Packet #39544738 Success

POSITION_APP packet from Woods Mesh 🌲 (WUDZ) to kwarc.org c908 (KWC)

45
Total Receptions
1
Unique Gateways
0
Hop Count
23
Payload Bytes
Packet Information
Database ID: 39544738
Mesh Packet ID: 0x129870b7
Used for correlation across gateways
Timestamp: 2026-05-16 10:53:06 UTC
From Node: Woods Mesh 🌲 (WUDZ)
To Node: kwarc.org c908 (KWC)
Success: Processed
Protocol: POSITION_APP
Port: 3
Gateway: Woods Mesh 🌲 (WUDZ)
Channel: LongFast
RSSI: Unknown
SNR: Unknown
Hop Info: 0/3 hops
Start: 3, Limit: 3
Relay Node: c4 WUDZ
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:311 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:LongFast
Payload Type:POSITION_APP
Hop Count:Unknown / 3
Privacy Summary
Exposure Level:
Direct Message
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Targeted to specific node
+ 3 more...
Exposure Risks:
âš  Default channel - no encryption
âš  Packet visible to MQTT subscribers
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

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

Core mesh packet with routing and payload information

FieldValueType
from 2658609348
Source node ID
uint32
to 3812346120
Target node ID
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 Not set int32
rx_snr Not set float
rx_time 1778928745
Receive timestamp
fixed32
via_mqtt False
Direct LoRa transmission
bool
want_ack False
No ACK requested
bool
priority 70
Packet priority level
enum
delayed Not set enum
channel Not set uint32
pki_encrypted False
Standard encryption
bool
next_hop Not set uint32
relay_node 196
Relay node ID
uint32
tx_after Not set uint32
timestamp 1778928786.6327803
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
  • ✓ Gateway node ID tracked
  • ✓ Reduced position precision: ~5800.0m accuracy
  • ✓ Zero-hop: direct from source to MQTT gateway
Exposure Risks:
  • âš  Default channel - no encryption
  • âš  Packet visible to MQTT subscribers
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
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": 311, "sats_in_view": null, "precision_bits": 12 }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!9e7728c4", "channel_id": "LongFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 2658609348, "to": 3812346120, "id": 311980215, "rx_time": 1778928745, "rx_snr": 0.0, "rx_rssi": 0, "hop_limit": 3, "hop_start": 3, "via_mqtt": false, "want_ack": false, "priority": 70, "delayed": 0, "channel_index": null, "pki_encrypted": false, "next_hop": 0, "relay_node": 196, "tx_after": 0, "decoded": { "portnum": 3, "payload": "0d0000b819150000a8cf18b70225694c086a2801b8010c", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 431489024, "longitude_i": -811073536, "altitude": 311, "time": 1778928745, "location_source": "LOC_MANUAL", "precision_bits": 12, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }
Raw Packet Data (23 bytes)
0d0000b819150000a8cf18b70225694c086a2801b8010c
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
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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
Unknown Unknown 0 c4 WUDZ LongFast 2026-05-16 10:53:06 UTC Current
Woods Mesh 🌲 (WUDZ) -1.099s
Before
Unknown Unknown 0 c4 WUDZ LongFast 2026-05-16 10:53:05 UTC View
Woods Mesh 🌲 (WUDZ) -0.643s
Before
Unknown Unknown 0 c4 WUDZ LongFast 2026-05-16 10:53:05 UTC View
Woods Mesh 🌲 (WUDZ) -0.608s
Before
Unknown Unknown 0 c4 WUDZ LongFast 2026-05-16 10:53:06 UTC View
Woods Mesh 🌲 (WUDZ) -0.596s
Before
Unknown Unknown 0 c4 WUDZ LongFast 2026-05-16 10:53:06 UTC View
Woods Mesh 🌲 (WUDZ) -0.584s
Before
Unknown Unknown 0 c4 WUDZ LongFast 2026-05-16 10:53:06 UTC View
Woods Mesh 🌲 (WUDZ) -0.573s
Before
Unknown Unknown 0 c4 WUDZ LongFast 2026-05-16 10:53:06 UTC View
Woods Mesh 🌲 (WUDZ) -0.499s
Before
