Packet #28234403 Success

NODEINFO_APP packet from MT14 Sierra (mtbc) to !ffffffff

26
Total Receptions
26
Unique Gateways
3
Hop Count
76
Payload Bytes
Packet Information
Database ID: 28234403
Mesh Packet ID: 0x372a8dff
Used for correlation across gateways
Timestamp: 2025-12-17 08:52:42 UTC
From Node: MT14 Sierra (mtbc)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: NODEINFO_APP
Port: 4
Gateway: Karabanchel_Baldur (KarB)
Channel: MediumFast
RSSI: -95 dBm
SNR: 1.75 dBm
Hop Info: 3/7 hops
Start: 7, Limit: 4
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: 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:!13280088
Channel:MediumFast
Payload Type:NODEINFO_APP
Hop Count:3 / 7
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 !13280088
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 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 4
Remaining hops allowed 		uint32
hop_start 7
Initial hop limit 		uint32
hops_taken 3
Calculated: hop_start - hop_limit 		derived
rx_rssi -95.0 dBm
Signal strength at gateway 		int32
rx_snr 1.75 dB
Signal quality at gateway 		float
rx_time 1765961562
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 1765961562.7347665
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: !13280088
Signal Metrics: RSSI: -95.0 dBm
SNR: 1.75 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": "!13280088", "channel_id": "MediumFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 3121379584, "to": 4294967295, "id": 925535743, "rx_time": 1765961562, "rx_snr": 1.75, "rx_rssi": -95, "hop_limit": 4, "hop_start": 7, "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": "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 Relay Channel Timestamp Actions
Karabanchel_Baldur (KarB) Primary 0.000s
Reference 		-95.0 dBm 1.75 dB 3 1c 🐷 MediumFast 2025-12-17 08:52:42 UTC Current
Venturada2🗼🌐☀️ (Vb2) -2.092s
Before 		-74.0 dBm 9.25 dB 1 10 Vbt MediumFast 2025-12-17 08:52:40 UTC View
ETH Maverick (ET01) -1.201s
Before 		-106.0 dBm -5.50 dB 2 61 TO1 MediumFast 2025-12-17 08:52:41 UTC View
Villarejo01 (VIL1) -1.118s
Before 		-118.0 dBm -13.75 dB 2 61 TO1 MediumFast 2025-12-17 08:52:41 UTC View
Varela Bot 🏡🤖 (🤖) -0.818s
Before 		-80.0 dBm 8.00 dB 2 1c 🏡 MediumFast 2025-12-17 08:52:41 UTC View
Eagle’s Nest (EAGL) -0.723s
Before 		-99.0 dBm 8.00 dB 3 48 SMR1 MediumFast 2025-12-17 08:52:42 UTC View
[samsepi0l] 📡🌐 (tlg0) -0.686s
Before 		-87.0 dBm 4.00 dB 3 48 SMR1 MediumFast 2025-12-17 08:52:42 UTC View
Zion 🗼 (Zion) -0.365s
Before 		-114.0 dBm -12.75 dB 3 fd BAS2 MediumFast 2025-12-17 08:52:42 UTC View
Meshtastic 1760 (1760) -0.243s
Before 		-117.0 dBm -1.75 dB 2 f5 RPT4 MediumFast 2025-12-17 08:52:42 UTC View
ETH Goose (ET03) -0.152s
Before 		-37.0 dBm 11.00 dB 3 41 ET01 MediumFast 2025-12-17 08:52:42 UTC View
🎄 SkG@Home 📡🌐 (SkGH) -0.143s
Before 		-84.0 dBm -14.25 dB 3 56 8d56 , 3d56 MediumFast 2025-12-17 08:52:42 UTC View
JAGO1_Cañaveral (JAGO) -0.069s
Before 		-120.0 dBm -12.00 dB 3 b0 Vbm , PUPM , Vb2 MediumFast 2025-12-17 08:52:42 UTC View
🤖 Nicolas Cage 🌐 (Cage) +0.275s
After 		-95.0 dBm 9.75 dB 3 1c 🐷 MediumFast 2025-12-17 08:52:43 UTC View
tizon (Sylv) +0.353s
After 		-110.0 dBm -2.00 dB 3 1c 🐷 MediumFast 2025-12-17 08:52:43 UTC View
PXT_Home (PXT1) +0.566s
After 		-90.0 dBm 10.00 dB 3 fd BAS2 MediumFast 2025-12-17 08:52:43 UTC View
Fenix (FENX) +0.921s
After 		-114.0 dBm -9.50 dB 3 1c 🐷 MediumFast 2025-12-17 08:52:43 UTC View
Wake Up, Neo...📡 (NEO) +0.932s
After 		-91.0 dBm -0.75 dB 3 88 POZ1 , 2b88 MediumFast 2025-12-17 08:52:43 UTC View
Getafe ☀️ (GTF) +1.052s
After 		-124.0 dBm -13.00 dB 3 1c 🐷 MediumFast 2025-12-17 08:52:43 UTC View
P3 iGate 🏠🌐 (P3N2) +1.163s
After 		-36.0 dBm 10.25 dB 4 25 P3N1 MediumFast 2025-12-17 08:52:43 UTC View
Ocumare Norte🗼🌐 (RRN) +1.360s
After 		-65.0 dBm 10.00 dB 3 98 TCLB MediumFast 2025-12-17 08:52:44 UTC View
Meshtastic 18a4 (18a4) +1.500s
After 		-62.0 dBm 14.00 dB 3 60 1760 MediumFast 2025-12-17 08:52:44 UTC View
GRN1-Base🗼🌐 🔋 (GRN1) +1.509s
After 		-97.0 dBm 1.25 dB 3 0b RPT1 MediumFast 2025-12-17 08:52:44 UTC View
Quass001 ☄️ (Q001) +1.820s
After 		-50.0 dBm 10.25 dB 3 3a Q005 MediumFast 2025-12-17 08:52:44 UTC View
Quixote_JS8_5🗼🌐 (QXT5) +1.840s
After 		-113.0 dBm -8.50 dB 4 - MediumFast 2025-12-17 08:52:44 UTC View
Quixote_JS8_7 (QXT7) +1.842s
After 		-18.0 dBm 11.00 dB 4 - MediumFast 2025-12-17 08:52:44 UTC View
Meshtastic 870c📡🌐 (870c) +4.910s
After 		-95.0 dBm 7.50 dB 5 dc d0dc MediumFast 2025-12-17 08:52:47 UTC View
26

Total Receptions

26

Unique Gateways