Packet #17786567 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: 17786567
Mesh Packet ID: 0x62f1c1c9
Used for correlation across gateways
Timestamp: 2026-03-27 09:12:03 UTC
From Node: VE3RRD - Barrie (rrd1)
To Node: kwarc.org c908 (KWC)
Success: Processed
Protocol: POSITION_APP
Port: 3
Gateway: VE3RRD - Barrie (rrd1)
Channel: MediumFast
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:MediumFast
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 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 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 1774602676
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 1774602723.5363684
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: MediumFast
  • ✓ 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": "MediumFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 1819541920, "to": 3812346120, "id": 1660010953, "rx_time": 1774602676, "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": "0d1bb5781a15bce07ed018e60125b449c66928017800800100b80120", "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": 1774602676, "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)
0d1bb5781a15bce07ed018e60125b449c66928017800800100b80120
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
Loading...

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 09:12:03 UTC Current
VE3RRD - Barrie (rrd1) -3.027s
Before
Unknown Unknown 0 a0 rrd1 LongFast 2026-03-27 09:12:00 UTC View
VE3RRD - Barrie (rrd1) -0.701s
Before
Unknown Unknown 0 a0 rrd1 LongFast 2026-03-27 09:12:02 UTC View
VE3RRD - Barrie (rrd1) -0.688s
Before
Unknown Unknown 0 a0 rrd1 MediumFast 2026-03-27 09:12:02 UTC View
VE3RRD - Barrie (rrd1) -0.582s
Before
Unknown Unknown 0 a0 rrd1 MediumFast 2026-03-27 09:12:02 UTC View
VE3RRD - Barrie (rrd1) -0.548s
Before
Unknown Unknown 0 a0 rrd1 MediumFast 2026-03-27 09:12:02 UTC View
VE3RRD - Barrie (rrd1) -0.473s
Before
Unknown Unknown 0 a0 rrd1 MediumFast 2026-03-27 09:12:03 UTC View
VE3RRD - Barrie (rrd1) -0.309s
Before
Unknown Unknown 0 a0 rrd1 LongFast 2026-03-27 09:12:03 UTC View
VE3RRD - Barrie (rrd1) -0.058s
Before
Unknown Unknown 0 a0 rrd1 ShortFast 2026-03-27 09:12:03 UTC View
VE3RRD - Barrie (rrd1) +0.233s
After
Unknown Unknown 0 a0 rrd1 LongFast 2026-03-27 09:12:03 UTC View
VE3RRD - Barrie (rrd1) +0.357s
After
Unknown Unknown 0 a0 rrd1 LongFast 2026-03-27 09:12:03 UTC View
VE3RRD - Barrie (rrd1) +0.368s
After
Unknown Unknown 0 a0 rrd1 LongFast 2026-03-27 09:12:03 UTC View
VE3RRD - Barrie (rrd1) +0.502s
After
Unknown Unknown 0 a0 rrd1 MediumFast 2026-03-27 09:12:04 UTC View
VE3RRD - Barrie (rrd1) +0.587s
After
Unknown Unknown 0 a0 rrd1 LongFast 2026-03-27 09:12:04 UTC View
VE3RRD - Barrie (rrd1) +0.626s
After
Unknown Unknown 0 a0 rrd1 MediumFast 2026-03-27 09:12:04 UTC View
VE3RRD - Barrie (rrd1) +0.814s
After
Unknown Unknown 0 a0 rrd1 LongFast 2026-03-27 09:12:04 UTC View
VE3RRD - Barrie (rrd1) +0.839s
After
