Packet #120138 Success

NODEINFO_APP packet from Blue Sky 📟🇧🇬 (VRBS) to Meshtastic e74e (Alex)

10
Total Receptions
5
Unique Gateways
1
Hop Count
86
Payload Bytes
Packet Information
Database ID: 120138
Mesh Packet ID: 0xf545a568
Used for correlation across gateways
Timestamp: 2025-08-31 12:01:48 UTC
From Node: Blue Sky 📟🇧🇬 (VRBS)
To Node: Meshtastic e74e (Alex)
Success: Processed
Protocol: NODEINFO_APP
Port: 4
Gateway: Vratsa M1🇧🇬🏚️🛰️ (VRM1)
Channel: Bulgaria
RSSI: -91 dBm
SNR: 9.75 dBm
Hop Info: 1/2 hops
Start: 2, Limit: 1
Payload Data
Protocol: NODEINFO_APP
Size: 86 bytes
Decoded: Yes
Decoded Data:
Long Name:Blue Sky 📟🇧🇬
Short Name:VRBS
Node ID:!db29d8ac
MAC Address:EFHbKdis
Hardware:HELTEC_V3
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:86 bytes
Gateway:!433ddeec
Channel:Bulgaria
Payload Type:NODEINFO_APP
Hop Count:1 / 2
Privacy Summary
Exposure Level:
Direct Message
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Targeted to specific node
+ 2 more...
Exposure Risks:
⚠ Packet visible to MQTT subscribers
⚠ Multi-hop path visible (1 hops)
+ 1 more...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !433ddeec
Node ID format
channel_id Bulgaria
packet MeshPacket (86 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 3676952748
Source node ID 		uint32
to 1091299150
Target node ID 		uint32
decoded.portnum 4
NODEINFO_APP 		enum
decoded.payload_length 86 bytes size
hop_limit 1
Remaining hops allowed 		uint32
hop_start 2
Initial hop limit 		uint32
hops_taken 1
Calculated: hop_start - hop_limit 		derived
rx_rssi -91.0 dBm
Signal strength at gateway 		int32
rx_snr 9.75 dB
Signal quality at gateway 		float
rx_time Not set 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 192
Relay node ID 		uint32
tx_after Not set uint32
timestamp 1756630908.9563818
Unix timestamp 		uint32
MQTT Privacy & Exposure Analysis

Analysis of privacy features and exposure risks when packet is shared via MQTT

Exposure Level: Direct Message
Privacy Features:
  • ✓ Direct LoRa transmission (not via MQTT)
  • ✓ Targeted to specific node
  • ✓ Custom channel: Bulgaria
  • ✓ Gateway node ID tracked
Exposure Risks:
  • ⚠ Packet visible to MQTT subscribers
  • ⚠ Multi-hop path visible (1 hops)
  • ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !433ddeec
Signal Metrics: RSSI: -91.0 dBm
SNR: 9.75 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:NODEINFO_APP
Size:86 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "id": "!db29d8ac", "long_name": "Blue Sky 📟🇧🇬", "short_name": "VRBS", "macaddr": "EFHbKdis", "hw_model": "HELTEC_V3" }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!433ddeec", "channel_id": "Bulgaria", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 3676952748, "to": 1091299150, "id": 4114982248, "rx_time": 0, "rx_snr": 9.75, "rx_rssi": -91, "hop_limit": 1, "hop_start": 2, "via_mqtt": 0, "want_ack": 0, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 192, "tx_after": 0, "decoded": { "portnum": 4, "payload": "0a092164623239643861631215426c756520536b7920f09f939ff09f87a7f09f87ac1a045652425322061051db29d8ac282b42202bb9dcdcf1afae47533ffb724fba12dfaeea3c18f123bfc6738ac157241eed134800", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "id": "!db29d8ac", "long_name": "Blue Sky 📟🇧🇬", "short_name": "VRBS", "macaddr": "EFHbKdis", "hw_model": "HELTEC_V3", "public_key": "K7nc3PGvrkdTP/tyT7oS367qPBjxI7/Gc4rBVyQe7RM=", "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } } } }
Raw Packet Data (86 bytes)
0a092164623239643861631215426c756520536b7920f09f939ff09f87a7f09f87ac1a045652425322061051db29d8ac282b42202bb9dcdcf1afae47533ffb724fba12dfaeea3c18f123bfc6738ac157241eed134800
Hex Analysis:
Size:86 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
Vratsa M1🇧🇬🏚️🛰️ (VRM1) Primary 0.000s
Reference 		-91.0 dBm 9.75 dB 1 Bulgaria 2025-08-31 12:01:48 Current
TC2-BBS📬💻🇧🇬 (TBBS) -10.521s
Before 		-60.0 dBm 9.75 dB 0 Bulgaria 2025-08-31 12:01:38 View
TC2-BBS📬💻🇧🇬 (TBBS) -10.472s
Before 		-60.0 dBm 9.75 dB 0 Bulgaria 2025-08-31 12:01:38 View
Vratsa LG 🇧🇬🚧 (VRLG) -10.435s
Before 		-57.0 dBm 10.00 dB 0 Bulgaria 2025-08-31 12:01:38 View
Vratsa LG 🇧🇬🚧 (VRLG) -10.417s
Before 		-57.0 dBm 10.00 dB 0 Bulgaria 2025-08-31 12:01:38 View
Vratsa G1 🇧🇬🌐🛰️ (VRG1) -10.401s
Before 		-58.0 dBm 11.75 dB 0 Bulgaria 2025-08-31 12:01:38 View
Vratsa Telegram Bot 🇧🇬🤖🛰️ (VRTB) -10.392s
Before 		-35.0 dBm 12.00 dB 0 Bulgaria 2025-08-31 12:01:38 View
Vratsa G1 🇧🇬🌐🛰️ (VRG1) -10.381s
Before 		-58.0 dBm 11.75 dB 0 Bulgaria 2025-08-31 12:01:38 View
Vratsa Telegram Bot 🇧🇬🤖🛰️ (VRTB) -10.348s
Before 		-35.0 dBm 12.00 dB 0 Bulgaria 2025-08-31 12:01:38 View
Vratsa M1🇧🇬🏚️🛰️ (VRM1) +0.025s
After 		-91.0 dBm 9.75 dB 1 Bulgaria 2025-08-31 12:01:48 View
10

Total Receptions

5

Unique Gateways