Packet #39436523 Success

POSITION_APP packet from Some User Lincoln Field (SULF) to !ffffffff

45
Total Receptions
1
Unique Gateways
0
Hop Count
27
Payload Bytes
Packet Information
Database ID: 39436523
Mesh Packet ID: 0x0befe76b
Used for correlation across gateways
Timestamp: 2026-05-16 04:36:28 UTC
From Node: Some User Lincoln Field (SULF)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: POSITION_APP
Port: 3
Gateway: Some User Lincoln Field (SULF)
Channel: MediumFast
RSSI: Unknown
SNR: Unknown
Hop Info: 0/5 hops
Start: 5, Limit: 5
Relay Node: ac SULF
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: 27 bytes
Decoded: Yes
Decoded Data:
Latitude:45.364019°
Longitude:-75.772723°
Altitude:78 m
Precision:14 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:27 bytes
Gateway:!b03c96ac
Channel:MediumFast
Payload Type:POSITION_APP
Hop Count:Unknown / 5
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: MediumFast
+ 3 more...
Exposure Risks:
⚠ Visible to all nodes on channel
⚠ Packet visible to MQTT subscribers
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !b03c96ac
Node ID format
channel_id MediumFast
packet MeshPacket (27 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 2956760748
Source node ID
uint32
to 4294967295 (Broadcast)
Visible to all nodes
uint32
decoded.portnum 3
POSITION_APP
enum
decoded.payload_length 27 bytes size
hop_limit 5
Remaining hops allowed
uint32
hop_start 5
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 1778906186
Receive timestamp
fixed32
via_mqtt False
Direct LoRa transmission
bool
want_ack False
No ACK requested
bool
priority 10
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 172
Relay node ID
uint32
tx_after Not set uint32
timestamp 1778906188.1297874
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
  • ✓ Reduced position precision: ~1500.0m accuracy
  • ✓ Zero-hop: direct from source to MQTT gateway
Exposure Risks:
  • ⚠ Visible to all nodes on channel
  • ⚠ Packet visible to MQTT subscribers
MQTT-Specific Fields
Gateway ID: !b03c96ac
Position Precision: 14 bits (~1500.0m accuracy)
Position precision meters: 1500.0
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:27 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "latitude": 45.3640192, "longitude": -75.7727232, "altitude": 78, "sats_in_view": null, "precision_bits": 14 }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!b03c96ac", "channel_id": "MediumFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 2956760748, "to": 4294967295, "id": 200271723, "rx_time": 1778906186, "rx_snr": 0.0, "rx_rssi": 0, "hop_limit": 5, "hop_start": 5, "via_mqtt": false, "want_ack": false, "priority": 10, "delayed": 0, "channel_index": null, "pki_encrypted": false, "next_hop": 0, "relay_node": 172, "tx_after": 0, "decoded": { "portnum": 3, "payload": "0d00000a1b150000d6d2184e254af4076a28037800800100b8010e", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 453640192, "longitude_i": -757727232, "altitude": 78, "time": 1778906186, "location_source": "LOC_EXTERNAL", "ground_speed": 0, "ground_track": 0, "precision_bits": 14, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }
Raw Packet Data (27 bytes)
0d00000a1b150000d6d2184e254af4076a28037800800100b8010e
Hex Analysis:
Size:27 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
Some User Lincoln Field (SULF) Primary 0.000s
Reference
Unknown Unknown 0 ac SULF MediumFast 2026-05-16 04:36:28 UTC Current
Some User Lincoln Field (SULF) -0.215s
Before
Unknown Unknown 0 ac SULF ShortTurbo 2026-05-16 04:36:27 UTC View
Some User Lincoln Field (SULF) -0.182s
Before
Unknown Unknown 0 ac SULF LongFast 2026-05-16 04:36:27 UTC View
Some User Lincoln Field (SULF) -0.171s
Before
Unknown Unknown 0 ac SULF LongFast 2026-05-16 04:36:27 UTC View
Some User Lincoln Field (SULF) -0.161s
Before
Unknown Unknown 0 ac SULF LongFast 2026-05-16 04:36:27 UTC View
Some User Lincoln Field (SULF) -0.150s
Before
Unknown Unknown 0 ac SULF LongFast 2026-05-16 04:36:27 UTC View
Some User Lincoln Field (SULF) -0.138s
Before
Unknown Unknown 0 ac SULF LongFast 2026-05-16 04:36:27 UTC View
Some User Lincoln Field (SULF) -0.126s
Before
