": 100, "voltage": 4.191, "channel_utilization": 13.468332, "air_util_tx": 2.3951666, "uptime_seconds": 7364 } }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!c0c318a4", "channel_id": "MediumFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 1129719940, "to": 4294967295, "id": 1561718559, "rx_time": 1765621474, "rx_snr": 0.0, "rx_rssi": 0, "hop_limit": 0, "hop_start": 4, "via_mqtt": 0, "want_ack": 0, "priority": 64, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 96, "tx_after": 0, "decoded": { "portnum": 67, "payload": "0d223e3d691214086415ac1c86401d4a7e574125694a194028c439", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "time": 1765621282, "device_metrics": { "battery_level": 100, "voltage": 4.191, "channel_utilization": 13.468332, "air_util_tx": 2.3951666, "uptime_seconds": 7364 }, "type": "protobuf", "portnum": "TELEMETRY_APP", "message_class": "Telemetry" } } } }
Raw Packet Data (27 bytes)
0d223e3d691214086415ac1c86401d4a7e574125694a194028c439
Hex Analysis:
Size:27 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
Meshtastic 18a4 (18a4) Primary 0.000s
Reference 		Unknown Unknown 4 60 1760 MediumFast 2025-12-13 10:21:17 UTC Current
[samsepi0l] 📡🌐 (tlg0) -2.574s
Before 		-97.0 dBm -4.50 dB 0 - MediumFast 2025-12-13 10:21:15 UTC View
Varela Bot 🏡🤖 (🤖) -1.371s
Before 		-87.0 dBm 4.50 dB 1 1c 🏡 MediumFast 2025-12-13 10:21:16 UTC View
JAGO1_Cañaveral (JAGO) -1.087s
Before 		-122.0 dBm -12.25 dB 2 b0 Vbm , PUPM , Vb2 MediumFast 2025-12-13 10:21:16 UTC View
Ocumare Norte🗼🌐 (RRN) -0.775s
Before 		-108.0 dBm -13.25 dB 3 b0 Vbm , Vb2 MediumFast 2025-12-13 10:21:16 UTC View
XiaoWatt c4c8 🌐🔌 (c4c8) -0.745s
Before 		-78.0 dBm 8.25 dB 3 b0 Vbm , Vb2 MediumFast 2025-12-13 10:21:16 UTC View
Meshtastic 1760 (1760) -0.393s
Before 		-126.0 dBm -13.25 dB 3 b0 Vb2 MediumFast 2025-12-13 10:21:17 UTC View
GRN1-Base🗼🌐 🔋 (GRN1) -0.364s
Before 		-97.0 dBm 1.25 dB 3 b0 Vbm , Vb2 MediumFast 2025-12-13 10:21:17 UTC View
ETH Maverick (ET01) +0.009s
After 		-107.0 dBm -6.00 dB 3 61 TO1 MediumFast 2025-12-13 10:21:17 UTC View
Fenix (FENX) +0.091s
After 		-121.0 dBm -12.00 dB 3 61 TO1 MediumFast 2025-12-13 10:21:17 UTC View
Wake Up, Neo...📡 (NEO) +0.189s
After 		-106.0 dBm -11.75 dB 4 08 MediumFast 2025-12-13 10:21:17 UTC View
ETH MyLittlePonySuperHornet (ET18) +0.391s
After 		-95.0 dBm 10.00 dB 4 41 ET01 MediumFast 2025-12-13 10:21:18 UTC View
Eagle’s Nest (EAGL) +0.432s
After 		-108.0 dBm 1.00 dB 4 74 MediumFast 2025-12-13 10:21:18 UTC View
ETH Goose (ET03) +0.747s
After 		-25.0 dBm 11.00 dB 4 41 ET01 MediumFast 2025-12-13 10:21:18 UTC View
P3 iGate 🏠🌐 (P3N2) +0.801s
After 		-36.0 dBm 10.75 dB 4 25 P3N1 MediumFast 2025-12-13 10:21:18 UTC View
Rodashtastic🗼🌐 (RDSt) +0.924s
After 		-122.0 dBm -12.75 dB 4 e8 GRN1 MediumFast 2025-12-13 10:21:18 UTC View
PXT_Home (PXT1) +1.209s
After 		-98.0 dBm 7.75 dB 4 fd BAS2 MediumFast 2025-12-13 10:21:18 UTC View
Zion 🗼 (Zion) +1.233s
After 		-113.0 dBm -5.25 dB 4 fd BAS2 MediumFast 2025-12-13 10:21:18 UTC View
18

Total Receptions

18

Unique Gateways