Packet #14207299 Success

NODEINFO_APP packet from MT14 Sierra (mtbc) to !ffffffff

17
Total Receptions
17
Unique Gateways
3
Hop Count
76
Payload Bytes
Packet Information
Database ID: 14207299
Mesh Packet ID: 0x0b2c106f
Used for correlation across gateways
Timestamp: 2025-10-08 16:49:41 UTC
From Node: MT14 Sierra (mtbc)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: NODEINFO_APP
Port: 4
Gateway: [TLG] 📡🌐🔋🔌 (tlg0)
Channel: MediumSlow
RSSI: -118 dBm
SNR: -14.25 dBm
Hop Info: 3/4 hops
Start: 4, Limit: 1
Payload Data
Protocol: NODEINFO_APP
Size: 76 bytes
Decoded: Yes
Decoded Data:
Long Name:MT14 Sierra
Short Name:mtbc
Node ID:!ba0c7900
MAC Address:ECC6DHkA
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:!da638a24
Channel:MediumSlow
Payload Type:NODEINFO_APP
Hop Count:3 / 4
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: MediumSlow
+ 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 !da638a24
Node ID format
channel_id MediumSlow
packet MeshPacket (76 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 3121379584
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 1
Remaining hops allowed 		uint32
hop_start 4
Initial hop limit 		uint32
hops_taken 3
Calculated: hop_start - hop_limit 		derived
rx_rssi -118.0 dBm
Signal strength at gateway 		int32
rx_snr -14.25 dB
Signal quality at gateway 		float
rx_time 1759942180
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 232
Relay node ID 		uint32
tx_after Not set uint32
timestamp 1759942181.3763764
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: MediumSlow
  • ✓ 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: !da638a24
Signal Metrics: RSSI: -118.0 dBm
SNR: -14.25 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": "!ba0c7900", "long_name": "MT14 Sierra", "short_name": "mtbc", "macaddr": "ECC6DHkA", "hw_model": "HELTEC_V3" }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!da638a24", "channel_id": "MediumSlow", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 3121379584, "to": 4294967295, "id": 187437167, "rx_time": 1759942180, "rx_snr": -14.25, "rx_rssi": -118, "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": 232, "tx_after": 0, "decoded": { "portnum": 4, "payload": "0a09216261306337393030120b4d543134205369657272611a046d74626322061020ba0c7900282b4220b4a592761efa29a835350fbc9c2717cc384c1a5f9ef24b7459b0c31d025d0c2c4800", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "id": "!ba0c7900", "long_name": "MT14 Sierra", "short_name": "mtbc", "macaddr": "ECC6DHkA", "hw_model": "HELTEC_V3", "public_key": "tKWSdh76Kag1NQ+8nCcXzDhMGl+e8kt0WbDDHQJdDCw=", "is_unmessagable": false, "type": "protobuf", "portnum": "NODEINFO_APP", "message_class": "User" } } } }
Raw Packet Data (76 bytes)
0a09216261306337393030120b4d543134205369657272611a046d74626322061020ba0c7900282b4220b4a592761efa29a835350fbc9c2717cc384c1a5f9ef24b7459b0c31d025d0c2c4800
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 Channel Timestamp Actions
[TLG] 📡🌐🔋🔌 (tlg0) Primary 0.000s
Reference 		-118.0 dBm -14.25 dB 3 MediumSlow 2025-10-08 16:49:41 Current
Quass001 ☄️ (Q001) -5.250s
Before 		-107.0 dBm -1.50 dB 0 MediumSlow 2025-10-08 16:49:36 View
Quass002 ☄️ (Q002) -5.008s
Before 		Unknown Unknown 1 MediumSlow 2025-10-08 16:49:36 View
Venturada2🗼🌐☀️ (Vb2) -3.382s
Before 		-112.0 dBm -11.00 dB 1 MediumSlow 2025-10-08 16:49:37 View
XiaoWatt c4c8 🌐🔌 (c4c8) -2.438s
Before 		-95.0 dBm -0.50 dB 2 MediumSlow 2025-10-08 16:49:38 View
Machu Pichu (MaPi) -2.212s
Before 		-106.0 dBm -7.00 dB 2 MediumSlow 2025-10-08 16:49:39 View
GRN1-Base🗼🌐 (GRN1) -2.155s
Before 		-91.0 dBm 4.75 dB 2 MediumSlow 2025-10-08 16:49:39 View
Oxygen EA4HKU (O) -1.438s
Before 		-111.0 dBm -11.00 dB 3 MediumSlow 2025-10-08 16:49:39 View
Carbon EA4HKU (C) -1.181s
Before 		-107.0 dBm 0.25 dB 3 MediumSlow 2025-10-08 16:49:40 View
Meshtastic 1760 (1760) -0.999s
Before 		-120.0 dBm -3.25 dB 3 MediumSlow 2025-10-08 16:49:40 View
Ortem 🚀 2b88 (2b88) -0.997s
Before 		-116.0 dBm -13.00 dB 3 MediumSlow 2025-10-08 16:49:40 View
RodasCard📱🌐 (RDSc) -0.978s
Before 		-96.0 dBm 4.00 dB 3 MediumSlow 2025-10-08 16:49:40 View
Kenobi23 QTH (5aec) -0.934s
Before 		-100.0 dBm 2.00 dB 3 MediumSlow 2025-10-08 16:49:40 View
Rodashtastic🗼🌐 (RDSt) -0.014s
Before 		-114.0 dBm -6.50 dB 3 MediumSlow 2025-10-08 16:49:41 View
Meshtastic 18a4 (18a4) +0.197s
After 		-50.0 dBm 13.50 dB 4 MediumSlow 2025-10-08 16:49:41 View
Kenobi23 movil (5672) +0.809s
After 		-60.0 dBm 8.00 dB 4 MediumSlow 2025-10-08 16:49:42 View
Mec Rocket Meco (MRM) +6.316s
After 		-108.0 dBm -5.75 dB 3 MediumSlow 2025-10-08 16:49:47 View
17

Total Receptions

17

Unique Gateways