Packet #17807334 Success

POSITION_APP packet from VE3RRD - Barrie (rrd1) to kwarc.org c908 (KWC)

45
Total Receptions
1
Unique Gateways
0
Hop Count
28
Payload Bytes
Packet Information
Database ID: 17807334
Mesh Packet ID: 0xb135420b
Used for correlation across gateways
Timestamp: 2026-03-27 10:10:56 UTC
From Node: VE3RRD - Barrie (rrd1)
To Node: kwarc.org c908 (KWC)
Success: Processed
Protocol: POSITION_APP
Port: 3
Gateway: VE3RRD - Barrie (rrd1)
Channel: ShortTurbo
RSSI: Unknown
SNR: Unknown
Hop Info: 0/2 hops
Start: 2, Limit: 2
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:ShortTurbo
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:
⚠ Packet visible to MQTT subscribers
⚠ Full GPS precision shared
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !6c7401a0
Node ID format
channel_id ShortTurbo
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 3812346120
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 1774606233
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 160
Relay node ID
uint32
tx_after Not set uint32
timestamp 1774606256.775025
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
  • ✓ Custom channel: ShortTurbo
  • ✓ Gateway node ID tracked
  • ✓ Zero-hop: direct from source to MQTT gateway
Exposure Risks:
  • ⚠ 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": "ShortTurbo", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 1819541920, "to": 3812346120, "id": 2973057547, "rx_time": 1774606233, "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": 160, "tx_after": 0, "decoded": { "portnum": 3, "payload": "0d1bb5781a15bce07ed018e601259957c66928017800800100b80120", "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": 1774606233, "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)
0d1bb5781a15bce07ed018e601259957c66928017800800100b80120
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 ShortTurbo 2026-03-27 10:10:56 UTC Current
VE3RRD - Barrie (rrd1) -10.643s
Before
Unknown Unknown 0 a0 rrd1 LongFast 2026-03-27 10:10:46 UTC View
VE3RRD - Barrie (rrd1) -1.377s
Before
Unknown Unknown 0 a0 rrd1 LongFast 2026-03-27 10:10:55 UTC View
VE3RRD - Barrie (rrd1) -1.331s
Before
Unknown Unknown 0 a0 rrd1 LongFast 2026-03-27 10:10:55 UTC View
VE3RRD - Barrie (rrd1) -1.277s
Before
Unknown Unknown 0 a0 rrd1 LongFast 2026-03-27 10:10:55 UTC View
VE3RRD - Barrie (rrd1) -1.238s
Before
Unknown Unknown 0 a0 rrd1 LongFast 2026-03-27 10:10:55 UTC View
VE3RRD - Barrie (rrd1) -1.102s
Before
Unknown Unknown 0 a0 rrd1 LongFast 2026-03-27 10:10:55 UTC View
VE3RRD - Barrie (rrd1) -0.894s
Before
Unknown Unknown 0 a0 rrd1 LongFast 2026-03-27 10:10:55 UTC View
VE3RRD - Barrie (rrd1) -0.872s
Before
Unknown Unknown 0 a0 rrd1 LongFast 2026-03-27 10:10:55 UTC View
VE3RRD - Barrie (rrd1) -0.831s
Before
Unknown Unknown 0 a0 rrd1 MediumFast 2026-03-27 10:10:55 UTC View
VE3RRD - Barrie (rrd1) -0.720s
Before
Unknown Unknown 0 a0 rrd1 MediumFast 2026-03-27 10:10:56 UTC View
VE3RRD - Barrie (rrd1) -0.707s
Before
Unknown Unknown 0 a0 rrd1 MediumFast 2026-03-27 10:10:56 UTC View
VE3RRD - Barrie (rrd1) -0.695s
Before
Unknown Unknown 0 a0 rrd1 MediumFast 2026-03-27 10:10:56 UTC View
VE3RRD - Barrie (rrd1) -0.671s
Before
Unknown Unknown 0 a0 rrd1 MediumFast 2026-03-27 10:10:56 UTC View
