Packet #1193645 Success

NODEINFO_APP packet from SDT 3930 (3930) to XNet-02 (xn02)

8
Total Receptions
8
Unique Gateways
4
Hop Count
73
Payload Bytes
Packet Information
Database ID: 1193645
Mesh Packet ID: 0xb78fe5c4
Used for correlation across gateways
Timestamp: 2025-10-24 20:00:42 UTC
From Node: SDT 3930 (3930)
To Node: XNet-02 (xn02)
Success: Processed
Protocol: NODEINFO_APP
Port: 4
Gateway: OC2 (665d)
Channel: LongFast
RSSI: -127 dBm
SNR: -19.0 dBm
Hop Info: 4/4 hops
Start: 4, Limit: 0
Relay Node: 57 CmWx
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: 73 bytes
Decoded: Yes
Decoded Data:
Long Name:SDT 3930
Short Name:3930
Node ID:!b2a73930
MAC Address:gPGypzkw
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:73 bytes
Gateway:!a369665d
Channel:LongFast
Payload Type:NODEINFO_APP
Hop Count:4 / 4
Privacy Summary
Exposure Level:
Direct Message
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Targeted to specific node
+ 1 more...
Exposure Risks:
⚠ Default channel - no encryption
⚠ Packet visible to MQTT subscribers
+ 2 more...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !a369665d
Node ID format
channel_id LongFast
Default public channel
packet MeshPacket (73 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 2997303600
Source node ID 		uint32
to 1128143188
Target node ID 		uint32
decoded.portnum 4
NODEINFO_APP 		enum
decoded.payload_length 73 bytes size
hop_limit Not set uint32
hop_start 4
Initial hop limit 		uint32
hops_taken 4
Calculated: hop_start - hop_limit 		derived
rx_rssi -127.0 dBm
Signal strength at gateway 		int32
rx_snr -19.00 dB
Signal quality at gateway 		float
rx_time 1761336082
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 87
Relay node ID 		uint32
tx_after Not set uint32
timestamp 1761336042.8679998
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
Exposure Risks:
  • ⚠ Default channel - no encryption
  • ⚠ Packet visible to MQTT subscribers
  • ⚠ Multi-hop path visible (4 hops)
  • ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !a369665d
Signal Metrics: RSSI: -127.0 dBm
SNR: -19.00 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:NODEINFO_APP
Size:73 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "id": "!b2a73930", "long_name": "SDT 3930", "short_name": "3930", "macaddr": "gPGypzkw", "hw_model": "HELTEC_V4" }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!a369665d", "channel_id": "LongFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 2997303600, "to": 1128143188, "id": 3079660996, "rx_time": 1761336082, "rx_snr": -19.0, "rx_rssi": -127, "hop_limit": 0, "hop_start": 4, "via_mqtt": 0, "want_ack": 0, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 87, "tx_after": 0, "decoded": { "portnum": 4, "payload": "0a09216232613733393330120853445420333933301a0433393330220680f1b2a73930286e42208caf71cf229bc13ca444d242ad8cc43b3a219af2d2063de408845f91eb55c83b4800", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "id": "!b2a73930", "long_name": "SDT 3930", "short_name": "3930", "macaddr": "gPGypzkw", "hw_model": "HELTEC_V4", "public_key": "jK9xzyKbwTykRNJCrYzEOzohmvLSBj3kCIRfketVyDs=", "is_unmessagable": false, "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } } } }
Raw Packet Data (73 bytes)
0a09216232613733393330120853445420333933301a0433393330220680f1b2a73930286e42208caf71cf229bc13ca444d242ad8cc43b3a219af2d2063de408845f91eb55c83b4800
Hex Analysis:
Size:73 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
OC2 (665d) Primary 0.000s
Reference 		-127.0 dBm -19.00 dB 4 57 CmWx LongFast 2025-10-24 20:00:42 UTC Current
SDT 2507 (2507) -33.241s
Before 		-46.0 dBm 7.00 dB 0 30 3930 LongFast 2025-10-24 20:00:09 UTC View
Claudiopolis-440c (440c) -22.172s
Before 		-103.0 dBm -9.75 dB 1 - LongFast 2025-10-24 20:00:20 UTC View
Poncho@BryantPark | MS (p@bp) -17.670s
Before 		-108.0 dBm -11.25 dB 2 0c XAP2 , UGKH , 440c LongFast 2025-10-24 20:00:25 UTC View
dkTowerBot (dkTB) -16.072s
Before 		-105.0 dBm -17.75 dB 4 3d PDD0 , P1NY LongFast 2025-10-24 20:00:26 UTC View
ClaremontWx.net (CmWx) -13.317s
Before 		-92.0 dBm -3.00 dB 3 e9 pab , dmbl LongFast 2025-10-24 20:00:29 UTC View
DRP1 Chelsea (DRP1) -12.247s
Before 		-113.0 dBm -13.50 dB 3 e9 pab , dmbl LongFast 2025-10-24 20:00:30 UTC View
K2XAP / nyme.sh (XAP) -0.095s
Before 		-45.0 dBm 7.50 dB 4 57 CmWx LongFast 2025-10-24 20:00:42 UTC View
8

Total Receptions

8

Unique Gateways