Packet #18021755 Success

POSITION_APP packet from Thorndale North Tower (📡) to !ffffffff

45
Total Receptions
1
Unique Gateways
0
Hop Count
23
Payload Bytes
Packet Information
Database ID: 18021755
Mesh Packet ID: 0xac8ccd24
Used for correlation across gateways
Timestamp: 2026-03-27 21:50:32 UTC
From Node: Thorndale North Tower (📡)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: POSITION_APP
Port: 3
Gateway: Woods Mesh 🌲 (WUDZ)
Channel: ShortTurbo
RSSI: -42 dBm
SNR: 6.25 dBm
Hop Info: 0/3 hops
Start: 3, Limit: 3
Relay Node: 34 📡
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: 23 bytes
Decoded: Yes
Decoded Data:
Latitude:43.148902°
Longitude:-81.107354°
Altitude:316 m
Precision:12 bits
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:23 bytes
Gateway:!9e7728c4
Channel:ShortTurbo
Payload Type:POSITION_APP
Hop Count:Unknown / 3
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: ShortTurbo
+ 3 more...
Exposure Risks:
âš  Visible to all nodes on channel
âš  Packet visible to MQTT subscribers
+ 1 more...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !9e7728c4
Node ID format
channel_id ShortTurbo
packet MeshPacket (23 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 3424817204
Source node ID 		uint32
to 4294967295 (Broadcast)
Visible to all nodes 		uint32
decoded.portnum 3
POSITION_APP 		enum
decoded.payload_length 23 bytes size
hop_limit 3
Remaining hops allowed 		uint32
hop_start 3
Initial hop limit 		uint32
hops_taken 0
Calculated: hop_start - hop_limit 		derived
rx_rssi -42.0 dBm
Signal strength at gateway 		int32
rx_snr 6.25 dB
Signal quality at gateway 		float
rx_time 1774648228
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 52
Relay node ID 		uint32
tx_after Not set uint32
timestamp 1774648232.289393
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: ShortTurbo
  • ✓ Gateway node ID tracked
  • ✓ Reduced position precision: ~5800.0m accuracy
  • ✓ Zero-hop: direct from source to MQTT gateway
Exposure Risks:
  • âš  Visible to all nodes on channel
  • âš  Packet visible to MQTT subscribers
  • âš  RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !9e7728c4
Position Precision: 12 bits (~5800.0m accuracy)
Position precision meters: 5800.0
Zero Hop Policy: Enabled
Direct gateway connection
Signal Metrics: RSSI: -42.0 dBm
SNR: 6.25 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:POSITION_APP
