Packet #12312818 Success

TELEMETRY_APP packet from Jota black 9c25 (JTBK) to !ffffffff

20
Total Receptions
20
Unique Gateways
3
Hop Count
28
Payload Bytes
Packet Information
Database ID: 12312818
Mesh Packet ID: 0xfa98244b
Used for correlation across gateways
Timestamp: 2025-09-26 19:41:08 UTC
From Node: Jota black 9c25 (JTBK)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: TELEMETRY_APP
Port: 67
Gateway: Alma Tracker (AGPS)
Channel: MediumSlow
RSSI: -104 dBm
SNR: -14.25 dBm
Hop Info: 3/3 hops
Start: 3, Limit: 0
Payload Data
Protocol: TELEMETRY_APP
Size: 28 bytes
Decoded: Yes
Decoded Data:
Device Metrics:
Battery:30%
Voltage:3.53 V
Air Util TX:0.2%
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:!1c7b9514
Channel:MediumSlow
Payload Type:TELEMETRY_APP
Hop Count:3 / 3
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 !1c7b9514
Node ID format
channel_id MediumSlow
packet MeshPacket (28 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 3179387941
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 Not set uint32
hop_start 3
Initial hop limit 		uint32
hops_taken 3
Calculated: hop_start - hop_limit 		derived
rx_rssi -104.0 dBm
Signal strength at gateway 		int32
rx_snr -14.25 dB
Signal quality at gateway 		float
rx_time 1758915669
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 25
Relay node ID 		uint32
tx_after Not set uint32
timestamp 1758915668.3615665
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 (3 hops)
  • ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !1c7b9514
Signal Metrics: RSSI: -104.0 dBm
SNR: -14.25 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": 1758915663, "device_metrics": { "battery_level": 30, "voltage": 3.534, "channel_utilization": 0.0, "air_util_tx": 0.18622223, "uptime_seconds": 260169 } }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!1c7b9514", "channel_id": "MediumSlow", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 3179387941, "to": 4294967295, "id": 4204274763, "rx_time": 1758915669, "rx_snr": -14.25, "rx_rssi": -104, "hop_limit": 0, "hop_start": 3, "via_mqtt": 0, "want_ack": 0, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 25, "tx_after": 0, "decoded": { "portnum": 67, "payload": "0d4fecd6681215081e150e2d62401d00000000250ab13e3e28c9f00f", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "time": 1758915663, "device_metrics": { "battery_level": 30, "voltage": 3.534, "channel_utilization": 0.0, "air_util_tx": 0.18622223, "uptime_seconds": 260169 }, "type": "protobuf", "portnum": "TELEMETRY_APP", "message_class": "Telemetry" } } } }
Raw Packet Data (28 bytes)
0d4fecd6681215081e150e2d62401d00000000250ab13e3e28c9f00f
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 Channel Timestamp Actions
Alma Tracker (AGPS) Primary 0.000s
Reference 		-104.0 dBm -14.25 dB 3 MediumSlow 2025-09-26 19:41:08 Current
Will - Azuqueca (WAzq) -3.310s
Before 		-104.0 dBm 2.25 dB 1 MediumSlow 2025-09-26 19:41:05 View
Venturada2🗼🌐☀️ (Vb2) -3.306s
Before 		-97.0 dBm -0.50 dB 1 MediumSlow 2025-09-26 19:41:05 View
Mec Rocket Meco (MRM) -3.297s
Before 		-82.0 dBm 8.50 dB 1 MediumSlow 2025-09-26 19:41:05 View
[TLG] 📡🌐🔋🔌 (tlg0) -2.083s
Before 		-111.0 dBm -6.50 dB 2 MediumSlow 2025-09-26 19:41:06 View
GRN1-Base🗼🌐 (GRN1) -2.078s
Before 		-99.0 dBm -6.00 dB 2 MediumSlow 2025-09-26 19:41:06 View
g1bal (g1b0) -1.977s
Before 		-111.0 dBm -5.25 dB 2 MediumSlow 2025-09-26 19:41:06 View
Fuenca fijo (c578) -1.731s
Before 		-119.0 dBm -6.75 dB 2 MediumSlow 2025-09-26 19:41:06 View
Baldur Fijo (BalF) -1.672s
Before 		-116.0 dBm -9.25 dB 2 MediumSlow 2025-09-26 19:41:06 View
Machu Pichu (MaPi) -1.660s
Before 		-92.0 dBm 2.25 dB 2 MediumSlow 2025-09-26 19:41:06 View
Rodashtastic🗼🌐 (RDSt) -1.615s
Before 		-113.0 dBm -5.75 dB 2 MediumSlow 2025-09-26 19:41:06 View
Meshtastic 18a4 (18a4) -1.611s
Before 		-123.0 dBm -15.00 dB 2 MediumSlow 2025-09-26 19:41:06 View
Naranjo C191 🌐 (FNL) -1.578s
Before 		-113.0 dBm -4.50 dB 2 MediumSlow 2025-09-26 19:41:06 View
🌐Charly Torre 1🛰 (C183) -1.482s
Before 		-87.0 dBm 0.75 dB 2 MediumSlow 2025-09-26 19:41:06 View
Kenobi23 QTH (5aec) -1.417s
Before 		-114.0 dBm -11.25 dB 2 MediumSlow 2025-09-26 19:41:06 View
Ocumare_Base_🗼🌐 (CATA) -1.406s
Before 		-113.0 dBm -16.25 dB 2 MediumSlow 2025-09-26 19:41:06 View
TO_Cala_Base2🗼🌐☀️ (33C8) -0.998s
Before 		-112.0 dBm -5.50 dB 3 MediumSlow 2025-09-26 19:41:07 View
SkG@Home 📡🌐 (SkGH) -0.256s
Before 		-121.0 dBm -11.75 dB 3 MediumSlow 2025-09-26 19:41:08 View
Glitchs Azuqueca 📡 (GltA) +1.208s
After 		-127.0 dBm -16.00 dB 2 MediumSlow 2025-09-26 19:41:09 View
C191 🌐 (C191) +407.832s
After 		-119.0 dBm -11.75 dB 2 MediumSlow 2025-09-26 19:47:56 View
20

Total Receptions

20

Unique Gateways