Packet #39472746 Success

POSITION_APP packet from Meshtastic Fant (MFQ) to not a toaster (daw)

45
Total Receptions
1
Unique Gateways
0
Hop Count
28
Payload Bytes
Packet Information
Database ID: 39472746
Mesh Packet ID: 0x781ee530
Used for correlation across gateways
Timestamp: 2026-05-16 06:48:08 UTC
From Node: Meshtastic Fant (MFQ)
To Node: not a toaster (daw)
Success: Processed
Protocol: POSITION_APP
Port: 3
Gateway: Meshtastic Fant (MFQ)
Channel: LongFast
RSSI: Unknown
SNR: Unknown
Hop Info: 0/2 hops
Start: 2, Limit: 2
Relay Node: f8 MFQ
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: 28 bytes
Decoded: Yes
Decoded Data:
Latitude:45.953843°
Longitude:-74.108109°
Altitude:248 m
Precision:13 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:28 bytes
Gateway:!b03de4f8
Channel:LongFast
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:
⚠ Default channel - no encryption
⚠ Packet visible to MQTT subscribers
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !b03de4f8
Node ID format
channel_id LongFast
Default public channel
packet MeshPacket (28 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 2956846328
Source node ID
uint32
to 2571147703
Target node ID
uint32
decoded.portnum 3
POSITION_APP
enum
decoded.payload_length 28 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 Not set int32
rx_snr Not set float
rx_time 1778914081
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 248
Relay node ID
uint32
tx_after Not set uint32
timestamp 1778914088.3577693
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: ~2900.0m accuracy
  • ✓ Zero-hop: direct from source to MQTT gateway
Exposure Risks:
  • ⚠ Default channel - no encryption
  • ⚠ Packet visible to MQTT subscribers
MQTT-Specific Fields
Gateway ID: !b03de4f8
Position Precision: 13 bits (~2900.0m accuracy)
Position precision meters: 2900.0
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:28 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "latitude": 45.9538432, "longitude": -74.1081088, "altitude": 248, "sats_in_view": null, "precision_bits": 13 }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!b03de4f8", "channel_id": "LongFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 2956846328, "to": 2571147703, "id": 2015290672, "rx_time": 1778914081, "rx_snr": 0.0, "rx_rssi": 0, "hop_limit": 2, "hop_start": 2, "via_mqtt": false, "want_ack": false, "priority": 70, "delayed": 0, "channel_index": null, "pki_encrypted": false, "next_hop": 0, "relay_node": 248, "tx_after": 0, "decoded": { "portnum": 3, "payload": "0d0000641b150000d4d318f801252113086a28017800800100b8010d", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 459538432, "longitude_i": -741081088, "altitude": 248, "time": 1778914081, "location_source": "LOC_MANUAL", "ground_speed": 0, "ground_track": 0, "precision_bits": 13, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }
Raw Packet Data (28 bytes)
0d0000641b150000d4d318f801252113086a28017800800100b8010d
Hex Analysis:
Size:28 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
Meshtastic Fant (MFQ) Primary 0.000s
Reference
Unknown Unknown 0 f8 MFQ LongFast 2026-05-16 06:48:08 UTC Current
Meshtastic Fant (MFQ) -0.451s
Before
Unknown Unknown 0 f8 MFQ LongFast 2026-05-16 06:48:07 UTC View
Meshtastic Fant (MFQ) -0.098s
Before
Unknown Unknown 0 f8 MFQ LongFast 2026-05-16 06:48:08 UTC View
Meshtastic Fant (MFQ) -0.076s
Before
Unknown Unknown 0 f8 MFQ LongFast 2026-05-16 06:48:08 UTC View
Meshtastic Fant (MFQ) +0.218s
After
Unknown Unknown 0 f8 MFQ LongFast 2026-05-16 06:48:08 UTC View
Meshtastic Fant (MFQ) +0.288s
After
Unknown Unknown 0 f8 MFQ LongFast 2026-05-16 06:48:08 UTC View
Meshtastic Fant (MFQ) +0.448s
After
Unknown Unknown 0 f8 MFQ LongFast 2026-05-16 06:48:08 UTC View
Meshtastic Fant (MFQ) +0.641s
After
