Packet #2615176 Success

NODEINFO_APP packet from GW Nadejda SF 🇧🇬🏢🛰️ (SFGN) to LondarVR-BG03 (lon3)

2
Total Receptions
2
Unique Gateways
0
Hop Count
100
Payload Bytes
Packet Information
Database ID: 2615176
Mesh Packet ID: 0xd0c004ba
Used for correlation across gateways
Timestamp: 2026-04-02 18:34:05 UTC
From Node: GW Nadejda SF 🇧🇬🏢🛰️ (SFGN)
To Node: LondarVR-BG03 (lon3)
Success: Processed
Protocol: NODEINFO_APP
Port: 4
Gateway: GW Nadejda SF 🇧🇬🏢🛰️ (SFGN)
Channel: ShortFast
RSSI: Unknown
SNR: Unknown
Hop Info: 0/2 hops
Start: 2, Limit: 2
Relay Node: 08 SFGN
Last byte of the last hop that relayed this packet - Candidate source node(s) based on 0-hop direct receptions
Payload Data
Protocol: NODEINFO_APP
Size: 100 bytes
Decoded: Yes
Decoded Data:
Long Name:GW Nadejda SF 🇧🇬🏢🛰️
Short Name:SFGN
Node ID:!9ea08f08
MAC Address:nBOeoI8I
Hardware:HELTEC_WSL_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:100 bytes
Gateway:!9ea08f08
Channel:ShortFast
Payload Type:NODEINFO_APP
Hop Count:Unknown / 2
Privacy Summary
Exposure Level:
Direct Message
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Targeted to specific node
+ 3 more...
Exposure Risks:
⚠ Packet visible to MQTT subscribers
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !9ea08f08
Node ID format
channel_id ShortFast
packet MeshPacket (100 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 2661322504
Source node ID 		uint32
to 2717510488
Target node ID 		uint32
decoded.portnum 4
NODEINFO_APP 		enum
decoded.payload_length 100 bytes size
hop_limit 2
Remaining hops allowed 		uint32
hop_start 2
Initial hop limit 		uint32
hops_taken 0
Calculated: hop_start - hop_limit 		derived
rx_rssi Not set int32
rx_snr Not set float
rx_time 1775154844
Receive timestamp 		fixed32
via_mqtt False
Direct LoRa transmission 		bool
want_ack False
No ACK requested 		bool
priority 70
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 8
Relay node ID 		uint32
tx_after Not set uint32
timestamp 1775154845.2196226
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: ShortFast
  • ✓ Gateway node ID tracked
  • ✓ Zero-hop: direct from source to MQTT gateway
Exposure Risks:
  • ⚠ Packet visible to MQTT subscribers
MQTT-Specific Fields
Gateway ID: !9ea08f08
Zero Hop Policy: Enabled
Direct gateway connection
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:NODEINFO_APP
Size:100 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "id": "!9ea08f08", "long_name": "GW Nadejda SF 🇧🇬🏢🛰️", "short_name": "SFGN", "macaddr": "nBOeoI8I", "hw_model": "HELTEC_WSL_V3" }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!9ea08f08", "channel_id": "ShortFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 2661322504, "to": 2717510488, "id": 3502245050, "rx_time": 1775154844, "rx_snr": 0.0, "rx_rssi": 0, "hop_limit": 2, "hop_start": 2, "via_mqtt": 0, "want_ack": 0, "priority": 70, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 8, "tx_after": 0, "decoded": { "portnum": 4, "payload": "0a0921396561303866303812214757204e6164656a646120534620f09f87a7f09f87acf09f8fa2f09f9bb0efb88f1a045346474e22069c139ea08f08282c38024220c2e9afd0763d8937e3be271a8a49b5166b8e10037ecf19e7940a3b531d6c891f4801", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "id": "!9ea08f08", "long_name": "GW Nadejda SF 🇧🇬🏢🛰️", "short_name": "SFGN", "macaddr": "nBOeoI8I", "hw_model": "HELTEC_WSL_V3", "role": "ROUTER", "public_key": "wumv0HY9iTfjvicaikm1FmuOEAN+zxnnlAo7Ux1siR8=", "is_unmessagable": true, "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } } } }
Raw Packet Data (100 bytes)
0a0921396561303866303812214757204e6164656a646120534620f09f87a7f09f87acf09f8fa2f09f9bb0efb88f1a045346474e22069c139ea08f08282c38024220c2e9afd0763d8937e3be271a8a49b5166b8e10037ecf19e7940a3b531d6c891f4801
Hex Analysis:
Size:100 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
GW Nadejda SF 🇧🇬🏢🛰️ (SFGN) Primary 0.000s
Reference 		Unknown Unknown 0 08 SFGN ShortFast 2026-04-02 18:34:05 UTC Current
Orthanc (8080) +0.660s
After 		-78.0 dBm 9.25 dB 1 58 VRR ShortFast 2026-04-02 18:34:05 UTC View
2

Total Receptions

2

Unique Gateways