Packet #12647666 Success

TELEMETRY_APP packet from Arganda C191 🌐 (ARG) to !ffffffff

16
Total Receptions
16
Unique Gateways
4
Hop Count
26
Payload Bytes
Packet Information
Database ID: 12647666
Mesh Packet ID: 0x91d2c4c0
Used for correlation across gateways
Timestamp: 2025-09-28 19:19:59 UTC
From Node: Arganda C191 🌐 (ARG)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: TELEMETRY_APP
Port: 67
Gateway: Getafe C191 - ☀️🌐 (GTF)
Channel: MediumSlow
RSSI: -121 dBm
SNR: -14.0 dBm
Hop Info: 4/4 hops
Start: 4, Limit: 0
Payload Data
Protocol: TELEMETRY_APP
Size: 26 bytes
Decoded: Yes
Decoded Data:
Device Metrics:
Battery:101%
Voltage:4.31 V
Channel Usage:17.3%
Air Util TX:0.1%
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:26 bytes
Gateway:!9eed0854
Channel:MediumSlow
Payload Type:TELEMETRY_APP
Hop Count:4 / 4
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: MediumSlow
+ 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 !9eed0854
Node ID format
channel_id MediumSlow
packet MeshPacket (26 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 2665977088
Source node ID 		uint32
to 4294967295 (Broadcast)
Visible to all nodes 		uint32
decoded.portnum 67
TELEMETRY_APP 		enum
decoded.payload_length 26 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 -121.0 dBm
Signal strength at gateway 		int32
rx_snr -14.00 dB
Signal quality at gateway 		float
rx_time 1759087198
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 8
Relay node ID 		uint32
tx_after Not set uint32
timestamp 1759087199.079195
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: MediumSlow
  • ✓ Gateway node ID tracked
Exposure Risks:
  • ⚠ Visible to all nodes on channel
  • ⚠ Packet visible to MQTT subscribers
  • ⚠ Multi-hop path visible (4 hops)
  • ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !9eed0854
Signal Metrics: RSSI: -121.0 dBm
SNR: -14.00 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:TELEMETRY_APP
Size:26 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "time": 1759087193, "device_metrics": { "battery_level": 101, "voltage": 4.306, "channel_utilization": 17.28, "air_util_tx": 0.06288889, "uptime_seconds": 121 } }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!9eed0854", "channel_id": "MediumSlow", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 2665977088, "to": 4294967295, "id": 2446509248, "rx_time": 1759087198, "rx_snr": -14.0, "rx_rssi": -121, "hop_limit": 0, "hop_start": 4, "via_mqtt": 0, "want_ack": 0, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 8, "tx_after": 0, "decoded": { "portnum": 67, "payload": "0d598ad9681213086515c1ca89401d713d8a4125e4cb803d2879", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "time": 1759087193, "device_metrics": { "battery_level": 101, "voltage": 4.306, "channel_utilization": 17.28, "air_util_tx": 0.06288889, "uptime_seconds": 121 }, "type": "protobuf", "portnum": "TELEMETRY_APP", "message_class": "Telemetry" } } } }
Raw Packet Data (26 bytes)
0d598ad9681213086515c1ca89401d713d8a4125e4cb803d2879
Hex Analysis:
Size:26 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 Channel Timestamp Actions
Getafe C191 - ☀️🌐 (GTF) Primary 0.000s
Reference 		-121.0 dBm -14.00 dB 4 MediumSlow 2025-09-28 19:19:59 Current
Venturada2🗼🌐☀️ (Vb2) -3.689s
Before 		-112.0 dBm -14.50 dB 1 MediumSlow 2025-09-28 19:19:55 View
Villalbilla02 (VBV2) -2.863s
Before 		-112.0 dBm -2.50 dB 2 MediumSlow 2025-09-28 19:19:56 View
Arganda C191 🌐 (ARG) -2.137s
Before 		Unknown Unknown 0 MediumSlow 2025-09-28 19:19:56 View
[TLG] 📡🌐🔋🔌 (tlg0) -1.890s
Before 		-113.0 dBm -7.00 dB 3 MediumSlow 2025-09-28 19:19:57 View
Malasaña Solar ☀️ (🌇) -1.802s
Before 		-116.0 dBm -8.75 dB 3 MediumSlow 2025-09-28 19:19:57 View
📟Lulo_N2📟 (L_N2) -1.604s
Before 		Unknown Unknown 4 MediumSlow 2025-09-28 19:19:57 View
SkG@Home 📡🌐 (SkGH) -1.417s
Before 		-111.0 dBm -2.75 dB 3 MediumSlow 2025-09-28 19:19:57 View
Zion 🗼 (Zion) -1.387s
Before 		-108.0 dBm -13.75 dB 3 MediumSlow 2025-09-28 19:19:57 View
Mec Rocket Meco (MRM) -1.383s
Before 		-101.0 dBm -0.25 dB 4 MediumSlow 2025-09-28 19:19:57 View
Will - Azuqueca (WAzq) -0.303s
Before 		-107.0 dBm 1.00 dB 4 MediumSlow 2025-09-28 19:19:58 View
Alma Tracker (AGPS) -0.180s
Before 		-109.0 dBm -14.50 dB 4 MediumSlow 2025-09-28 19:19:58 View
Fuenca fijo (c578) -0.045s
Before 		-120.0 dBm -7.00 dB 4 MediumSlow 2025-09-28 19:19:59 View
Machu Pichu (MaPi) -0.005s
Before 		-96.0 dBm 1.00 dB 4 MediumSlow 2025-09-28 19:19:59 View
Naranjo C191 🌐 (FNL) +0.026s
After 		-113.0 dBm -6.50 dB 4 MediumSlow 2025-09-28 19:19:59 View
Gnomoazul (Gnaz) +78.338s
After 		-120.0 dBm -9.50 dB 4 MediumSlow 2025-09-28 19:21:17 View
16

Total Receptions

16

Unique Gateways