Packet #13943943 Success

NODEINFO_APP packet from Sierra norte Madrid โ›ฐ๏ธ๐Ÿ—ผ๐ŸŒž (SNM) to Meshtastic e7aa (e7aa)

13
Total Receptions
13
Unique Gateways
1
Hop Count
98
Payload Bytes
Packet Information
Database ID: 13943943
Mesh Packet ID: 0xeeb097dc
Used for correlation across gateways
Timestamp: 2025-10-07 02:47:51 UTC
From Node: Sierra norte Madrid โ›ฐ๏ธ๐Ÿ—ผ๐ŸŒž (SNM)
To Node: Meshtastic e7aa (e7aa)
Success: Processed
Protocol: NODEINFO_APP
Port: 4
Gateway: tizon (Sylv)
Channel: MediumSlow
RSSI: -99 dBm
SNR: 6.0 dBm
Hop Info: 1/4 hops
Start: 4, Limit: 3
Payload Data
Protocol: NODEINFO_APP
Size: 98 bytes
Decoded: Yes
Decoded Data:
Long Name:Sierra norte Madrid โ›ฐ๏ธ๐Ÿ—ผ๐ŸŒž
Short Name:SNM
Node ID:!43562884
MAC Address:SMpDViiE
Hardware:HELTEC_WSL_V3
Raw Packet Analysis
Complete field breakdown and MQTT privacy/exposure analysis
Packet Structure
MQTT Packet Flow:
ServiceEnvelope (MQTT layer) โ†’ MeshPacket (Mesh layer) โ†’ Decoded Payload (Application data)
Total Size:98 bytes
Gateway:!9e7809e8
Channel:MediumSlow
Payload Type:NODEINFO_APP
Hop Count:1 / 4
Privacy Summary
Exposure Level:
Direct Message
Privacy Features:
โœ“ Direct LoRa transmission (not via MQTT)
โœ“ Targeted to specific node
+ 2 more...
Exposure Risks:
โš  Packet visible to MQTT subscribers
โš  Multi-hop path visible (1 hops)
+ 1 more...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !9e7809e8
Node ID format
channel_id MediumSlow
packet MeshPacket (98 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 1129719940
Source node ID
uint32
to 892200874
Target node ID
uint32
decoded.portnum 4
NODEINFO_APP
enum
decoded.payload_length 98 bytes size
hop_limit 3
Remaining hops allowed
uint32
hop_start 4
Initial hop limit
uint32
hops_taken 1
Calculated: hop_start - hop_limit
derived
rx_rssi -99.0 dBm
Signal strength at gateway
int32
rx_snr 6.00 dB
Signal quality at gateway
float
rx_time 1759805270
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 28
Relay node ID
uint32
tx_after Not set uint32
timestamp 1759805271.2748868
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:
  • โœ“ Direct LoRa transmission (not via MQTT)
  • โœ“ Targeted to specific node
  • โœ“ Custom channel: MediumSlow
  • โœ“ Gateway node ID tracked
Exposure Risks:
  • โš  Packet visible to MQTT subscribers
  • โš  Multi-hop path visible (1 hops)
  • โš  RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !9e7809e8
Signal Metrics: RSSI: -99.0 dBm
SNR: 6.00 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:NODEINFO_APP
Size:98 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "id": "!43562884", "long_name": "Sierra norte Madrid โ›ฐ๏ธ๐Ÿ—ผ๐ŸŒž", "short_name": "SNM", "macaddr": "SMpDViiE", "hw_model": "HELTEC_WSL_V3" }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!9e7809e8", "channel_id": "MediumSlow", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 1129719940, "to": 892200874, "id": 4004550620, "rx_time": 1759805270, "rx_snr": 6.0, "rx_rssi": -99, "hop_limit": 3, "hop_start": 4, "via_mqtt": 0, "want_ack": 0, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 28, "tx_after": 0, "decoded": { "portnum": 4, "payload": "0a092134333536323838341222536965727261206e6f727465204d616472696420e29bb0efb88ff09f97bcf09f8c9e1a03534e4d220648ca43562884282c380242207e52862e72b32f44af42b528084eefaa0bee58c0c7cbf44107a3ced8bae4c945", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "id": "!43562884", "long_name": "Sierra norte Madrid โ›ฐ๏ธ๐Ÿ—ผ๐ŸŒž", "short_name": "SNM", "macaddr": "SMpDViiE", "hw_model": "HELTEC_WSL_V3", "role": "ROUTER", "public_key": "flKGLnKzL0SvQrUoCE7vqgvuWMDHy/RBB6PO2LrkyUU=", "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } } } }
Raw Packet Data (98 bytes)
0a092134333536323838341222536965727261206e6f727465204d616472696420e29bb0efb88ff09f97bcf09f8c9e1a03534e4d220648ca43562884282c380242207e52862e72b32f44af42b528084eefaa0bee58c0c7cbf44107a3ced8bae4c945
Hex Analysis:
Size:98 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
tizon (Sylv) Primary 0.000s
Reference
-99.0 dBm 6.00 dB 1 MediumSlow 2025-10-07 02:47:51 Current
GRN1-Base๐Ÿ—ผ๐ŸŒ (GRN1) -3.358s
Before
-107.0 dBm -3.50 dB 0 MediumSlow 2025-10-07 02:47:47 View
[TLG] ๐Ÿ“ก๐ŸŒ๐Ÿ”‹๐Ÿ”Œ (tlg0) -3.355s
Before
-114.0 dBm -4.25 dB 0 MediumSlow 2025-10-07 02:47:47 View
Rodashtastic๐Ÿ—ผ๐ŸŒ (RDSt) -1.817s
Before
-115.0 dBm -7.00 dB 1 MediumSlow 2025-10-07 02:47:49 View
Venturada2๐Ÿ—ผ๐ŸŒโ˜€๏ธ (Vb2) -1.269s
Before
-102.0 dBm -6.50 dB 1 MediumSlow 2025-10-07 02:47:50 View
Baldur Fijo (BalF) +0.004s
After
-106.0 dBm -1.25 dB 1 MediumSlow 2025-10-07 02:47:51 View
Quass002 โ˜„๏ธ (Q002) +1.011s
After
-114.0 dBm -4.00 dB 1 MediumSlow 2025-10-07 02:47:52 View
Quass001 โ˜„๏ธ (Q001) +1.017s
After
-103.0 dBm 5.00 dB 1 MediumSlow 2025-10-07 02:47:52 View
Oxygen EA4HKU (O) +1.650s
After
-112.0 dBm -7.75 dB 2 MediumSlow 2025-10-07 02:47:52 View
Carbon EA4HKU (C) +1.871s
After
-109.0 dBm 0.25 dB 2 MediumSlow 2025-10-07 02:47:53 View
Meshtastic 1760 (1760) +1.988s
After
-118.0 dBm -1.75 dB 2 MediumSlow 2025-10-07 02:47:53 View
Meshtastic 18a4 (18a4) +5.106s
After
-51.0 dBm 13.50 dB 3 MediumSlow 2025-10-07 02:47:56 View
๐ŸŒCharly Unid Movil๐Ÿ›ฐ (C181) +15.254s
After
-24.0 dBm 8.25 dB 3 MediumSlow 2025-10-07 02:48:06 View
13

Total Receptions

13

Unique Gateways