Packet #10591266 Success

NODEINFO_APP packet from Chamartin_SolarπŸ—Όβ˜€οΈ (Chmt) to Meshtastic 53fc (53fc)

21
Total Receptions
21
Unique Gateways
2
Hop Count
88
Payload Bytes
Packet Information
Database ID: 10591266
Mesh Packet ID: 0x51c426f4
Used for correlation across gateways
Timestamp: 2025-09-14 17:47:46 UTC
From Node: Chamartin_SolarπŸ—Όβ˜€οΈ (Chmt)
To Node: Meshtastic 53fc (53fc)
Success: Processed
Protocol: NODEINFO_APP
Port: 4
Gateway: Will - Azuqueca (WAzq)
Channel: MediumSlow
RSSI: -113 dBm
SNR: -13.5 dBm
Hop Info: 2/4 hops
Start: 4, Limit: 2
Payload Data
Protocol: NODEINFO_APP
Size: 88 bytes
Decoded: Yes
Decoded Data:
Long Name:Chamartin_SolarπŸ—Όβ˜€οΈ
Short Name:Chmt
Node ID:!794c9df5
MAC Address:6RJ5TJ31
Hardware:RAK4631
Raw Packet Analysis
Complete field breakdown and MQTT privacy/exposure analysis
Packet Structure
MQTT Packet Flow:
ServiceEnvelope (MQTT layer) β†’ MeshPacket (Mesh layer) β†’ Decoded Payload (Application data)
Total Size:88 bytes
Gateway:!9e9fbaec
Channel:MediumSlow
Payload Type:NODEINFO_APP
Hop Count:2 / 4
Privacy Summary
Exposure Level:
Direct Message
Privacy Features:
βœ“ Direct LoRa transmission (not via MQTT)
βœ“ 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 !9e9fbaec
Node ID format
channel_id MediumSlow
packet MeshPacket (88 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 2035064309
Source node ID
uint32
to 3215545340
Target node ID
uint32
decoded.portnum 4
NODEINFO_APP
enum
decoded.payload_length 88 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 -113.0 dBm
Signal strength at gateway
int32
rx_snr -13.50 dB
Signal quality at gateway
float
rx_time 1757872065
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 8
Relay node ID
uint32
tx_after Not set uint32
timestamp 1757872066.7490714
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:
  • βœ“ Direct LoRa transmission (not via MQTT)
  • βœ“ Targeted to specific node
  • βœ“ Custom channel: MediumSlow
  • βœ“ 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: !9e9fbaec
Signal Metrics: RSSI: -113.0 dBm
SNR: -13.50 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:NODEINFO_APP
Size:88 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "id": "!794c9df5", "long_name": "Chamartin_SolarπŸ—Όβ˜€οΈ", "short_name": "Chmt", "macaddr": "6RJ5TJ31", "hw_model": "RAK4631" }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!9e9fbaec", "channel_id": "MediumSlow", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 2035064309, "to": 3215545340, "id": 1371809524, "rx_time": 1757872065, "rx_snr": -13.5, "rx_rssi": -113, "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": 8, "tx_after": 0, "decoded": { "portnum": 4, "payload": "0a0921373934633964663512194368616d617274696e5f536f6c6172f09f97bce29880efb88f1a0443686d742206e912794c9df52809422088fae16ac8f5c25a091f17108bc69d22dee15e653ebaac19b6609af7ee002046", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "id": "!794c9df5", "long_name": "Chamartin_SolarπŸ—Όβ˜€οΈ", "short_name": "Chmt", "macaddr": "6RJ5TJ31", "hw_model": "RAK4631", "public_key": "iPrhasj1wloJHxcQi8adIt7hXmU+uqwZtmCa9+4AIEY=", "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } } } }
