Packet #27811904 Success

NODEINFO_APP packet from LCG1 Ameas (LCG1) to !ffffffff

28
Total Receptions
28
Unique Gateways
4
Hop Count
76
Payload Bytes
Packet Information
Database ID: 27811904
Mesh Packet ID: 0x5c992564
Used for correlation across gateways
Timestamp: 2025-12-15 11:57:25 UTC
From Node: LCG1 Ameas (LCG1)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: NODEINFO_APP
Port: 4
Gateway: 🎄 SkG@Home 📡🌐 (SkGH)
Channel: MediumFast
RSSI: -83 dBm
SNR: -13.0 dBm
Hop Info: 4/4 hops
Start: 4, Limit: 0
Relay Node: 56 8d56 , 3d56
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: 76 bytes
Decoded: Yes
Decoded Data:
Long Name:LCG1 Ameas
Short Name:LCG1
Node ID:!ba6a5ce8
MAC Address:ECC6alzo
Hardware:HELTEC_V3
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:76 bytes
Gateway:!13267e64
Channel:MediumFast
Payload Type:NODEINFO_APP
Hop Count:4 / 4
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: MediumFast
+ 1 more...
Exposure Risks:
⚠ Visible to all nodes on channel
⚠ Packet visible to MQTT subscribers
+ 2 more...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !13267e64
Node ID format
channel_id MediumFast
packet MeshPacket (76 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 3127532776
Source node ID 		uint32
to 4294967295 (Broadcast)
Visible to all nodes 		uint32
decoded.portnum 4
NODEINFO_APP 		enum
decoded.payload_length 76 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 -83.0 dBm
Signal strength at gateway 		int32
rx_snr -13.00 dB
Signal quality at gateway 		float
rx_time 1765799845
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 86
Relay node ID 		uint32
tx_after Not set uint32
timestamp 1765799845.0707407
Unix timestamp 		uint32
MQTT Privacy & Exposure Analysis

