Packet #19964611 Success

NODEINFO_APP packet from Spectrum Helix (CORE) to ORLV

3
Total Receptions
3
Unique Gateways
2
Hop Count
79
Payload Bytes
Packet Information
Database ID: 19964611
Mesh Packet ID: 0xa9cd2629
Used for correlation across gateways
Timestamp: 2026-07-27 15:35:06 UTC
From Node: Spectrum Helix (CORE)
To Node: ORLV (3944)
Success: Processed
Protocol: NODEINFO_APP
Port: 4
Gateway: RN3ABX Georgy 2 (ABX2)
Channel: MediumFast
RSSI: -111 dBm
SNR: -0.5 dBm
Hop Info: 2/4 hops
Start: 4, Limit: 2
Payload Data
Protocol: NODEINFO_APP
Size: 79 bytes
Decoded: Yes
Decoded Data:
Long Name:Spectrum Helix
Short Name:CORE
Node ID:!699bb674
MAC Address:kHBpm7Z0
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:79 bytes
Gateway:!f98db090
Channel:MediumFast
Payload Type:NODEINFO_APP
Hop Count:2 / 4
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 (2 hops)
+ 1 more...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !f98db090
Node ID format
channel_id MediumFast
packet MeshPacket (79 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 1771812468
Source node ID 		uint32
to 164903236
Target node ID 		uint32
decoded.portnum 4
NODEINFO_APP 		enum
decoded.payload_length 79 bytes size
hop_limit 2
Remaining hops allowed 		uint32
hop_start 4
Initial hop limit 		uint32
hops_taken 2
Calculated: hop_start - hop_limit 		derived
rx_rssi -111.0 dBm
Signal strength at gateway 		int32
rx_snr -0.50 dB
Signal quality at gateway 		float
rx_time 1785155705
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 146
Relay node ID 		uint32
tx_after Not set uint32
timestamp 1785155706.9801948
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: MediumFast
  • ✓ Gateway node ID tracked
Exposure Risks:
  • ⚠ Packet visible to MQTT subscribers
  • ⚠ Multi-hop path visible (2 hops)
  • ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !f98db090
Signal Metrics: RSSI: -111.0 dBm
SNR: -0.50 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:NODEINFO_APP
Size:79 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "id": "!699bb674", "long_name": "Spectrum Helix", "short_name": "CORE", "macaddr": "kHBpm7Z0", "hw_model": "HELTEC_V4" }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!f98db090", "channel_id": "MediumFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 1771812468, "to": 164903236, "id": 2848794153, "rx_time": 1785155705, "rx_snr": -0.5, "rx_rssi": -111, "hop_limit": 2, "hop_start": 4, "via_mqtt": 0, "want_ack": 0, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 146, "tx_after": 0, "decoded": { "portnum": 4, "payload": "0a09213639396262363734120e537065637472756d2048656c69781a04434f524522069070699bb674286e4220b80ba074e9f2dc48f811aa901bba6d7caba952c9a89831687c257c00b98a4e404800", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "id": "!699bb674", "long_name": "Spectrum Helix", "short_name": "CORE", "macaddr": "kHBpm7Z0", "hw_model": "HELTEC_V4", "public_key": "uAugdOny3Ej4EaqQG7ptfKupUsmomDFofCV8ALmKTkA=", "is_unmessagable": false, "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } } } }
Raw Packet Data (79 bytes)
0a09213639396262363734120e537065637472756d2048656c69781a04434f524522069070699bb674286e4220b80ba074e9f2dc48f811aa901bba6d7caba952c9a89831687c257c00b98a4e404800
Hex Analysis:
Size:79 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
RN3ABX Georgy 2 (ABX2) Primary 0.000s
Reference 		-111.0 dBm -0.50 dB 2 MediumFast 2026-07-27 15:35:06 Current
Aster-02 (AST2) -1.308s
Before 		-102.0 dBm -9.50 dB 1 MediumFast 2026-07-27 15:35:05 View
SYSXX YGW8 (SXY8) -1.105s
Before 		-79.0 dBm 6.75 dB 1 MediumFast 2026-07-27 15:35:05 View
3

Total Receptions

3

Unique Gateways