Unknown Unknown 0 f8 MFQ LongFast 2026-05-16 06:48:08 UTC View
Meshtastic Fant (MFQ) +1.541s
After
Unknown Unknown 0 f8 MFQ LongFast 2026-05-16 06:48:09 UTC View
Meshtastic Fant (MFQ) +1.709s
After
Unknown Unknown 0 f8 MFQ LongFast 2026-05-16 06:48:10 UTC View
Meshtastic Fant (MFQ) +1.793s
After
Unknown Unknown 0 f8 MFQ MediumFast 2026-05-16 06:48:10 UTC View
Meshtastic Fant (MFQ) +1.914s
After
Unknown Unknown 0 f8 MFQ LongFast 2026-05-16 06:48:10 UTC View
Meshtastic Fant (MFQ) +1.952s
After
Unknown Unknown 0 f8 MFQ MediumFast 2026-05-16 06:48:10 UTC View
Meshtastic Fant (MFQ) +2.103s
After
Unknown Unknown 0 f8 MFQ MediumFast 2026-05-16 06:48:10 UTC View
Meshtastic Fant (MFQ) +2.115s
After
Unknown Unknown 0 f8 MFQ MediumFast 2026-05-16 06:48:10 UTC View
Meshtastic Fant (MFQ) +2.258s
After
Unknown Unknown 0 f8 MFQ MediumFast 2026-05-16 06:48:10 UTC View
Meshtastic Fant (MFQ) +2.419s
After
Unknown Unknown 0 f8 MFQ MediumFast 2026-05-16 06:48:10 UTC View
Meshtastic Fant (MFQ) +2.863s
After
Unknown Unknown 0 f8 MFQ ShortFast 2026-05-16 06:48:11 UTC View
Meshtastic Fant (MFQ) +2.961s
After
Unknown Unknown 0 f8 MFQ ShortFast 2026-05-16 06:48:11 UTC View
Meshtastic Fant (MFQ) +3.406s
After
Unknown Unknown 0 f8 MFQ ShortFast 2026-05-16 06:48:11 UTC View
Meshtastic Fant (MFQ) +3.824s
After
Unknown Unknown 0 f8 MFQ ShortFast 2026-05-16 06:48:12 UTC View
Meshtastic Fant (MFQ) +3.886s
After
Unknown Unknown 0 f8 MFQ MediumFast 2026-05-16 06:48:12 UTC View
Meshtastic Fant (MFQ) +4.400s
After
Unknown Unknown 0 f8 MFQ MediumFast 2026-05-16 06:48:12 UTC View
Meshtastic Fant (MFQ) +4.429s
After
Unknown Unknown 0 f8 MFQ MediumFast 2026-05-16 06:48:12 UTC View
Meshtastic Fant (MFQ) +4.533s
After
Unknown Unknown 0 f8 MFQ MediumFast 2026-05-16 06:48:12 UTC View
Meshtastic Fant (MFQ) +4.637s
After
Unknown Unknown 0 f8 MFQ ShortFast 2026-05-16 06:48:12 UTC View
Meshtastic Fant (MFQ) +5.004s
After
Unknown Unknown 0 f8 MFQ ShortFast 2026-05-16 06:48:13 UTC View
Meshtastic Fant (MFQ) +5.036s
After
Unknown Unknown 0 f8 MFQ ShortTurbo 2026-05-16 06:48:13 UTC View
Meshtastic Fant (MFQ) +5.079s
After
Unknown Unknown 0 f8 MFQ ShortTurbo 2026-05-16 06:48:13 UTC View
Meshtastic Fant (MFQ) +5.397s
After
Unknown Unknown 0 f8 MFQ ShortTurbo 2026-05-16 06:48:13 UTC View
Meshtastic Fant (MFQ) +5.426s
After
Unknown Unknown 0 f8 MFQ ShortTurbo 2026-05-16 06:48:13 UTC View
Meshtastic Fant (MFQ) +5.510s
After
Unknown Unknown 0 f8 MFQ MediumFast 2026-05-16 06:48:13 UTC View
Meshtastic Fant (MFQ) +5.922s
After
Unknown Unknown 0 f8 MFQ ShortTurbo 2026-05-16 06:48:14 UTC View
Meshtastic Fant (MFQ) +6.016s
After
Unknown Unknown 0 f8 MFQ ShortTurbo 2026-05-16 06:48:14 UTC View
Meshtastic Fant (MFQ) +6.193s
After
Unknown Unknown 0 f8 MFQ ShortFast 2026-05-16 06:48:14 UTC View
Meshtastic Fant (MFQ) +6.472s
After
Unknown Unknown 0 f8 MFQ ShortTurbo 2026-05-16 06:48:14 UTC View
Meshtastic Fant (MFQ) +6.637s
After
Unknown Unknown 0 f8 MFQ LongFast 2026-05-16 06:48:14 UTC View
Meshtastic Fant (MFQ) +6.900s
After
Unknown Unknown 0 f8 MFQ ShortFast 2026-05-16 06:48:15 UTC View
Meshtastic Fant (MFQ) +6.962s
After
Unknown Unknown 0 f8 MFQ ShortTurbo 2026-05-16 06:48:15 UTC View
Meshtastic Fant (MFQ) +7.063s
After
Unknown Unknown 0 f8 MFQ ShortTurbo 2026-05-16 06:48:15 UTC View
Meshtastic Fant (MFQ) +7.087s
After
Unknown Unknown 0 f8 MFQ ShortTurbo 2026-05-16 06:48:15 UTC View
Meshtastic Fant (MFQ) +7.318s
After
Unknown Unknown 0 f8 MFQ ShortTurbo 2026-05-16 06:48:15 UTC View
Meshtastic Fant (MFQ) +7.435s
After
Unknown Unknown 0 f8 MFQ ShortFast 2026-05-16 06:48:15 UTC View
Meshtastic Fant (MFQ) +8.359s
After
Unknown Unknown 0 f8 MFQ ShortFast 2026-05-16 06:48:16 UTC View
Meshtastic Fant (MFQ) +9.716s
After
Unknown Unknown 0 f8 MFQ ShortFast 2026-05-16 06:48:18 UTC View
45

Total Receptions

1

Unique Gateways