Packet #27081566 Success

NODEINFO_APP packet from [samsepi0l] 📡🌐 (tlg0) to !ffffffff

23
Total Receptions
23
Unique Gateways
3
Hop Count
87
Payload Bytes
Packet Information
Database ID: 27081566
Mesh Packet ID: 0x23f5f48e
Used for correlation across gateways
Timestamp: 2025-12-12 00:17:26 UTC
From Node: [samsepi0l] 📡🌐 (tlg0)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: NODEINFO_APP
Port: 4
Gateway: tizon (Sylv)
Channel: MediumFast
RSSI: -119 dBm
SNR: -9.5 dBm
Hop Info: 3/4 hops
Start: 4, Limit: 1
Relay Node: 1c 🐷
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: 87 bytes
Decoded: Yes
Decoded Data:
Long Name:[samsepi0l] 📡🌐
Short Name:tlg0
Node ID:!69828c38
MAC Address:kHBpgow4
Hardware:HELTEC_V4
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:87 bytes
Gateway:!9e7809e8
Channel:MediumFast
Payload Type:NODEINFO_APP
Hop Count:3 / 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 !9e7809e8
Node ID format
channel_id MediumFast
packet MeshPacket (87 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 1770163256
Source node ID 		uint32
to 4294967295 (Broadcast)
Visible to all nodes 		uint32
decoded.portnum 4
NODEINFO_APP 		enum
decoded.payload_length 87 bytes size
hop_limit 1
Remaining hops allowed 		uint32
hop_start 4
Initial hop limit 		uint32
hops_taken 3
Calculated: hop_start - hop_limit 		derived
rx_rssi -119.0 dBm
Signal strength at gateway 		int32
rx_snr -9.50 dB
Signal quality at gateway 		float
rx_time 1765498645
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 1765498646.90836
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 (3 hops)
  • ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !9e7809e8
Signal Metrics: RSSI: -119.0 dBm
SNR: -9.50 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:NODEINFO_APP
Size:87 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "id": "!69828c38", "long_name": "[samsepi0l] 📡🌐", "short_name": "tlg0", "macaddr": "kHBpgow4", "hw_model": "HELTEC_V4" }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!9e7809e8", "channel_id": "MediumFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 1770163256, "to": 4294967295, "id": 603321486, "rx_time": 1765498645, "rx_snr": -9.5, "rx_rssi": -119, "hop_limit": 1, "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": "0a0921363938323863333812145b73616d73657069306c5d20f09f93a1f09f8c901a04746c67302206907069828c38286e380c42202240a3002d70e47a6192581de08a90831adf001614c73bb8a39d88d557a9ea104800", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "id": "!69828c38", "long_name": "[samsepi0l] 📡🌐", "short_name": "tlg0", "macaddr": "kHBpgow4", "hw_model": "HELTEC_V4", "role": "CLIENT_BASE", "public_key": "IkCjAC1w5Hphklgd4IqQgxrfABYUxzu4o52I1Vep6hA=", "is_unmessagable": false, "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } } } }
Raw Packet Data (87 bytes)
0a0921363938323863333812145b73616d73657069306c5d20f09f93a1f09f8c901a04746c67302206907069828c38286e380c42202240a3002d70e47a6192581de08a90831adf001614c73bb8a39d88d557a9ea104800
Hex Analysis:
Size:87 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
tizon (Sylv) Primary 0.000s
Reference 		-119.0 dBm -9.50 dB 3 1c 🐷 MediumFast 2025-12-12 00:17:26 UTC Current
[samsepi0l] 📡🌐 (tlg0) -2.643s
Before 		Unknown Unknown 0 38 tlg0 MediumFast 2025-12-12 00:17:24 UTC View
JAGO1_Cañaveral (JAGO) -2.614s
Before 		-115.0 dBm -5.75 dB 0 38 tlg0 MediumFast 2025-12-12 00:17:24 UTC View
XiaoWatt c4c8 🌐🔌 (c4c8) -1.635s
Before 		-101.0 dBm -9.50 dB 0 38 tlg0 MediumFast 2025-12-12 00:17:25 UTC View
GRN1-Base🗼🌐 🔋 (GRN1) -1.186s
Before 		-106.0 dBm -3.75 dB 1 - MediumFast 2025-12-12 00:17:25 UTC View
Mec Rocket Meco (MRM) -0.441s
Before 		-113.0 dBm -14.25 dB 1 fc 74fc , Anu2 MediumFast 2025-12-12 00:17:26 UTC View
Karabanchel_Baldur (KarB) -0.342s
Before 		-94.0 dBm 2.75 dB 3 1c 🐷 MediumFast 2025-12-12 00:17:26 UTC View
Meshtastic b2b4📡🌐 (b2b4) -0.340s
Before 		-115.0 dBm -14.75 dB 3 1c 🐷 MediumFast 2025-12-12 00:17:26 UTC View
Rodashtastic🗼🌐 (RDSt) -0.044s
Before 		-116.0 dBm -6.50 dB 2 e8 GRN1 MediumFast 2025-12-12 00:17:26 UTC View
Ocumare Norte🗼🌐 (RRN) +0.004s
After 		-102.0 dBm -6.75 dB 2 b0 Vbm , Vb2 MediumFast 2025-12-12 00:17:26 UTC View
Test_Skynet_01 (TS01) +0.044s
After 		-95.0 dBm 9.25 dB 3 1c 🐷 MediumFast 2025-12-12 00:17:26 UTC View
Getafe ☀️ (GTF) +0.082s
After 		-124.0 dBm -13.50 dB 3 1c 🐷 MediumFast 2025-12-12 00:17:26 UTC View
Eagle’s Nest (EAGL) +0.115s
After 		-113.0 dBm -4.00 dB 3 74 MediumFast 2025-12-12 00:17:27 UTC View
Fenix (FENX) +0.165s
After 		-117.0 dBm -9.25 dB 2 61 TO1 MediumFast 2025-12-12 00:17:27 UTC View
ETH Goose (ET03) +0.190s
After 		-112.0 dBm -8.00 dB 2 72 Knb1 MediumFast 2025-12-12 00:17:27 UTC View
Villarejo01 (VIL1) +0.207s
After 		-118.0 dBm -12.75 dB 2 61 TO1 MediumFast 2025-12-12 00:17:27 UTC View
Meshtastic 1760 (1760) +1.136s
After 		-121.0 dBm -5.75 dB 4 40 AldB MediumFast 2025-12-12 00:17:28 UTC View
Quixote_JS8_7 (QXT7) +4.270s
After 		-18.0 dBm 11.00 dB 4 - MediumFast 2025-12-12 00:17:31 UTC View
Quixote_JS8_5🗼🌐 (QXT5) +4.291s
After 		-114.0 dBm -12.25 dB 4 - MediumFast 2025-12-12 00:17:31 UTC View
PXT_Home (PXT1) +4.294s
After 		-97.0 dBm 9.00 dB 3 fd BAS2 MediumFast 2025-12-12 00:17:31 UTC View
Zion 🗼 (Zion) +4.434s
After 		-116.0 dBm -11.00 dB 3 fd BAS2 MediumFast 2025-12-12 00:17:31 UTC View
Meshtastic JT01 (JT01) +4.446s
After 		-120.0 dBm -11.50 dB 4 22 JT03 MediumFast 2025-12-12 00:17:31 UTC View
🎄 SkG@Home 📡🌐 (SkGH) +5.151s
After 		-103.0 dBm -12.25 dB 4 d7 CRI2 MediumFast 2025-12-12 00:17:32 UTC View
23

Total Receptions

23

Unique Gateways