Raw Packet Data (88 bytes)
0a0921373934633964663512194368616d617274696e5f536f6c6172f09f97bce29880efb88f1a0443686d742206e912794c9df52809422088fae16ac8f5c25a091f17108bc69d22dee15e653ebaac19b6609af7ee002046
Hex Analysis:
Size:88 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 Channel Timestamp Actions
Will - Azuqueca (WAzq) Primary 0.000s
Reference
-113.0 dBm -13.50 dB 2 MediumSlow 2025-09-14 17:47:46 Current
Venturada2πŸ—ΌπŸŒβ˜€οΈ (Vb2) -5.173s
Before
-102.0 dBm -1.25 dB 0 MediumSlow 2025-09-14 17:47:41 View
Suop πŸ“‘ 🌐 (SUOP) -4.832s
Before
-113.0 dBm -4.25 dB 0 MediumSlow 2025-09-14 17:47:41 View
Ocumare_Base_πŸ—ΌπŸŒ (CATA) -3.352s
Before
-87.0 dBm 6.25 dB 1 MediumSlow 2025-09-14 17:47:43 View
Meshtastic 1760 (1760) -3.071s
Before
-110.0 dBm 5.75 dB 1 MediumSlow 2025-09-14 17:47:43 View
Meshtastic 18a4 (18a4) -3.056s
Before
-108.0 dBm -0.25 dB 1 MediumSlow 2025-09-14 17:47:43 View
Monolito (7960) -2.681s
Before
-63.0 dBm 8.25 dB 2 MediumSlow 2025-09-14 17:47:44 View
Villalbilla02 (VBV2) -1.214s
Before
-117.0 dBm -7.75 dB 1 MediumSlow 2025-09-14 17:47:45 View
GRN1-BaseπŸ—ΌπŸŒ (GRN1) -1.174s
Before
-114.0 dBm -8.00 dB 1 MediumSlow 2025-09-14 17:47:45 View
Venturada baseπŸ—ΌπŸŒ (Vb) -0.257s
Before
-86.0 dBm 8.25 dB 1 MediumSlow 2025-09-14 17:47:46 View
SkG@Somewhere 🀨 (SkGs) +0.231s
After
-115.0 dBm -9.25 dB 2 MediumSlow 2025-09-14 17:47:46 View
@lazynoda cocidito πŸ₯΅ πŸ—ΌπŸŒ (LNCM) +0.248s
After
-111.0 dBm 0.50 dB 2 MediumSlow 2025-09-14 17:47:46 View
RodashtasticπŸ—ΌπŸŒ (RDSt) +0.296s
After
-113.0 dBm -5.75 dB 2 MediumSlow 2025-09-14 17:47:47 View
Meshtastic fbec (fbec) +0.320s
After
-129.0 dBm -8.00 dB 2 MediumSlow 2025-09-14 17:47:47 View
Tlgo πŸ“‘πŸŒπŸ”‹πŸ”Œ (TLG0) +0.328s
After
-110.0 dBm -8.25 dB 2 MediumSlow 2025-09-14 17:47:47 View
Perseo πŸ“‘ 🌐 (nvm1) +0.759s
After
-93.0 dBm 1.25 dB 2 MediumSlow 2025-09-14 17:47:47 View
Meshtastic 53fc (53fc) +2.528s
After
-116.0 dBm -6.00 dB 3 MediumSlow 2025-09-14 17:47:49 View
Meshtastic c498πŸ“‘πŸŒ (C498) +2.531s
After
-114.0 dBm -12.75 dB 3 MediumSlow 2025-09-14 17:47:49 View
Meshtastic 9f30 (9f30) +2.720s
After
-121.0 dBm -14.75 dB 3 MediumSlow 2025-09-14 17:47:49 View
Mec Rocket Meco (MRM) +3.588s
After
-34.0 dBm 9.50 dB 3 MediumSlow 2025-09-14 17:47:50 View
SkG@Home πŸ“‘πŸŒ (SkGH) +12.641s
After
-110.0 dBm -3.75 dB 3 MediumSlow 2025-09-14 17:47:59 View
21

Total Receptions

21

Unique Gateways