Unknown Unknown 0 c4 WUDZ LongFast 2026-05-16 10:53:06 UTC View
Woods Mesh 🌲 (WUDZ) -0.462s
Before
Unknown Unknown 0 c4 WUDZ MediumFast 2026-05-16 10:53:06 UTC View
Woods Mesh 🌲 (WUDZ) -0.428s
Before
Unknown Unknown 0 c4 WUDZ LongFast 2026-05-16 10:53:06 UTC View
Woods Mesh 🌲 (WUDZ) -0.392s
Before
Unknown Unknown 0 c4 WUDZ MediumFast 2026-05-16 10:53:06 UTC View
Woods Mesh 🌲 (WUDZ) -0.315s
Before
Unknown Unknown 0 c4 WUDZ LongFast 2026-05-16 10:53:06 UTC View
Woods Mesh 🌲 (WUDZ) -0.292s
Before
Unknown Unknown 0 c4 WUDZ MediumFast 2026-05-16 10:53:06 UTC View
Woods Mesh 🌲 (WUDZ) -0.257s
Before
Unknown Unknown 0 c4 WUDZ MediumFast 2026-05-16 10:53:06 UTC View
Woods Mesh 🌲 (WUDZ) -0.224s
Before
Unknown Unknown 0 c4 WUDZ LongFast 2026-05-16 10:53:06 UTC View
Woods Mesh 🌲 (WUDZ) -0.172s
Before
Unknown Unknown 0 c4 WUDZ ShortFast 2026-05-16 10:53:06 UTC View
Woods Mesh 🌲 (WUDZ) -0.103s
Before
Unknown Unknown 0 c4 WUDZ MediumFast 2026-05-16 10:53:06 UTC View
Woods Mesh 🌲 (WUDZ) +0.044s
After
Unknown Unknown 0 c4 WUDZ ShortFast 2026-05-16 10:53:06 UTC View
Woods Mesh 🌲 (WUDZ) +0.150s
After
Unknown Unknown 0 c4 WUDZ MediumFast 2026-05-16 10:53:06 UTC View
Woods Mesh 🌲 (WUDZ) +0.226s
After
Unknown Unknown 0 c4 WUDZ ShortFast 2026-05-16 10:53:06 UTC View
Woods Mesh 🌲 (WUDZ) +0.261s
After
Unknown Unknown 0 c4 WUDZ MediumFast 2026-05-16 10:53:06 UTC View
Woods Mesh 🌲 (WUDZ) +0.334s
After
Unknown Unknown 0 c4 WUDZ ShortFast 2026-05-16 10:53:06 UTC View
Woods Mesh 🌲 (WUDZ) +0.399s
After
Unknown Unknown 0 c4 WUDZ MediumFast 2026-05-16 10:53:07 UTC View
Woods Mesh 🌲 (WUDZ) +0.557s
After
Unknown Unknown 0 c4 WUDZ ShortFast 2026-05-16 10:53:07 UTC View
Woods Mesh 🌲 (WUDZ) +0.603s
After
Unknown Unknown 0 c4 WUDZ ShortFast 2026-05-16 10:53:07 UTC View
Woods Mesh 🌲 (WUDZ) +0.650s
After
Unknown Unknown 0 c4 WUDZ ShortFast 2026-05-16 10:53:07 UTC View
Woods Mesh 🌲 (WUDZ) +0.748s
After
Unknown Unknown 0 c4 WUDZ ShortFast 2026-05-16 10:53:07 UTC View
Woods Mesh 🌲 (WUDZ) +0.760s
After
Unknown Unknown 0 c4 WUDZ ShortTurbo 2026-05-16 10:53:07 UTC View
Woods Mesh 🌲 (WUDZ) +0.772s
After
Unknown Unknown 0 c4 WUDZ MediumFast 2026-05-16 10:53:07 UTC View
Woods Mesh 🌲 (WUDZ) +0.853s
After
Unknown Unknown 0 c4 WUDZ ShortTurbo 2026-05-16 10:53:07 UTC View
Woods Mesh 🌲 (WUDZ) +0.917s
After
Unknown Unknown 0 c4 WUDZ MediumFast 2026-05-16 10:53:07 UTC View
Woods Mesh 🌲 (WUDZ) +1.185s
After
Unknown Unknown 0 c4 WUDZ ShortTurbo 2026-05-16 10:53:07 UTC View
Woods Mesh 🌲 (WUDZ) +1.229s
After
Unknown Unknown 0 c4 WUDZ LongFast 2026-05-16 10:53:07 UTC View
Woods Mesh 🌲 (WUDZ) +1.271s
After
Unknown Unknown 0 c4 WUDZ ShortTurbo 2026-05-16 10:53:07 UTC View
Woods Mesh 🌲 (WUDZ) +1.451s
After
Unknown Unknown 0 c4 WUDZ ShortTurbo 2026-05-16 10:53:08 UTC View
Woods Mesh 🌲 (WUDZ) +1.640s
After
Unknown Unknown 0 c4 WUDZ ShortTurbo 2026-05-16 10:53:08 UTC View
Woods Mesh 🌲 (WUDZ) +1.777s
After
Unknown Unknown 0 c4 WUDZ ShortTurbo 2026-05-16 10:53:08 UTC View
Woods Mesh 🌲 (WUDZ) +1.853s
After
Unknown Unknown 0 c4 WUDZ MediumFast 2026-05-16 10:53:08 UTC View
Woods Mesh 🌲 (WUDZ) +2.005s
After
Unknown Unknown 0 c4 WUDZ ShortFast 2026-05-16 10:53:08 UTC View
Woods Mesh 🌲 (WUDZ) +2.073s
After
Unknown Unknown 0 c4 WUDZ ShortFast 2026-05-16 10:53:08 UTC View
Woods Mesh 🌲 (WUDZ) +2.276s
After
Unknown Unknown 0 c4 WUDZ ShortTurbo 2026-05-16 10:53:08 UTC View
Woods Mesh 🌲 (WUDZ) +2.311s
After
Unknown Unknown 0 c4 WUDZ ShortTurbo 2026-05-16 10:53:08 UTC View
Woods Mesh 🌲 (WUDZ) +2.968s
After
Unknown Unknown 0 c4 WUDZ ShortTurbo 2026-05-16 10:53:09 UTC View
Woods Mesh 🌲 (WUDZ) +4.897s
After
Unknown Unknown 0 c4 WUDZ ShortFast 2026-05-16 10:53:11 UTC View
Woods Mesh 🌲 (WUDZ) +5.234s
After
Unknown Unknown 0 c4 WUDZ ShortTurbo 2026-05-16 10:53:11 UTC View
45

Total Receptions

1

Unique Gateways