Packet #28430743 Success

NODEINFO_APP packet from JAGO2_Cañaveral 🌞🗼 (JAG2) to Sierra norte Madrid ⛰️🗼🌞 (SNM)

19
Total Receptions
19
Unique Gateways
4
Hop Count
92
Payload Bytes
Packet Information
Database ID: 28430743
Mesh Packet ID: 0x153536a6
Used for correlation across gateways
Timestamp: 2025-12-18 07:43:23 UTC
From Node: JAGO2_Cañaveral 🌞🗼 (JAG2)
To Node: Sierra norte Madrid ⛰️🗼🌞 (SNM)
Success: Processed
Protocol: NODEINFO_APP
Port: 4
Gateway: Meshtastic ca85 (ca85)
Channel: MediumFast
RSSI: -108 dBm
SNR: -8.75 dBm
Hop Info: 4/4 hops
Start: 4, Limit: 0
Relay Node: 88 KarB
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: 92 bytes
Decoded: Yes
Decoded Data:
Long Name:JAGO2_Cañaveral 🌞🗼
Short Name:JAG2
Node ID:!948d3970
MAC Address:/lCUjTlw
Hardware:NRF52_PROMICRO_DIY
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:92 bytes
Gateway:!4cd9ca85
Channel:MediumFast
Payload Type:NODEINFO_APP
Hop Count:4 / 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 (4 hops)
+ 1 more...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !4cd9ca85
Node ID format
channel_id MediumFast
packet MeshPacket (92 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 2492283248
Source node ID 		uint32
to 1129719940
Target node ID 		uint32
decoded.portnum 4
NODEINFO_APP 		enum
decoded.payload_length 92 bytes size
hop_limit Not set uint32
hop_start 4
Initial hop limit 		uint32
hops_taken 4
Calculated: hop_start - hop_limit 		derived
rx_rssi -108.0 dBm
Signal strength at gateway 		int32
rx_snr -8.75 dB
Signal quality at gateway 		float
rx_time 1766043802
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 136
Relay node ID 		uint32
tx_after Not set uint32
timestamp 1766043803.2730775
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 (4 hops)
  • ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !4cd9ca85
Signal Metrics: RSSI: -108.0 dBm
SNR: -8.75 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:NODEINFO_APP
Size:92 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "id": "!948d3970", "long_name": "JAGO2_Cañaveral 🌞🗼", "short_name": "JAG2", "macaddr": "/lCUjTlw", "hw_model": "NRF52_PROMICRO_DIY" }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!4cd9ca85", "channel_id": "MediumFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 2492283248, "to": 1129719940, "id": 355808934, "rx_time": 1766043802, "rx_snr": -8.75, "rx_rssi": -108, "hop_limit": 0, "hop_start": 4, "via_mqtt": 0, "want_ack": 0, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 0, "relay_node": 136, "tx_after": 0, "decoded": { "portnum": 4, "payload": "0a0921393438643339373012194a41474f325f4361c3b161766572616c20f09f8c9ef09f97bc1a044a4147322206fe50948d3970283f380c422054a5bd69201465083aece31ff580bdb0e53b990d8c83df04e065cf11350a947e4801", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "id": "!948d3970", "long_name": "JAGO2_Cañaveral 🌞🗼", "short_name": "JAG2", "macaddr": "/lCUjTlw", "hw_model": "NRF52_PROMICRO_DIY", "role": "CLIENT_BASE", "public_key": "VKW9aSAUZQg67OMf9YC9sOU7mQ2Mg98E4GXPETUKlH4=", "is_unmessagable": true, "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } } } }
Raw Packet Data (92 bytes)
0a0921393438643339373012194a41474f325f4361c3b161766572616c20f09f8c9ef09f97bc1a044a4147322206fe50948d3970283f380c422054a5bd69201465083aece31ff580bdb0e53b990d8c83df04e065cf11350a947e4801
Hex Analysis:
Size:92 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 Relay Channel Timestamp Actions
Meshtastic ca85 (ca85) Primary 0.000s
Reference 		-108.0 dBm -8.75 dB 4 88 KarB MediumFast 2025-12-18 07:43:23 UTC Current
JAGO1_Cañaveral (JAGO) -11.338s
Before 		Unknown 11.50 dB 0 70 JAG2 MediumFast 2025-12-18 07:43:11 UTC View
[samsepi0l] 📡🌐 (tlg0) -11.281s
Before 		-104.0 dBm -10.50 dB 0 70 JAG2 MediumFast 2025-12-18 07:43:11 UTC View
🎄 SkG@Home 📡🌐 (SkGH) -8.363s
Before 		-92.0 dBm -4.00 dB 3 61 TO1 MediumFast 2025-12-18 07:43:14 UTC View
Fenix (FENX) -8.021s
Before 		-116.0 dBm -11.75 dB 3 61 TO1 MediumFast 2025-12-18 07:43:15 UTC View
Eagle’s Nest (EAGL) -7.335s
Before 		-115.0 dBm -5.00 dB 4 74 MediumFast 2025-12-18 07:43:15 UTC View
Villarejo01 (VIL1) -7.224s
Before 		-36.0 dBm 11.00 dB 4 c6 d5c6 MediumFast 2025-12-18 07:43:16 UTC View
PXT_Home (PXT1) -7.218s
Before 		-102.0 dBm 5.00 dB 4 fd BAS2 MediumFast 2025-12-18 07:43:16 UTC View
Malasaña Solar ☀️ (🌇) -7.177s
Before 		-102.0 dBm 6.25 dB 4 98 Kha1 MediumFast 2025-12-18 07:43:16 UTC View
ETH Goose (ET03) -7.086s
Before 		-35.0 dBm 10.75 dB 4 41 ET01 MediumFast 2025-12-18 07:43:16 UTC View
ETH Maverick (ET01) -7.075s
Before 		-105.0 dBm -14.25 dB 3 61 TO1 MediumFast 2025-12-18 07:43:16 UTC View
Varela Bot 🏡🤖 (🤖) -6.431s
Before 		-81.0 dBm 9.50 dB 4 1c 🏡 MediumFast 2025-12-18 07:43:16 UTC View
Wake Up, Neo...📡 (NEO) -6.405s
Before 		-104.0 dBm -7.25 dB 4 f5 RPT4 MediumFast 2025-12-18 07:43:16 UTC View
Quass001 ☄️ (Q001) -6.251s
Before 		-50.0 dBm 10.50 dB 4 3a Q005 MediumFast 2025-12-18 07:43:17 UTC View
Karabanchel_Baldur (KarB) -4.408s
Before 		-92.0 dBm 1.75 dB 3 2d SkyB MediumFast 2025-12-18 07:43:18 UTC View
Meshtastic b2b4📡🌐 (b2b4) -4.396s
Before 		-109.0 dBm -7.00 dB 3 2d SkyB MediumFast 2025-12-18 07:43:18 UTC View
🤖 Nicolas Cage 🌐 (Cage) -4.164s
Before 		-65.0 dBm 10.75 dB 3 2d SkyB MediumFast 2025-12-18 07:43:19 UTC View
tizon (Sylv) -4.103s
Before 		-110.0 dBm -1.50 dB 3 2d SkyB MediumFast 2025-12-18 07:43:19 UTC View
Skynet (Sky) +19.882s
After 		-39.0 dBm 10.75 dB 3 2d SkyB MediumFast 2025-12-18 07:43:43 UTC View
19

Total Receptions

19

Unique Gateways