Packet #2453517 Success

POSITION_APP packet from LZ4NY🙍🇧🇬 (MIRO) to MeshMonitor VR (VRMM)

10
Total Receptions
5
Unique Gateways
0
Hop Count
18
Payload Bytes
Packet Information
Database ID: 2453517
Mesh Packet ID: 0xca504a0a
Used for correlation across gateways
Timestamp: 2026-03-21 22:04:47 UTC
From Node: LZ4NY🙍🇧🇬 (MIRO)
To Node: MeshMonitor VR (VRMM)
Success: Processed
Protocol: POSITION_APP
Port: 3
Gateway: Vratsa HV4-2 🇧🇬 ba48 (VRH4)
Channel: Bulgaria
RSSI: -28 dBm
SNR: 14.25 dBm
Hop Info: 0/2 hops
Start: 2, Limit: 2
Relay Node: 81 MIRO
Last byte of the last hop that relayed this packet - Candidate source node(s) based on 0-hop direct receptions
Payload Data
Protocol: POSITION_APP
Size: 18 bytes
Decoded: Yes
Decoded Data:
Latitude:43.221990°
Longitude:23.544963°
Altitude:348 m
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:18 bytes
Gateway:!6982ba48
Channel:Bulgaria
Payload Type:POSITION_APP
Hop Count:Unknown / 2
Privacy Summary
Exposure Level:
Direct Message
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Targeted to specific node
+ 3 more...
Exposure Risks:
⚠ Packet visible to MQTT subscribers
⚠ RF signal metrics exposed (location inference possible)
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !6982ba48
Node ID format
channel_id Bulgaria
packet MeshPacket (18 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 1786817921
Source node ID 		uint32
to 1128024868
Target node ID 		uint32
decoded.portnum 3
POSITION_APP 		enum
decoded.payload_length 18 bytes size
hop_limit 2
Remaining hops allowed 		uint32
hop_start 2
Initial hop limit 		uint32
hops_taken 0
Calculated: hop_start - hop_limit 		derived
rx_rssi -28.0 dBm
Signal strength at gateway 		int32
rx_snr 14.25 dB
Signal quality at gateway 		float
rx_time 1774130687
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 36
Next hop node ID 		uint32
relay_node 129
Relay node ID 		uint32
tx_after Not set uint32
timestamp 1774130687.8718746
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: Bulgaria
  • ✓ Gateway node ID tracked
  • ✓ Zero-hop: direct from source to MQTT gateway
Exposure Risks:
  • ⚠ Packet visible to MQTT subscribers
  • ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !6982ba48
Zero Hop Policy: Enabled
Direct gateway connection
Signal Metrics: RSSI: -28.0 dBm
SNR: 14.25 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:POSITION_APP
Size:18 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "latitude": 43.22199, "longitude": 23.5449633, "altitude": 348, "sats_in_view": null, "precision_bits": null }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!6982ba48", "channel_id": "Bulgaria", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 1786817921, "to": 1128024868, "id": 3394259466, "rx_time": 1774130687, "rx_snr": 14.25, "rx_rssi": -28, "hop_limit": 2, "hop_start": 2, "via_mqtt": 0, "want_ack": 0, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": 0, "next_hop": 36, "relay_node": 129, "tx_after": 0, "decoded": { "portnum": 3, "payload": "0dfc26c3191521ad080e18dc0225ff15bf69", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 432219900, "longitude_i": 235449633, "altitude": 348, "time": 1774130687, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }
Raw Packet Data (18 bytes)
0dfc26c3191521ad080e18dc0225ff15bf69
Hex Analysis:
Size:18 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
Vratsa HV4-2 🇧🇬 ba48 (VRH4) Primary 0.000s
Reference 		-28.0 dBm 14.25 dB 0 81 MIRO Bulgaria 2026-03-21 22:04:47 UTC Current
Vratsa HV4-2 🇧🇬 ba48 (VRH4) +0.124s
After 		-28.0 dBm 14.25 dB 0 81 MIRO Bulgaria 2026-03-21 22:04:47 UTC View
TC2-BBS VR 📬🇧🇬 (TBBS) +0.210s
After 		-53.0 dBm 10.25 dB 0 81 MIRO Bulgaria 2026-03-21 22:04:48 UTC View
Vratsa G1 🇧🇬🌐🛰️ (VRG1) +0.225s
After 		-56.0 dBm 13.25 dB 0 81 MIRO Bulgaria 2026-03-21 22:04:48 UTC View
Vratsa Telegram Bot 🇧🇬🤖🛰️ (VRTB) +0.235s
After 		-41.0 dBm 13.25 dB 0 81 MIRO Bulgaria 2026-03-21 22:04:48 UTC View
MeshMonitor VR (VRMM) +0.476s
After 		-62.0 dBm 13.25 dB 0 81 MIRO Bulgaria 2026-03-21 22:04:48 UTC View
Vratsa G1 🇧🇬🌐🛰️ (VRG1) +0.770s
After 		-56.0 dBm 13.25 dB 0 81 MIRO Bulgaria 2026-03-21 22:04:48 UTC View
TC2-BBS VR 📬🇧🇬 (TBBS) +0.887s
After 		-53.0 dBm 10.25 dB 0 81 MIRO Bulgaria 2026-03-21 22:04:48 UTC View
Vratsa Telegram Bot 🇧🇬🤖🛰️ (VRTB) +1.080s
After 		-41.0 dBm 13.25 dB 0 81 MIRO Bulgaria 2026-03-21 22:04:48 UTC View
MeshMonitor VR (VRMM) +1.255s
After 		-62.0 dBm 13.25 dB 0 81 MIRO Bulgaria 2026-03-21 22:04:49 UTC View
10

Total Receptions

5

Unique Gateways