Packet #17656557 Success

POSITION_APP packet from VE3RRD - Barrie (rrd1) to !ffffffff

45
Total Receptions
1
Unique Gateways
0
Hop Count
28
Payload Bytes
Packet Information
Database ID: 17656557
Mesh Packet ID: 0x22d5f40c
Used for correlation across gateways
Timestamp: 2026-03-27 02:04:07 UTC
From Node: VE3RRD - Barrie (rrd1)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: POSITION_APP
Port: 3
Gateway: VE3RRD - Barrie (rrd1)
Channel: MediumFast
RSSI: Unknown
SNR: Unknown
Hop Info: 0/3 hops
Start: 3, Limit: 3
Relay Node: a0 rrd1
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:44.411830°
Longitude:-79.699130°
Altitude:230 m
Precision:32 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:!6c7401a0
Channel:MediumFast
Payload Type:POSITION_APP
Hop Count:Unknown / 3
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: MediumFast
+ 2 more...
Exposure Risks:
⚠ Visible to all nodes on channel
⚠ Packet visible to MQTT subscribers
+ 1 more...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !6c7401a0
Node ID format
channel_id MediumFast
packet MeshPacket (28 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 1819541920
Source node ID
uint32
to 4294967295 (Broadcast)
Visible to all nodes
uint32
decoded.portnum 3
POSITION_APP
enum
decoded.payload_length 28 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 1774577046
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 160
Relay node ID
uint32
tx_after Not set uint32
timestamp 1774577047.4179459
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
  • ✓ Zero-hop: direct from source to MQTT gateway
Exposure Risks:
  • ⚠ Visible to all nodes on channel
  • ⚠ Packet visible to MQTT subscribers
  • ⚠ Full GPS precision shared
MQTT-Specific Fields
Gateway ID: !6c7401a0
Position Precision: 32 bits (~1.0m accuracy)
Position precision meters: 1.0
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": 44.4118299, "longitude": -79.69913, "altitude": 230, "sats_in_view": null, "precision_bits": 32 }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!6c7401a0", "channel_id": "MediumFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 1819541920, "to": 4294967295, "id": 584446988, "rx_time": 1774577046, "rx_snr": 0.0, "rx_rssi": 0, "hop_limit": 3, "hop_start": 3, "via_mqtt": false, "want_ack": false, "priority": 10, "delayed": 0, "channel_index": null, "pki_encrypted": false, "next_hop": 0, "relay_node": 160, "tx_after": 0, "decoded": { "portnum": 3, "payload": "0d1bb5781a15bce07ed018e6012596e5c56928017800800100b80120", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 444118299, "longitude_i": -796991300, "altitude": 230, "time": 1774577046, "location_source": "LOC_MANUAL", "ground_speed": 0, "ground_track": 0, "precision_bits": 32, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }
Raw Packet Data (28 bytes)
0d1bb5781a15bce07ed018e6012596e5c56928017800800100b80120
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
VE3RRD - Barrie (rrd1) Primary 0.000s
Reference
Unknown Unknown 0 a0 rrd1 MediumFast 2026-03-27 02:04:07 UTC Current
VE3RRD - Barrie (rrd1) -0.169s
Before
Unknown Unknown 0 a0 rrd1 LongFast 2026-03-27 02:04:07 UTC View
VE3RRD - Barrie (rrd1) -0.158s
Before
Unknown Unknown 0 a0 rrd1 LongFast 2026-03-27 02:04:07 UTC View
VE3RRD - Barrie (rrd1) -0.148s
Before
Unknown Unknown 0 a0 rrd1 LongFast 2026-03-27 02:04:07 UTC View
VE3RRD - Barrie (rrd1) -0.137s
Before
Unknown Unknown 0 a0 rrd1 LongFast 2026-03-27 02:04:07 UTC View
VE3RRD - Barrie (rrd1) -0.125s
Before
Unknown Unknown 0 a0 rrd1 LongFast 2026-03-27 02:04:07 UTC View
VE3RRD - Barrie (rrd1) -0.113s
Before
Unknown Unknown 0 a0 rrd1 LongFast 2026-03-27 02:04:07 UTC View
VE3RRD - Barrie (rrd1) -0.101s
Before
Unknown Unknown 0 a0 rrd1 LongFast 2026-03-27 02:04:07 UTC View
VE3RRD - Barrie (rrd1) -0.089s
Before
