Packet #28307656 Success

NODEINFO_APP packet from Sierra norte Madrid โ›ฐ๏ธ๐Ÿ—ผ๐ŸŒž (SNM) to Ocumare Norte๐Ÿ—ผ๐ŸŒ (RRN)

21
Total Receptions
21
Unique Gateways
2
Hop Count
98
Payload Bytes
Packet Information
Database ID: 28307656
Mesh Packet ID: 0x5961a62c
Used for correlation across gateways
Timestamp: 2025-12-17 17:15:16 UTC
From Node: Sierra norte Madrid โ›ฐ๏ธ๐Ÿ—ผ๐ŸŒž (SNM)
To Node: Ocumare Norte๐Ÿ—ผ๐ŸŒ (RRN)
Success: Processed
Protocol: NODEINFO_APP
Port: 4
Gateway: Ocumare Norte๐Ÿ—ผ๐ŸŒ (RRN)
Channel: MediumFast
RSSI: -106 dBm
SNR: -12.25 dBm
Hop Info: 2/4 hops
Start: 4, Limit: 2
Relay Node: b0 Vbm , Vb2
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: 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:!b2a7c8d0
Channel:MediumFast
Payload Type:NODEINFO_APP
Hop Count:2 / 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 (2 hops)
+ 1 more...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !b2a7c8d0
Node ID format
channel_id MediumFast
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 2997340368
Target node ID
uint32
decoded.portnum 4
NODEINFO_APP
enum
decoded.payload_length 98 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 -106.0 dBm
Signal strength at gateway
int32
rx_snr -12.25 dB
Signal quality at gateway
float
rx_time 1765991713
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 1765991716.116682
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: MediumFast
  • โœ“ Gateway node ID tracked
Exposure Risks:
  • โš  Packet visible to MQTT subscribers
  • โš  Multi-hop path visible (2 hops)
  • โš  RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !b2a7c8d0
Signal Metrics: RSSI: -106.0 dBm
SNR: -12.25 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": "!b2a7c8d0", "channel_id": "MediumFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 1129719940, "to": 2997340368, "id": 1499571756, "rx_time": 1765991713, "rx_snr": -12.25, "rx_rssi": -106, "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": 176, "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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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
Ocumare Norte๐Ÿ—ผ๐ŸŒ (RRN) Primary 0.000s
Reference
-106.0 dBm -12.25 dB 2 b0 Vbm , Vb2 MediumFast 2025-12-17 17:15:16 UTC Current
Venturada2 ๐Ÿ—ผ๐ŸŒž (Vb2) -1.457s
Before
-75.0 dBm 10.50 dB 1 10 Vb MediumFast 2025-12-17 17:15:14 UTC View
GRN1-Base๐Ÿ—ผ๐ŸŒ ๐Ÿ”‹ (GRN1) -0.740s
Before
-106.0 dBm -10.50 dB 0 - MediumFast 2025-12-17 17:15:15 UTC View
Villalbilla02 (VBV2) -0.724s
Before
-119.0 dBm -9.25 dB 2 b0 Vb2 MediumFast 2025-12-17 17:15:15 UTC View
Karabanchel_Baldur (KarB) -0.136s
Before
-94.0 dBm -0.50 dB 3 1c ๐Ÿท MediumFast 2025-12-17 17:15:15 UTC View
[samsepi0l] ๐Ÿ“ก๐ŸŒ (tlg0) -0.054s
Before
-103.0 dBm -8.00 dB 3 08 LMTS , JPL2 MediumFast 2025-12-17 17:15:16 UTC View
๐Ÿค– Nicolas Cage ๐ŸŒ (Cage) +0.079s
After
-95.0 dBm 9.25 dB 3 1c ๐Ÿท MediumFast 2025-12-17 17:15:16 UTC View
tizon (Sylv) +0.169s
After
-108.0 dBm 1.25 dB 3 1c ๐Ÿท MediumFast 2025-12-17 17:15:16 UTC View
Getafe โ˜€๏ธ (GTF) +0.173s
After
-122.0 dBm -11.75 dB 3 1c ๐Ÿท MediumFast 2025-12-17 17:15:16 UTC View
Meshtastic b2b4๐Ÿ“ก๐ŸŒ (b2b4) +0.479s
After
-114.0 dBm -12.25 dB 4 88 KarB MediumFast 2025-12-17 17:15:16 UTC View
Fenix (FENX) +0.687s
After
-117.0 dBm -10.50 dB 4 88 KarB , FENX MediumFast 2025-12-17 17:15:16 UTC View
Meshtastic 1760 (1760) +0.715s
After
-117.0 dBm 0.25 dB 2 f5 RPT4 MediumFast 2025-12-17 17:15:16 UTC View
๐ŸŽ„ SkG@Home ๐Ÿ“ก๐ŸŒ (SkGH) +0.853s
After
-100.0 dBm -10.00 dB 3 1c ๐Ÿท MediumFast 2025-12-17 17:15:16 UTC View
ETH Maverick (ET01) +1.192s
After
-91.0 dBm 4.25 dB 2 72 Knb1 MediumFast 2025-12-17 17:15:17 UTC View
Aldinra_1640_๐Ÿ—ผ_๐ŸŒ (AldB) +1.881s
After
-101.0 dBm 6.50 dB 3 60 1760 MediumFast 2025-12-17 17:15:17 UTC View
Rodashtastic๐Ÿ—ผ๐ŸŒ (RDSt) +2.224s
After
-111.0 dBm -2.00 dB 3 94 MediumFast 2025-12-17 17:15:18 UTC View
Eagleโ€™s Nest (EAGL) +2.563s
After
-114.0 dBm -3.50 dB 3 74 MediumFast 2025-12-17 17:15:18 UTC View
Meshtastic 18a4 (18a4) +2.846s
After
-60.0 dBm 10.50 dB 3 60 1760 MediumFast 2025-12-17 17:15:18 UTC View
PXT_Home (PXT1) +4.272s
After
-95.0 dBm 8.50 dB 3 fd BAS2 MediumFast 2025-12-17 17:15:20 UTC View
X Wing ๐Ÿš€ Kenobi (Knb2) +6.677s
After
-114.0 dBm -4.25 dB 4 a4 18a4 MediumFast 2025-12-17 17:15:22 UTC View
๐Ÿ”๏ธCerro del Aire๐Ÿ”๏ธ_ b03c (CDA) +12.377s
After
-119.0 dBm -12.00 dB 2 f5 RPT4 MediumFast 2025-12-17 17:15:28 UTC View
21

Total Receptions

21

Unique Gateways