Packet #39436550 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: 39436550
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: LongFast
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:LongFast
Payload Type:POSITION_APP
Hop Count:Unknown / 5
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Gateway node ID tracked
+ 2 more...
Exposure Risks:
⚠ Visible to all nodes on channel
⚠ Default channel - no encryption
+ 1 more...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !b03c96ac
Node ID format
channel_id LongFast
Default public channel
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 1778906188.4417436
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)
  • ✓ 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
  • ⚠ Default channel - no encryption
  • ⚠ 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": "LongFast", "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 LongFast 2026-05-16 04:36:28 UTC Current
Some User Lincoln Field (SULF) -0.527s
Before
Unknown Unknown 0 ac SULF ShortTurbo 2026-05-16 04:36:27 UTC View
Some User Lincoln Field (SULF) -0.494s
Before
Unknown Unknown 0 ac SULF LongFast 2026-05-16 04:36:27 UTC View
Some User Lincoln Field (SULF) -0.483s
Before
Unknown Unknown 0 ac SULF LongFast 2026-05-16 04:36:27 UTC View
Some User Lincoln Field (SULF) -0.473s
Before
Unknown Unknown 0 ac SULF LongFast 2026-05-16 04:36:27 UTC View
Some User Lincoln Field (SULF) -0.462s
Before
Unknown Unknown 0 ac SULF LongFast 2026-05-16 04:36:27 UTC View
Some User Lincoln Field (SULF) -0.450s
Before
Unknown Unknown 0 ac SULF LongFast 2026-05-16 04:36:27 UTC View
Some User Lincoln Field (SULF) -0.438s
Before
Unknown Unknown 0 ac SULF LongFast 2026-05-16 04:36:28 UTC View
Some User Lincoln Field (SULF) -0.426s
Before
Unknown Unknown 0 ac SULF LongFast 2026-05-16 04:36:28 UTC View
Some User Lincoln Field (SULF) -0.414s
Before
Unknown Unknown 0 ac SULF LongFast 2026-05-16 04:36:28 UTC View
Some User Lincoln Field (SULF) -0.402s
Before
Unknown Unknown 0 ac SULF LongFast 2026-05-16 04:36:28 UTC View
Some User Lincoln Field (SULF) -0.390s
Before
Unknown Unknown 0 ac SULF LongFast 2026-05-16 04:36:28 UTC View
Some User Lincoln Field (SULF) -0.379s
Before
Unknown Unknown 0 ac SULF LongFast 2026-05-16 04:36:28 UTC View
Some User Lincoln Field (SULF) -0.366s
Before
Unknown Unknown 0 ac SULF MediumFast 2026-05-16 04:36:28 UTC View
Some User Lincoln Field (SULF) -0.355s
Before
Unknown Unknown 0 ac SULF MediumFast 2026-05-16 04:36:28 UTC View
Some User Lincoln Field (SULF) -0.345s
Before
Unknown Unknown 0 ac SULF MediumFast 2026-05-16 04:36:28 UTC View
Some User Lincoln Field (SULF) -0.334s
Before
Unknown Unknown 0 ac SULF MediumFast 2026-05-16 04:36:28 UTC View
Some User Lincoln Field (SULF) -0.323s
Before
Unknown Unknown 0 ac SULF MediumFast 2026-05-16 04:36:28 UTC View
Some User Lincoln Field (SULF) -0.312s
Before
Unknown Unknown 0 ac SULF MediumFast 2026-05-16 04:36:28 UTC View
