Packet #2849638 Success

NODEINFO_APP packet from Goc YU7ZMB (goc) to hello dasha urbro (kolo)

2
Total Receptions
2
Unique Gateways
3
Hop Count
74
Payload Bytes
Packet Information
Database ID: 2849638
Mesh Packet ID: 0x58bec2bc
Used for correlation across gateways
Timestamp: 2026-04-17 06:45:16 UTC
From Node: Goc YU7ZMB (goc)
To Node: hello dasha urbro (kolo)
Success: Processed
Protocol: NODEINFO_APP
Port: 4
Gateway: Paxy (7eac)
Channel: Srbija
RSSI: -116 dBm
SNR: -4.75 dBm
Hop Info: 3/3 hops
Start: 3, Limit: 0
Payload Data
Protocol: NODEINFO_APP
Size: 74 bytes
Decoded: Yes
Decoded Data:
Long Name:Goc YU7ZMB
Short Name:goc
Node ID:!49b61c24
MAC Address:jP1Jthwk
Hardware:HELTEC_V4
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:74 bytes
Gateway:!43b77eac
Channel:Srbija
Payload Type:NODEINFO_APP
Hop Count:3 / 3
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 (3 hops)
+ 1 more...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !43b77eac
Node ID format
channel_id Srbija
packet MeshPacket (74 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 1236671524
Source node ID
uint32
to 48872636
Target node ID
uint32
decoded.portnum 4
NODEINFO_APP
enum
decoded.payload_length 74 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 -116.0 dBm
Signal strength at gateway
int32
rx_snr -4.75 dB
Signal quality at gateway
float
rx_time 1776408315
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 Not set uint32
tx_after Not set uint32
timestamp 1776408316.9654884
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: Srbija
  • ✓ Gateway node ID tracked
Exposure Risks:
  • ⚠ Packet visible to MQTT subscribers
  • ⚠ Multi-hop path visible (3 hops)
  • ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !43b77eac
Signal Metrics: RSSI: -116.0 dBm
SNR: -4.75 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:NODEINFO_APP
Size:74 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "id": "!49b61c24", "long_name": "Goc YU7ZMB", "short_name": "goc", "macaddr": "jP1Jthwk", "hw_model": "HELTEC_V4" }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!43b77eac", "channel_id": "Srbija", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 1236671524, "to": 48872636, "id": 1488896700, "rx_time": 1776408315, "rx_snr": -4.75, "rx_rssi": -116, "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": 0, "tx_after": 0, "decoded": { "portnum": 4, "payload": "0a09213439623631633234120a476f63205955375a4d421a03676f6322068cfd49b61c24286e4220598417ed4d0b3cf8b65863a58c1fa990339e23ee44cb2da2c89551ec670bee6d4801", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "id": "!49b61c24", "long_name": "Goc YU7ZMB", "short_name": "goc", "macaddr": "jP1Jthwk", "hw_model": "HELTEC_V4", "public_key": "WYQX7U0LPPi2WGOljB+pkDOeI+5Eyy2iyJVR7GcL7m0=", "is_unmessagable": true, "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } } } }
Raw Packet Data (74 bytes)
0a09213439623631633234120a476f63205955375a4d421a03676f6322068cfd49b61c24286e4220598417ed4d0b3cf8b65863a58c1fa990339e23ee44cb2da2c89551ec670bee6d4801
Hex Analysis:
Size:74 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
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Map shows gateway locations that received this packet. Hop counts are displayed if available.
Gateway Time Offset RSSI SNR Hops Channel Timestamp Actions
Paxy (7eac) Primary 0.000s
Reference
-116.0 dBm -4.75 dB 3 Srbija 2026-04-17 06:45:16 UTC Current
Knez Mihailova 🏛️ (PxKM) -0.734s
Before
-121.0 dBm -11.50 dB 3 Srbija 2026-04-17 06:45:16 UTC View
2

Total Receptions

2

Unique Gateways