Packet #106511 Success

NODEINFO_APP packet from ☘️🦙t: Diet Ham, Sugar-Free APRS (LRGt) to MRC 73c6 (73c6)

1
Total Receptions
1
Unique Gateways
0
Hop Count
105
Payload Bytes
Packet Information
Database ID: 106511
Mesh Packet ID: 0xbb578f3d
Used for correlation across gateways
Timestamp: 2026-03-27 18:47:38 UTC
From Node: ☘️🦙t: Diet Ham, Sugar-Free APRS (LRGt)
To Node: MRC 73c6 (73c6)
Success: Processed
Protocol: NODEINFO_APP
Port: 4
Gateway: ☘️🦙0: Take Me 🏠 Country Nodes (LRG0)
Channel: LongFast
RSSI: Unknown
SNR: Unknown
Hop Info: 0/3 hops
Start: 3, Limit: 3
Relay Node: 98 2598 , LRGt
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: 105 bytes
Decoded: Yes
Decoded Data:
Long Name:☘️🦙t: Diet Ham, Sugar-Free APRS
Short Name:LRGt
Node ID:!b2a72d98
MAC Address:gPGypy2Y
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:105 bytes
Gateway:!16c3f37c
Channel:LongFast
Payload Type:NODEINFO_APP
Hop Count:Unknown / 3
Privacy Summary
Exposure Level:
Direct Message
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Targeted to specific node
+ 2 more...
Exposure Risks:
⚠ Default channel - no encryption
⚠ Packet visible to MQTT subscribers
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !16c3f37c
Node ID format
channel_id LongFast
Default public channel
packet MeshPacket (105 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 2997300632
Source node ID 		uint32
to 2223338438
Target node ID 		uint32
decoded.portnum 4
NODEINFO_APP 		enum
decoded.payload_length 105 bytes size
hop_limit 3
Remaining hops allowed 		uint32
hop_start 3
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 1774637257
Receive timestamp 		fixed32
via_mqtt False
Direct LoRa transmission 		bool
want_ack False
No ACK requested 		bool
priority 10
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 152
Relay node ID 		uint32
tx_after Not set uint32
timestamp 1774637258.3573694
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
  • ✓ Gateway node ID tracked
  • ✓ Zero-hop: direct from source to MQTT gateway
Exposure Risks:
  • ⚠ Default channel - no encryption
  • ⚠ Packet visible to MQTT subscribers
MQTT-Specific Fields
Gateway ID: !16c3f37c
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:105 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "id": "!b2a72d98", "long_name": "☘️🦙t: Diet Ham, Sugar-Free APRS", "short_name": "LRGt", "macaddr": "gPGypy2Y", "hw_model": "HELTEC_V4" }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!16c3f37c", "channel_id": "LongFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 2997300632, "to": 2223338438, "id": 3143077693, "rx_time": 1774637257, "rx_snr": 0.0, "rx_rssi": 0, "hop_limit": 3, "hop_start": 3, "via_mqtt": 0, "want_ack": 0, "priority": 10, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 152, "tx_after": 0, "decoded": { "portnum": 4, "payload": "0a092162326137326439381226e29898efb88ff09fa699743a20446965742048616d2c2053756761722d4672656520415052531a044c524774220680f1b2a72d98286e3801422022d0242270a8194a412a7c84a72f6464fd5e9293bde859a2c2b751cec31df7004801", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "id": "!b2a72d98", "long_name": "☘️🦙t: Diet Ham, Sugar-Free APRS", "short_name": "LRGt", "macaddr": "gPGypy2Y", "hw_model": "HELTEC_V4", "role": "CLIENT_MUTE", "public_key": "ItAkInCoGUpBKnyEpy9kZP1ekpO96FmiwrdRzsMd9wA=", "is_unmessagable": true, "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } } } }
Raw Packet Data (105 bytes)
0a092162326137326439381226e29898efb88ff09fa699743a20446965742048616d2c2053756761722d4672656520415052531a044c524774220680f1b2a72d98286e3801422022d0242270a8194a412a7c84a72f6464fd5e9293bde859a2c2b751cec31df7004801
Hex Analysis:
Size:105 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
Gateway Time Offset RSSI SNR Hops Relay Channel Timestamp Actions
☘️🦙0: Take Me 🏠 Country Nodes (LRG0) Primary 0.000s
Reference 		Unknown Unknown 0 98 2598 , LRGt LongFast 2026-03-27 18:47:38 UTC Current
No other receptions found within ±2 seconds
1

Total Receptions

1

Unique Gateways