Unknown Unknown 0 ac SULF LongFast 2026-05-16 04:36:28 UTC View
Some User Lincoln Field (SULF) -0.114s
Before
Unknown Unknown 0 ac SULF LongFast 2026-05-16 04:36:28 UTC View
Some User Lincoln Field (SULF) -0.102s
Before
Unknown Unknown 0 ac SULF LongFast 2026-05-16 04:36:28 UTC View
Some User Lincoln Field (SULF) -0.090s
Before
Unknown Unknown 0 ac SULF LongFast 2026-05-16 04:36:28 UTC View
Some User Lincoln Field (SULF) -0.078s
Before
Unknown Unknown 0 ac SULF LongFast 2026-05-16 04:36:28 UTC View
Some User Lincoln Field (SULF) -0.067s
Before
Unknown Unknown 0 ac SULF LongFast 2026-05-16 04:36:28 UTC View
Some User Lincoln Field (SULF) -0.054s
Before
Unknown Unknown 0 ac SULF MediumFast 2026-05-16 04:36:28 UTC View
Some User Lincoln Field (SULF) -0.043s
Before
Unknown Unknown 0 ac SULF MediumFast 2026-05-16 04:36:28 UTC View
Some User Lincoln Field (SULF) -0.033s
Before
Unknown Unknown 0 ac SULF MediumFast 2026-05-16 04:36:28 UTC View
Some User Lincoln Field (SULF) -0.022s
Before
Unknown Unknown 0 ac SULF MediumFast 2026-05-16 04:36:28 UTC View
Some User Lincoln Field (SULF) -0.011s
Before
Unknown Unknown 0 ac SULF MediumFast 2026-05-16 04:36:28 UTC View
Some User Lincoln Field (SULF) +0.011s
After
Unknown Unknown 0 ac SULF MediumFast 2026-05-16 04:36:28 UTC View
Some User Lincoln Field (SULF) +0.022s
After
Unknown Unknown 0 ac SULF MediumFast 2026-05-16 04:36:28 UTC View
Some User Lincoln Field (SULF) +0.033s
After
Unknown Unknown 0 ac SULF MediumFast 2026-05-16 04:36:28 UTC View
Some User Lincoln Field (SULF) +0.046s
After
Unknown Unknown 0 ac SULF MediumFast 2026-05-16 04:36:28 UTC View
Some User Lincoln Field (SULF) +0.058s
After
Unknown Unknown 0 ac SULF MediumFast 2026-05-16 04:36:28 UTC View
Some User Lincoln Field (SULF) +0.070s
After
Unknown Unknown 0 ac SULF ShortFast 2026-05-16 04:36:28 UTC View
Some User Lincoln Field (SULF) +0.082s
After
Unknown Unknown 0 ac SULF ShortFast 2026-05-16 04:36:28 UTC View
Some User Lincoln Field (SULF) +0.094s
After
Unknown Unknown 0 ac SULF ShortFast 2026-05-16 04:36:28 UTC View
Some User Lincoln Field (SULF) +0.106s
After
Unknown Unknown 0 ac SULF ShortFast 2026-05-16 04:36:28 UTC View
Some User Lincoln Field (SULF) +0.118s
After
Unknown Unknown 0 ac SULF ShortFast 2026-05-16 04:36:28 UTC View
Some User Lincoln Field (SULF) +0.130s
After
Unknown Unknown 0 ac SULF ShortFast 2026-05-16 04:36:28 UTC View
Some User Lincoln Field (SULF) +0.141s
After
Unknown Unknown 0 ac SULF ShortFast 2026-05-16 04:36:28 UTC View
Some User Lincoln Field (SULF) +0.152s
After
Unknown Unknown 0 ac SULF ShortFast 2026-05-16 04:36:28 UTC View
Some User Lincoln Field (SULF) +0.163s
After
Unknown Unknown 0 ac SULF ShortFast 2026-05-16 04:36:28 UTC View
Some User Lincoln Field (SULF) +0.174s
After
Unknown Unknown 0 ac SULF ShortFast 2026-05-16 04:36:28 UTC View
Some User Lincoln Field (SULF) +0.185s
After
Unknown Unknown 0 ac SULF ShortFast 2026-05-16 04:36:28 UTC View
Some User Lincoln Field (SULF) +0.195s
After
Unknown Unknown 0 ac SULF ShortTurbo 2026-05-16 04:36:28 UTC View
Some User Lincoln Field (SULF) +0.206s
After
Unknown Unknown 0 ac SULF ShortTurbo 2026-05-16 04:36:28 UTC View
Some User Lincoln Field (SULF) +0.217s
After
Unknown Unknown 0 ac SULF ShortTurbo 2026-05-16 04:36:28 UTC View
Some User Lincoln Field (SULF) +0.229s
After
Unknown Unknown 0 ac SULF ShortTurbo 2026-05-16 04:36:28 UTC View
Some User Lincoln Field (SULF) +0.241s
After
Unknown Unknown 0 ac SULF ShortTurbo 2026-05-16 04:36:28 UTC View
Some User Lincoln Field (SULF) +0.254s
After
Unknown Unknown 0 ac SULF ShortTurbo 2026-05-16 04:36:28 UTC View
Some User Lincoln Field (SULF) +0.266s
After
Unknown Unknown 0 ac SULF ShortTurbo 2026-05-16 04:36:28 UTC View
Some User Lincoln Field (SULF) +0.278s
After
Unknown Unknown 0 ac SULF ShortTurbo 2026-05-16 04:36:28 UTC View
Some User Lincoln Field (SULF) +0.289s
After
Unknown Unknown 0 ac SULF ShortTurbo 2026-05-16 04:36:28 UTC View
Some User Lincoln Field (SULF) +0.301s
After
Unknown Unknown 0 ac SULF ShortTurbo 2026-05-16 04:36:28 UTC View
Some User Lincoln Field (SULF) +0.312s
After
Unknown Unknown 0 ac SULF LongFast 2026-05-16 04:36:28 UTC View
45

Total Receptions

1

Unique Gateways