Analysis of privacy features and exposure risks when packet is shared via MQTT

Exposure Level: Broadcast
Privacy Features:
  • ✓ Direct LoRa transmission (not via MQTT)
  • ✓ Custom channel: MediumFast
  • ✓ Gateway node ID tracked
Exposure Risks:
  • ⚠ Visible to all nodes on channel
  • ⚠ Packet visible to MQTT subscribers
  • ⚠ Multi-hop path visible (4 hops)
  • ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !13267e64
Signal Metrics: RSSI: -83.0 dBm
SNR: -13.00 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:NODEINFO_APP
Size:76 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "id": "!ba6a5ce8", "long_name": "LCG1 Ameas ", "short_name": "LCG1", "macaddr": "ECC6alzo", "hw_model": "HELTEC_V3" }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!13267e64", "channel_id": "MediumFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 3127532776, "to": 4294967295, "id": 1553540452, "rx_time": 1765799845, "rx_snr": -13.0, "rx_rssi": -83, "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": 86, "tx_after": 0, "decoded": { "portnum": 4, "payload": "0a09216261366135636538120b4c43473120416d656173201a044c43473122061020ba6a5ce8282b42204eb872d6ea62c578e7087abcced28842899dd13109ad760d9e6e98495628e17f4800", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "id": "!ba6a5ce8", "long_name": "LCG1 Ameas ", "short_name": "LCG1", "macaddr": "ECC6alzo", "hw_model": "HELTEC_V3", "public_key": "Trhy1upixXjnCHq8ztKIQomd0TEJrXYNnm6YSVYo4X8=", "is_unmessagable": false, "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } } } }
Raw Packet Data (76 bytes)
0a09216261366135636538120b4c43473120416d656173201a044c43473122061020ba6a5ce8282b42204eb872d6ea62c578e7087abcced28842899dd13109ad760d9e6e98495628e17f4800
Hex Analysis:
Size:76 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
🎄 SkG@Home 📡🌐 (SkGH) Primary 0.000s
Reference 		-83.0 dBm -13.00 dB 4 56 8d56 , 3d56 MediumFast 2025-12-15 11:57:25 UTC Current
GRN1-Base🗼🌐 🔋 (GRN1) -3.644s
Before 		-106.0 dBm -7.50 dB 1 - MediumFast 2025-12-15 11:57:21 UTC View
JPL73B2_Node (JPL2) -3.642s
Before 		-97.0 dBm -12.75 dB 1 - MediumFast 2025-12-15 11:57:21 UTC View
JPL73B4_Node (JPL4) -3.626s
Before 		Unknown Unknown 2 08 JPL2 MediumFast 2025-12-15 11:57:21 UTC View
Wake Up, Neo...📡 (NEO) -3.228s
Before 		-102.0 dBm -7.50 dB 2 f5 RPT4 MediumFast 2025-12-15 11:57:21 UTC View
Meshtastic 26b0 (26b0) -3.225s
Before 		-101.0 dBm -0.75 dB 2 f5 RPT4 MediumFast 2025-12-15 11:57:21 UTC View
XiaoWatt c4c8 🌐🔌 (c4c8) -3.191s
Before 		-100.0 dBm -10.75 dB 2 f5 RPT4 MediumFast 2025-12-15 11:57:21 UTC View
Quass001 ☄️ (Q001) -3.177s
Before 		-48.0 dBm 10.25 dB 1 3a Q005 MediumFast 2025-12-15 11:57:21 UTC View
Varela Bot 🏡🤖 (🤖) -2.987s
Before 		-75.0 dBm 9.25 dB 2 1c 🏡 MediumFast 2025-12-15 11:57:22 UTC View
Meshtastic 1760 (1760) -2.889s
Before 		-118.0 dBm -1.75 dB 2 f5 RPT4 MediumFast 2025-12-15 11:57:22 UTC View
Aldinra_1640_🗼_🌐 (AldB) -2.865s
Before 		-115.0 dBm -6.75 dB 2 f5 RPT4 MediumFast 2025-12-15 11:57:22 UTC View
Rodashtastic🗼🌐 (RDSt) -2.729s
Before 		-115.0 dBm -5.75 dB 2 e8 GRN1 MediumFast 2025-12-15 11:57:22 UTC View
MakeSpaceMadrid (MKS) -2.151s
Before 		-94.0 dBm 9.75 dB 3 d1 MKS2 MediumFast 2025-12-15 11:57:22 UTC View
EA4GGL (4GGL) -2.142s
Before 		-127.0 dBm -12.50 dB 3 25 🌇 MediumFast 2025-12-15 11:57:22 UTC View
Justicia Meshtastic b0e4 🏢 (b0e4) -2.135s
Before 		-117.0 dBm -12.50 dB 3 25 🌇 MediumFast 2025-12-15 11:57:22 UTC View
ETH Maverick (ET01) -1.624s
Before 		-92.0 dBm 7.50 dB 3 72 Knb1 MediumFast 2025-12-15 11:57:23 UTC View
Ocumare Norte🗼🌐 (RRN) -1.444s
Before 		-63.0 dBm 10.75 dB 3 98 TCLB MediumFast 2025-12-15 11:57:23 UTC View
Eagle’s Nest (EAGL) -1.430s
Before 		-97.0 dBm 8.00 dB 4 48 SMR1 MediumFast 2025-12-15 11:57:23 UTC View
Karabanchel_Baldur (KarB) -1.418s
Before 		-87.0 dBm 4.25 dB 4 24 vid MediumFast 2025-12-15 11:57:23 UTC View
tizon (Sylv) -1.163s
Before 		-114.0 dBm -6.25 dB 4 24 vid MediumFast 2025-12-15 11:57:23 UTC View
Fenix (FENX) -1.154s
Before 		-115.0 dBm -11.00 dB 4 24 vid MediumFast 2025-12-15 11:57:23 UTC View
Meshtastic 18a4 (18a4) -1.044s
Before 		-59.0 dBm 14.00 dB 3 60 1760 MediumFast 2025-12-15 11:57:24 UTC View
PXT_Home (PXT1) -0.885s
Before 		-96.0 dBm 3.25 dB 4 fd BAS2 MediumFast 2025-12-15 11:57:24 UTC View
ETH Goose (ET03) -0.741s
Before 		-113.0 dBm -9.25 dB 3 72 Knb1 MediumFast 2025-12-15 11:57:24 UTC View
JAGO1_Cañaveral (JAGO) -0.673s
Before 		Unknown 11.25 dB 4 70 JAG2 MediumFast 2025-12-15 11:57:24 UTC View
P3 iGate 🏠🌐 (P3N2) -0.445s
Before 		-35.0 dBm 10.00 dB 4 25 P3N1 MediumFast 2025-12-15 11:57:24 UTC View
Mec Rocket Meco (MRM) -0.441s
Before 		-108.0 dBm -7.50 dB 4 a8 CALB MediumFast 2025-12-15 11:57:24 UTC View
Skynet (Sky) -0.174s
Before 		-62.0 dBm 6.25 dB 4 24 vid MediumFast 2025-12-15 11:57:24 UTC View
28

Total Receptions

28

Unique Gateways