Packet #4015420 Success

NODEINFO_APP packet from Atlas [Aperture Sci.] (ATLS) to Meshtastic c498📡🌐 (C498)

4
Total Receptions
4
Unique Gateways
5
Hop Count
84
Payload Bytes
Packet Information
Database ID: 4015420
Mesh Packet ID: 0x6561a6be
Used for correlation across gateways
Timestamp: 2025-07-18 02:11:43 UTC
From Node: Atlas [Aperture Sci.] (ATLS)
To Node: Meshtastic c498📡🌐 (C498)
Success: Processed
Protocol: NODEINFO_APP
Port: 4
Gateway: SkG@Home 🗼🌐 (SkGH)
Channel: MediumSlow
RSSI: -121 dBm
SNR: -15.0 dBm
Hop Info: 5/5 hops
Start: 5, Limit: 0
Payload Data
Protocol: NODEINFO_APP
Size: 84 bytes
Decoded: Yes
Decoded Data:
Long Name:Atlas [Aperture Sci.]
Short Name:ATLS
Node ID:!7c5cb830
MAC Address:JFh8XLgw
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:84 bytes
Gateway:!db29e6a8
Channel:MediumSlow
Payload Type:NODEINFO_APP
Hop Count:5 / 5
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 (5 hops)
+ 1 more...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !db29e6a8
Node ID format
channel_id MediumSlow
packet MeshPacket (84 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 2086451248
Source node ID 		uint32
to 2086323352
Target node ID 		uint32
decoded.portnum 4
NODEINFO_APP 		enum
decoded.payload_length 84 bytes size
hop_limit Not set uint32
hop_start 5
Initial hop limit 		uint32
hops_taken 5
Calculated: hop_start - hop_limit 		derived
rx_rssi -121.0 dBm
Signal strength at gateway 		int32
rx_snr -15.00 dB
Signal quality at gateway 		float
rx_time 1752804701
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 176
Relay node ID 		uint32
tx_after Not set uint32
timestamp 1752804703.0260324
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: MediumSlow
  • ✓ Gateway node ID tracked
Exposure Risks:
  • ⚠ Packet visible to MQTT subscribers
  • ⚠ Multi-hop path visible (5 hops)
  • ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !db29e6a8
Signal Metrics: RSSI: -121.0 dBm
SNR: -15.00 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:NODEINFO_APP
Size:84 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "id": "!7c5cb830", "long_name": "Atlas [Aperture Sci.]", "short_name": "ATLS", "macaddr": "JFh8XLgw", "hw_model": "HELTEC_V3" }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!db29e6a8", "channel_id": "MediumSlow", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 2086451248, "to": 2086323352, "id": 1700898494, "rx_time": 1752804701, "rx_snr": -15.0, "rx_rssi": -121, "hop_limit": 0, "hop_start": 5, "via_mqtt": 0, "want_ack": 0, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 176, "tx_after": 0, "decoded": { "portnum": 4, "payload": "0a09213763356362383330121541746c6173205b4170657274757265205363692e5d1a0441544c53220624587c5cb830282b4220d3f971baf136e54555a676739123da8d2d0ee836ab1f70314a7912efe67d433b", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "id": "!7c5cb830", "long_name": "Atlas [Aperture Sci.]", "short_name": "ATLS", "macaddr": "JFh8XLgw", "hw_model": "HELTEC_V3", "public_key": "0/lxuvE25UVVpnZzkSPajS0O6DarH3AxSnkS7+Z9Qzs=", "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } } } }
Raw Packet Data (84 bytes)
0a09213763356362383330121541746c6173205b4170657274757265205363692e5d1a0441544c53220624587c5cb830282b4220d3f971baf136e54555a676739123da8d2d0ee836ab1f70314a7912efe67d433b
Hex Analysis:
Size:84 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
SkG@Home 🗼🌐 (SkGH) Primary 0.000s
Reference 		-121.0 dBm -15.00 dB 5 MediumSlow 2025-07-18 02:11:43 Current
Venturada2🗼🌐☀️ (Vb2) -2.306s
Before 		-103.0 dBm -4.00 dB 4 MediumSlow 2025-07-18 02:11:40 View
@lazynoda cocidito 🥵 🗼🌐 (LNCM) -2.062s
Before 		-118.0 dBm -6.50 dB 4 MediumSlow 2025-07-18 02:11:40 View
GRN1-Base📡🌐 (GRN1) -1.016s
Before 		-107.0 dBm 1.75 dB 5 MediumSlow 2025-07-18 02:11:42 View
4

Total Receptions

4

Unique Gateways