Some User Lincoln Field (SULF) -0.301s
Before
Unknown Unknown 0 ac SULF MediumFast 2026-05-16 04:36:28 UTC View
Some User Lincoln Field (SULF) -0.290s
Before
Unknown Unknown 0 ac SULF MediumFast 2026-05-16 04:36:28 UTC View
Some User Lincoln Field (SULF) -0.279s
Before
Unknown Unknown 0 ac SULF MediumFast 2026-05-16 04:36:28 UTC View
Some User Lincoln Field (SULF) -0.266s
Before
Unknown Unknown 0 ac SULF MediumFast 2026-05-16 04:36:28 UTC View
Some User Lincoln Field (SULF) -0.254s
Before
Unknown Unknown 0 ac SULF MediumFast 2026-05-16 04:36:28 UTC View
Some User Lincoln Field (SULF) -0.242s
Before
Unknown Unknown 0 ac SULF ShortFast 2026-05-16 04:36:28 UTC View
Some User Lincoln Field (SULF) -0.230s
Before
Unknown Unknown 0 ac SULF ShortFast 2026-05-16 04:36:28 UTC View
Some User Lincoln Field (SULF) -0.218s
Before
Unknown Unknown 0 ac SULF ShortFast 2026-05-16 04:36:28 UTC View
Some User Lincoln Field (SULF) -0.206s
Before
Unknown Unknown 0 ac SULF ShortFast 2026-05-16 04:36:28 UTC View
Some User Lincoln Field (SULF) -0.194s
Before
Unknown Unknown 0 ac SULF ShortFast 2026-05-16 04:36:28 UTC View
Some User Lincoln Field (SULF) -0.182s
Before
Unknown Unknown 0 ac SULF ShortFast 2026-05-16 04:36:28 UTC View
Some User Lincoln Field (SULF) -0.171s
Before
Unknown Unknown 0 ac SULF ShortFast 2026-05-16 04:36:28 UTC View
Some User Lincoln Field (SULF) -0.160s
Before
Unknown Unknown 0 ac SULF ShortFast 2026-05-16 04:36:28 UTC View
Some User Lincoln Field (SULF) -0.149s
Before
Unknown Unknown 0 ac SULF ShortFast 2026-05-16 04:36:28 UTC View
Some User Lincoln Field (SULF) -0.138s
Before
Unknown Unknown 0 ac SULF ShortFast 2026-05-16 04:36:28 UTC View
Some User Lincoln Field (SULF) -0.127s
Before
Unknown Unknown 0 ac SULF ShortFast 2026-05-16 04:36:28 UTC View
Some User Lincoln Field (SULF) -0.117s
Before
Unknown Unknown 0 ac SULF ShortTurbo 2026-05-16 04:36:28 UTC View
Some User Lincoln Field (SULF) -0.106s
Before
Unknown Unknown 0 ac SULF ShortTurbo 2026-05-16 04:36:28 UTC View
Some User Lincoln Field (SULF) -0.095s
Before
Unknown Unknown 0 ac SULF ShortTurbo 2026-05-16 04:36:28 UTC View
Some User Lincoln Field (SULF) -0.083s
Before
Unknown Unknown 0 ac SULF ShortTurbo 2026-05-16 04:36:28 UTC View
Some User Lincoln Field (SULF) -0.071s
Before
Unknown Unknown 0 ac SULF ShortTurbo 2026-05-16 04:36:28 UTC View
Some User Lincoln Field (SULF) -0.058s
Before
Unknown Unknown 0 ac SULF ShortTurbo 2026-05-16 04:36:28 UTC View
Some User Lincoln Field (SULF) -0.046s
Before
Unknown Unknown 0 ac SULF ShortTurbo 2026-05-16 04:36:28 UTC View
Some User Lincoln Field (SULF) -0.034s
Before
Unknown Unknown 0 ac SULF ShortTurbo 2026-05-16 04:36:28 UTC View
Some User Lincoln Field (SULF) -0.023s
Before
Unknown Unknown 0 ac SULF ShortTurbo 2026-05-16 04:36:28 UTC View
Some User Lincoln Field (SULF) -0.011s
Before
Unknown Unknown 0 ac SULF ShortTurbo 2026-05-16 04:36:28 UTC View
45

Total Receptions

1

Unique Gateways