Size:23 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "latitude": 43.1489024, "longitude": -81.1073536, "altitude": 316, "sats_in_view": null, "precision_bits": 12 }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!9e7728c4", "channel_id": "ShortTurbo", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 3424817204, "to": 4294967295, "id": 2894908708, "rx_time": 1774648228, "rx_snr": 6.25, "rx_rssi": -42, "hop_limit": 3, "hop_start": 3, "via_mqtt": false, "want_ack": false, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": false, "next_hop": 0, "relay_node": 52, "tx_after": 0, "decoded": { "portnum": 3, "payload": "0d0000b819150000a8cf18bc022541fbc6692801b8010c", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 431489024, "longitude_i": -811073536, "altitude": 316, "time": 1774648129, "location_source": "LOC_MANUAL", "precision_bits": 12, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }
Raw Packet Data (23 bytes)
0d0000b819150000a8cf18bc022541fbc6692801b8010c
Hex Analysis:
Size:23 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
Woods Mesh 🌲 (WUDZ) Primary 0.000s
Reference 		-42.0 dBm 6.25 dB 0 34 📡 ShortTurbo 2026-03-27 21:50:32 UTC Current
Woods Mesh 🌲 (WUDZ) -1.198s
Before 		-42.0 dBm 6.25 dB 0 34 📡 LongFast 2026-03-27 21:50:31 UTC View
Woods Mesh 🌲 (WUDZ) -1.165s
Before 		-42.0 dBm 6.25 dB 0 34 📡 LongFast 2026-03-27 21:50:31 UTC View
Woods Mesh 🌲 (WUDZ) -1.133s
Before 		-42.0 dBm 6.25 dB 0 34 📡 LongFast 2026-03-27 21:50:31 UTC View
Woods Mesh 🌲 (WUDZ) -1.085s
Before 		-42.0 dBm 6.25 dB 0 34 📡 LongFast 2026-03-27 21:50:31 UTC View
Woods Mesh 🌲 (WUDZ) -1.049s
Before 		-42.0 dBm 6.25 dB 0 34 📡 LongFast 2026-03-27 21:50:31 UTC View
Woods Mesh 🌲 (WUDZ) -1.022s
Before 		-42.0 dBm 6.25 dB 0 34 📡 LongFast 2026-03-27 21:50:31 UTC View
Woods Mesh 🌲 (WUDZ) -0.979s
Before 		-42.0 dBm 6.25 dB 0 34 📡 LongFast 2026-03-27 21:50:31 UTC View
Woods Mesh 🌲 (WUDZ) -0.963s
Before 		-42.0 dBm 6.25 dB 0 34 📡 LongFast 2026-03-27 21:50:31 UTC View
Woods Mesh 🌲 (WUDZ) -0.927s
Before 		-42.0 dBm 6.25 dB 0 34 📡 LongFast 2026-03-27 21:50:31 UTC View
Woods Mesh 🌲 (WUDZ) -0.907s
Before 		-42.0 dBm 6.25 dB 0 34 📡 LongFast 2026-03-27 21:50:31 UTC View
Woods Mesh 🌲 (WUDZ) -0.873s
Before 		-42.0 dBm 6.25 dB 0 34 📡 LongFast 2026-03-27 21:50:31 UTC View
Woods Mesh 🌲 (WUDZ) -0.842s
Before 		-42.0 dBm 6.25 dB 0 34 📡 MediumFast 2026-03-27 21:50:31 UTC View
Woods Mesh 🌲 (WUDZ) -0.792s
Before 		-42.0 dBm 6.25 dB 0 34 📡 MediumFast 2026-03-27 21:50:31 UTC View
Woods Mesh 🌲 (WUDZ) -0.757s
Before 		-42.0 dBm 6.25 dB 0 34 📡 MediumFast 2026-03-27 21:50:31 UTC View
Woods Mesh 🌲 (WUDZ) -0.720s
Before 		-42.0 dBm 6.25 dB 0 34 📡 MediumFast 2026-03-27 21:50:31 UTC View
Woods Mesh 🌲 (WUDZ) -0.683s
Before 		-42.0 dBm 6.25 dB 0 34 📡 MediumFast 2026-03-27 21:50:31 UTC View
Woods Mesh 🌲 (WUDZ) -0.654s
Before 		-42.0 dBm 6.25 dB 0 34 📡 MediumFast 2026-03-27 21:50:31 UTC View
Woods Mesh 🌲 (WUDZ) -0.606s
Before 		-42.0 dBm 6.25 dB 0 34 📡 MediumFast 2026-03-27 21:50:31 UTC View