Unknown Unknown 0 a0 rrd1 ShortTurbo 2026-03-27 09:12:04 UTC View
VE3RRD - Barrie (rrd1) +0.864s
After
Unknown Unknown 0 a0 rrd1 LongFast 2026-03-27 09:12:04 UTC View
VE3RRD - Barrie (rrd1) +0.876s
After
Unknown Unknown 0 a0 rrd1 LongFast 2026-03-27 09:12:04 UTC View
VE3RRD - Barrie (rrd1) +0.923s
After
Unknown Unknown 0 a0 rrd1 MediumFast 2026-03-27 09:12:04 UTC View
VE3RRD - Barrie (rrd1) +0.980s
After
Unknown Unknown 0 a0 rrd1 MediumFast 2026-03-27 09:12:04 UTC View
VE3RRD - Barrie (rrd1) +1.055s
After
Unknown Unknown 0 a0 rrd1 MediumFast 2026-03-27 09:12:04 UTC View
VE3RRD - Barrie (rrd1) +1.182s
After
Unknown Unknown 0 a0 rrd1 ShortFast 2026-03-27 09:12:04 UTC View
VE3RRD - Barrie (rrd1) +1.232s
After
Unknown Unknown 0 a0 rrd1 ShortTurbo 2026-03-27 09:12:04 UTC View
VE3RRD - Barrie (rrd1) +1.291s
After
Unknown Unknown 0 a0 rrd1 ShortFast 2026-03-27 09:12:04 UTC View
VE3RRD - Barrie (rrd1) +1.372s
After
Unknown Unknown 0 a0 rrd1 ShortFast 2026-03-27 09:12:04 UTC View
VE3RRD - Barrie (rrd1) +1.460s
After
Unknown Unknown 0 a0 rrd1 ShortTurbo 2026-03-27 09:12:04 UTC View
VE3RRD - Barrie (rrd1) +1.528s
After
Unknown Unknown 0 a0 rrd1 ShortTurbo 2026-03-27 09:12:05 UTC View
VE3RRD - Barrie (rrd1) +1.652s
After
Unknown Unknown 0 a0 rrd1 ShortFast 2026-03-27 09:12:05 UTC View
VE3RRD - Barrie (rrd1) +1.663s
After
Unknown Unknown 0 a0 rrd1 ShortFast 2026-03-27 09:12:05 UTC View
VE3RRD - Barrie (rrd1) +1.720s
After
Unknown Unknown 0 a0 rrd1 ShortFast 2026-03-27 09:12:05 UTC View
VE3RRD - Barrie (rrd1) +1.743s
After
Unknown Unknown 0 a0 rrd1 ShortTurbo 2026-03-27 09:12:05 UTC View
VE3RRD - Barrie (rrd1) +1.806s
After
Unknown Unknown 0 a0 rrd1 MediumFast 2026-03-27 09:12:05 UTC View
VE3RRD - Barrie (rrd1) +1.843s
After
Unknown Unknown 0 a0 rrd1 ShortTurbo 2026-03-27 09:12:05 UTC View
VE3RRD - Barrie (rrd1) +1.866s
After
Unknown Unknown 0 a0 rrd1 ShortTurbo 2026-03-27 09:12:05 UTC View
VE3RRD - Barrie (rrd1) +2.022s
After
Unknown Unknown 0 a0 rrd1 ShortTurbo 2026-03-27 09:12:05 UTC View
VE3RRD - Barrie (rrd1) +2.138s
After
Unknown Unknown 0 a0 rrd1 ShortFast 2026-03-27 09:12:05 UTC View
VE3RRD - Barrie (rrd1) +2.214s
After
Unknown Unknown 0 a0 rrd1 ShortFast 2026-03-27 09:12:05 UTC View
VE3RRD - Barrie (rrd1) +2.305s
After
Unknown Unknown 0 a0 rrd1 ShortTurbo 2026-03-27 09:12:05 UTC View
VE3RRD - Barrie (rrd1) +2.368s
After
Unknown Unknown 0 a0 rrd1 ShortTurbo 2026-03-27 09:12:05 UTC View
VE3RRD - Barrie (rrd1) +2.765s
After
Unknown Unknown 0 a0 rrd1 ShortTurbo 2026-03-27 09:12:06 UTC View
VE3RRD - Barrie (rrd1) +2.911s
After
Unknown Unknown 0 a0 rrd1 LongFast 2026-03-27 09:12:06 UTC View
VE3RRD - Barrie (rrd1) +2.960s
After
Unknown Unknown 0 a0 rrd1 ShortFast 2026-03-27 09:12:06 UTC View
VE3RRD - Barrie (rrd1) +3.056s
After
Unknown Unknown 0 a0 rrd1 ShortFast 2026-03-27 09:12:06 UTC View
VE3RRD - Barrie (rrd1) +3.233s
After
Unknown Unknown 0 a0 rrd1 LongFast 2026-03-27 09:12:06 UTC View
45

Total Receptions

1

Unique Gateways