Unknown Unknown 0 a0 rrd1 LongFast 2026-03-27 02:04:07 UTC View
VE3RRD - Barrie (rrd1) -0.078s
Before
Unknown Unknown 0 a0 rrd1 LongFast 2026-03-27 02:04:07 UTC View
VE3RRD - Barrie (rrd1) -0.066s
Before
Unknown Unknown 0 a0 rrd1 LongFast 2026-03-27 02:04:07 UTC View
VE3RRD - Barrie (rrd1) -0.054s
Before
Unknown Unknown 0 a0 rrd1 LongFast 2026-03-27 02:04:07 UTC View
VE3RRD - Barrie (rrd1) -0.043s
Before
Unknown Unknown 0 a0 rrd1 MediumFast 2026-03-27 02:04:07 UTC View
VE3RRD - Barrie (rrd1) -0.032s
Before
Unknown Unknown 0 a0 rrd1 MediumFast 2026-03-27 02:04:07 UTC View
VE3RRD - Barrie (rrd1) -0.021s
Before
Unknown Unknown 0 a0 rrd1 MediumFast 2026-03-27 02:04:07 UTC View
VE3RRD - Barrie (rrd1) -0.011s
Before
Unknown Unknown 0 a0 rrd1 MediumFast 2026-03-27 02:04:07 UTC View
VE3RRD - Barrie (rrd1) +0.011s
After
Unknown Unknown 0 a0 rrd1 MediumFast 2026-03-27 02:04:07 UTC View
VE3RRD - Barrie (rrd1) +0.025s
After
Unknown Unknown 0 a0 rrd1 MediumFast 2026-03-27 02:04:07 UTC View
VE3RRD - Barrie (rrd1) +0.040s
After
Unknown Unknown 0 a0 rrd1 MediumFast 2026-03-27 02:04:07 UTC View
VE3RRD - Barrie (rrd1) +0.051s
After
Unknown Unknown 0 a0 rrd1 MediumFast 2026-03-27 02:04:07 UTC View
VE3RRD - Barrie (rrd1) +0.063s
After
Unknown Unknown 0 a0 rrd1 MediumFast 2026-03-27 02:04:07 UTC View
VE3RRD - Barrie (rrd1) +0.075s
After
Unknown Unknown 0 a0 rrd1 MediumFast 2026-03-27 02:04:07 UTC View
VE3RRD - Barrie (rrd1) +0.087s
After
Unknown Unknown 0 a0 rrd1 ShortFast 2026-03-27 02:04:07 UTC View
VE3RRD - Barrie (rrd1) +0.099s
After
Unknown Unknown 0 a0 rrd1 ShortFast 2026-03-27 02:04:07 UTC View
VE3RRD - Barrie (rrd1) +0.110s
After
Unknown Unknown 0 a0 rrd1 ShortFast 2026-03-27 02:04:07 UTC View
VE3RRD - Barrie (rrd1) +0.122s
After
Unknown Unknown 0 a0 rrd1 ShortFast 2026-03-27 02:04:07 UTC View
VE3RRD - Barrie (rrd1) +0.133s
After
Unknown Unknown 0 a0 rrd1 ShortFast 2026-03-27 02:04:07 UTC View
VE3RRD - Barrie (rrd1) +0.146s
After
Unknown Unknown 0 a0 rrd1 ShortFast 2026-03-27 02:04:07 UTC View
VE3RRD - Barrie (rrd1) +0.157s
After
Unknown Unknown 0 a0 rrd1 ShortFast 2026-03-27 02:04:07 UTC View
VE3RRD - Barrie (rrd1) +0.169s
After
Unknown Unknown 0 a0 rrd1 ShortFast 2026-03-27 02:04:07 UTC View
VE3RRD - Barrie (rrd1) +0.180s
After
Unknown Unknown 0 a0 rrd1 ShortFast 2026-03-27 02:04:07 UTC View
VE3RRD - Barrie (rrd1) +0.190s
After
Unknown Unknown 0 a0 rrd1 ShortFast 2026-03-27 02:04:07 UTC View
VE3RRD - Barrie (rrd1) +0.201s
After
Unknown Unknown 0 a0 rrd1 ShortFast 2026-03-27 02:04:07 UTC View
VE3RRD - Barrie (rrd1) +0.214s
After
Unknown Unknown 0 a0 rrd1 ShortTurbo 2026-03-27 02:04:07 UTC View
VE3RRD - Barrie (rrd1) +0.225s
After
Unknown Unknown 0 a0 rrd1 ShortTurbo 2026-03-27 02:04:07 UTC View
VE3RRD - Barrie (rrd1) +0.236s
After
Unknown Unknown 0 a0 rrd1 ShortTurbo 2026-03-27 02:04:07 UTC View
VE3RRD - Barrie (rrd1) +0.247s
After
Unknown Unknown 0 a0 rrd1 ShortTurbo 2026-03-27 02:04:07 UTC View
VE3RRD - Barrie (rrd1) +0.259s
After
Unknown Unknown 0 a0 rrd1 ShortTurbo 2026-03-27 02:04:07 UTC View
VE3RRD - Barrie (rrd1) +0.271s
After
Unknown Unknown 0 a0 rrd1 ShortTurbo 2026-03-27 02:04:07 UTC View
VE3RRD - Barrie (rrd1) +0.283s
After
Unknown Unknown 0 a0 rrd1 ShortTurbo 2026-03-27 02:04:07 UTC View
VE3RRD - Barrie (rrd1) +0.295s
After
Unknown Unknown 0 a0 rrd1 ShortTurbo 2026-03-27 02:04:07 UTC View
VE3RRD - Barrie (rrd1) +0.306s
After
Unknown Unknown 0 a0 rrd1 ShortTurbo 2026-03-27 02:04:07 UTC View
VE3RRD - Barrie (rrd1) +0.318s
After
Unknown Unknown 0 a0 rrd1 ShortTurbo 2026-03-27 02:04:07 UTC View
VE3RRD - Barrie (rrd1) +0.330s
After
Unknown Unknown 0 a0 rrd1 ShortTurbo 2026-03-27 02:04:07 UTC View
VE3RRD - Barrie (rrd1) +0.341s
After
Unknown Unknown 0 a0 rrd1 LongFast 2026-03-27 02:04:07 UTC View
45

Total Receptions

1

Unique Gateways