Woods Mesh 🌲 (WUDZ) -0.583s
Before 		-42.0 dBm 6.25 dB 0 34 📡 MediumFast 2026-03-27 21:50:31 UTC View
Woods Mesh 🌲 (WUDZ) -0.548s
Before 		-42.0 dBm 6.25 dB 0 34 📡 MediumFast 2026-03-27 21:50:31 UTC View
Woods Mesh 🌲 (WUDZ) -0.503s
Before 		-42.0 dBm 6.25 dB 0 34 📡 MediumFast 2026-03-27 21:50:31 UTC View
Woods Mesh 🌲 (WUDZ) -0.455s
Before 		-42.0 dBm 6.25 dB 0 34 📡 MediumFast 2026-03-27 21:50:31 UTC View
Woods Mesh 🌲 (WUDZ) -0.414s
Before 		-42.0 dBm 6.25 dB 0 34 📡 ShortFast 2026-03-27 21:50:31 UTC View
Woods Mesh 🌲 (WUDZ) -0.366s
Before 		-42.0 dBm 6.25 dB 0 34 📡 ShortFast 2026-03-27 21:50:31 UTC View
Woods Mesh 🌲 (WUDZ) -0.330s
Before 		-42.0 dBm 6.25 dB 0 34 📡 ShortFast 2026-03-27 21:50:31 UTC View
Woods Mesh 🌲 (WUDZ) -0.297s
Before 		-42.0 dBm 6.25 dB 0 34 📡 ShortFast 2026-03-27 21:50:31 UTC View
Woods Mesh 🌲 (WUDZ) -0.265s
Before 		-42.0 dBm 6.25 dB 0 34 📡 ShortFast 2026-03-27 21:50:32 UTC View
Woods Mesh 🌲 (WUDZ) -0.225s
Before 		-42.0 dBm 6.25 dB 0 34 📡 ShortFast 2026-03-27 21:50:32 UTC View
Woods Mesh 🌲 (WUDZ) -0.208s
Before 		-42.0 dBm 6.25 dB 0 34 📡 ShortFast 2026-03-27 21:50:32 UTC View
Woods Mesh 🌲 (WUDZ) -0.176s
Before 		-42.0 dBm 6.25 dB 0 34 📡 ShortFast 2026-03-27 21:50:32 UTC View
Woods Mesh 🌲 (WUDZ) -0.160s
Before 		-42.0 dBm 6.25 dB 0 34 📡 ShortFast 2026-03-27 21:50:32 UTC View
Woods Mesh 🌲 (WUDZ) -0.126s
Before 		-42.0 dBm 6.25 dB 0 34 📡 ShortFast 2026-03-27 21:50:32 UTC View
Woods Mesh 🌲 (WUDZ) -0.092s
Before 		-42.0 dBm 6.25 dB 0 34 📡 ShortFast 2026-03-27 21:50:32 UTC View
Woods Mesh 🌲 (WUDZ) -0.058s
Before 		-42.0 dBm 6.25 dB 0 34 📡 ShortTurbo 2026-03-27 21:50:32 UTC View
Woods Mesh 🌲 (WUDZ) -0.020s
Before 		-42.0 dBm 6.25 dB 0 34 📡 ShortTurbo 2026-03-27 21:50:32 UTC View
Woods Mesh 🌲 (WUDZ) +0.016s
After 		-42.0 dBm 6.25 dB 0 34 📡 ShortTurbo 2026-03-27 21:50:32 UTC View
Woods Mesh 🌲 (WUDZ) +0.047s
After 		-42.0 dBm 6.25 dB 0 34 📡 ShortTurbo 2026-03-27 21:50:32 UTC View
Woods Mesh 🌲 (WUDZ) +0.082s
After 		-42.0 dBm 6.25 dB 0 34 📡 ShortTurbo 2026-03-27 21:50:32 UTC View
Woods Mesh 🌲 (WUDZ) +0.116s
After 		-42.0 dBm 6.25 dB 0 34 📡 ShortTurbo 2026-03-27 21:50:32 UTC View
Woods Mesh 🌲 (WUDZ) +0.144s
After 		-42.0 dBm 6.25 dB 0 34 📡 ShortTurbo 2026-03-27 21:50:32 UTC View
Woods Mesh 🌲 (WUDZ) +0.159s
After 		-42.0 dBm 6.25 dB 0 34 📡 ShortTurbo 2026-03-27 21:50:32 UTC View
Woods Mesh 🌲 (WUDZ) +0.173s
After 		-42.0 dBm 6.25 dB 0 34 📡 ShortTurbo 2026-03-27 21:50:32 UTC View
Woods Mesh 🌲 (WUDZ) +0.206s
After 		-42.0 dBm 6.25 dB 0 34 📡 ShortTurbo 2026-03-27 21:50:32 UTC View
Woods Mesh 🌲 (WUDZ) +0.237s
After 		-42.0 dBm 6.25 dB 0 34 📡 LongFast 2026-03-27 21:50:32 UTC View
45

Total Receptions

1

Unique Gateways