VE3RRD - Barrie (rrd1) -0.647s
Before
Unknown Unknown 0 a0 rrd1 LongFast 2026-03-27 10:10:56 UTC View
VE3RRD - Barrie (rrd1) -0.556s
Before
Unknown Unknown 0 a0 rrd1 ShortFast 2026-03-27 10:10:56 UTC View
VE3RRD - Barrie (rrd1) -0.519s
Before
Unknown Unknown 0 a0 rrd1 LongFast 2026-03-27 10:10:56 UTC View
VE3RRD - Barrie (rrd1) -0.483s
Before
Unknown Unknown 0 a0 rrd1 ShortFast 2026-03-27 10:10:56 UTC View
VE3RRD - Barrie (rrd1) -0.459s
Before
Unknown Unknown 0 a0 rrd1 ShortFast 2026-03-27 10:10:56 UTC View
VE3RRD - Barrie (rrd1) -0.437s
Before
Unknown Unknown 0 a0 rrd1 MediumFast 2026-03-27 10:10:56 UTC View
VE3RRD - Barrie (rrd1) -0.392s
Before
Unknown Unknown 0 a0 rrd1 LongFast 2026-03-27 10:10:56 UTC View
VE3RRD - Barrie (rrd1) -0.345s
Before
Unknown Unknown 0 a0 rrd1 ShortFast 2026-03-27 10:10:56 UTC View
VE3RRD - Barrie (rrd1) -0.283s
Before
Unknown Unknown 0 a0 rrd1 MediumFast 2026-03-27 10:10:56 UTC View
VE3RRD - Barrie (rrd1) -0.232s
Before
Unknown Unknown 0 a0 rrd1 MediumFast 2026-03-27 10:10:56 UTC View
VE3RRD - Barrie (rrd1) -0.198s
Before
Unknown Unknown 0 a0 rrd1 ShortFast 2026-03-27 10:10:56 UTC View
VE3RRD - Barrie (rrd1) -0.164s
Before
Unknown Unknown 0 a0 rrd1 MediumFast 2026-03-27 10:10:56 UTC View
VE3RRD - Barrie (rrd1) -0.033s
Before
Unknown Unknown 0 a0 rrd1 MediumFast 2026-03-27 10:10:56 UTC View
VE3RRD - Barrie (rrd1) +0.036s
After
Unknown Unknown 0 a0 rrd1 ShortTurbo 2026-03-27 10:10:56 UTC View
VE3RRD - Barrie (rrd1) +0.048s
After
Unknown Unknown 0 a0 rrd1 ShortFast 2026-03-27 10:10:56 UTC View
VE3RRD - Barrie (rrd1) +0.121s
After
Unknown Unknown 0 a0 rrd1 ShortFast 2026-03-27 10:10:56 UTC View
VE3RRD - Barrie (rrd1) +0.199s
After
Unknown Unknown 0 a0 rrd1 ShortTurbo 2026-03-27 10:10:56 UTC View
VE3RRD - Barrie (rrd1) +0.248s
After
Unknown Unknown 0 a0 rrd1 ShortFast 2026-03-27 10:10:57 UTC View
VE3RRD - Barrie (rrd1) +0.297s
After
Unknown Unknown 0 a0 rrd1 ShortTurbo 2026-03-27 10:10:57 UTC View
VE3RRD - Barrie (rrd1) +0.319s
After
Unknown Unknown 0 a0 rrd1 ShortFast 2026-03-27 10:10:57 UTC View
VE3RRD - Barrie (rrd1) +0.425s
After
Unknown Unknown 0 a0 rrd1 MediumFast 2026-03-27 10:10:57 UTC View
VE3RRD - Barrie (rrd1) +0.462s
After
Unknown Unknown 0 a0 rrd1 ShortFast 2026-03-27 10:10:57 UTC View
VE3RRD - Barrie (rrd1) +0.531s
After
Unknown Unknown 0 a0 rrd1 ShortTurbo 2026-03-27 10:10:57 UTC View
VE3RRD - Barrie (rrd1) +0.588s
After
Unknown Unknown 0 a0 rrd1 ShortFast 2026-03-27 10:10:57 UTC View
VE3RRD - Barrie (rrd1) +0.625s
After
Unknown Unknown 0 a0 rrd1 ShortTurbo 2026-03-27 10:10:57 UTC View
VE3RRD - Barrie (rrd1) +0.730s
After
Unknown Unknown 0 a0 rrd1 LongFast 2026-03-27 10:10:57 UTC View
VE3RRD - Barrie (rrd1) +0.813s
After
Unknown Unknown 0 a0 rrd1 ShortTurbo 2026-03-27 10:10:57 UTC View
VE3RRD - Barrie (rrd1) +0.940s
After
Unknown Unknown 0 a0 rrd1 ShortTurbo 2026-03-27 10:10:57 UTC View
VE3RRD - Barrie (rrd1) +1.146s
After
Unknown Unknown 0 a0 rrd1 ShortTurbo 2026-03-27 10:10:57 UTC View
VE3RRD - Barrie (rrd1) +1.287s
After
Unknown Unknown 0 a0 rrd1 ShortTurbo 2026-03-27 10:10:58 UTC View
VE3RRD - Barrie (rrd1) +1.580s
After
Unknown Unknown 0 a0 rrd1 ShortTurbo 2026-03-27 10:10:58 UTC View
45

Total Receptions

1

Unique Gateways