Packet #17786703 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: 17786703
Mesh Packet ID: 0x62f1c1c9
Used for correlation across gateways
Timestamp: 2026-03-27 09:12:05 UTC
From Node: VE3RRD - Barrie (rrd1)
To Node: kwarc.org c908 (KWC)
Success: Processed
Protocol: POSITION_APP
Port: 3
Gateway: VE3RRD - Barrie (rrd1)
Channel: ShortFast
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:ShortFast
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 ShortFast
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 1774602725.1997094
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: ShortFast
  • ✓ 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": "ShortFast", "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
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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 ShortFast 2026-03-27 09:12:05 UTC Current
VE3RRD - Barrie (rrd1) -4.691s
Before
Unknown Unknown 0 a0 rrd1 LongFast 2026-03-27 09:12:00 UTC View
VE3RRD - Barrie (rrd1) -2.364s
Before
Unknown Unknown 0 a0 rrd1 LongFast 2026-03-27 09:12:02 UTC View
VE3RRD - Barrie (rrd1) -2.352s
Before
Unknown Unknown 0 a0 rrd1 MediumFast 2026-03-27 09:12:02 UTC View
VE3RRD - Barrie (rrd1) -2.245s
Before
Unknown Unknown 0 a0 rrd1 MediumFast 2026-03-27 09:12:02 UTC View
VE3RRD - Barrie (rrd1) -2.211s
Before
Unknown Unknown 0 a0 rrd1 MediumFast 2026-03-27 09:12:02 UTC View
VE3RRD - Barrie (rrd1) -2.136s
Before
Unknown Unknown 0 a0 rrd1 MediumFast 2026-03-27 09:12:03 UTC View
VE3RRD - Barrie (rrd1) -1.972s
Before
Unknown Unknown 0 a0 rrd1 LongFast 2026-03-27 09:12:03 UTC View
VE3RRD - Barrie (rrd1) -1.721s
Before
Unknown Unknown 0 a0 rrd1 ShortFast 2026-03-27 09:12:03 UTC View
VE3RRD - Barrie (rrd1) -1.663s
Before
Unknown Unknown 0 a0 rrd1 MediumFast 2026-03-27 09:12:03 UTC View
VE3RRD - Barrie (rrd1) -1.430s
Before
Unknown Unknown 0 a0 rrd1 LongFast 2026-03-27 09:12:03 UTC View
VE3RRD - Barrie (rrd1) -1.306s
Before
Unknown Unknown 0 a0 rrd1 LongFast 2026-03-27 09:12:03 UTC View
VE3RRD - Barrie (rrd1) -1.295s
Before
Unknown Unknown 0 a0 rrd1 LongFast 2026-03-27 09:12:03 UTC View
VE3RRD - Barrie (rrd1) -1.161s
Before
Unknown Unknown 0 a0 rrd1 MediumFast 2026-03-27 09:12:04 UTC View
VE3RRD - Barrie (rrd1) -1.076s
Before
Unknown Unknown 0 a0 rrd1 LongFast 2026-03-27 09:12:04 UTC View
VE3RRD - Barrie (rrd1) -1.038s
Before
Unknown Unknown 0 a0 rrd1 MediumFast 2026-03-27 09:12:04 UTC View
VE3RRD - Barrie (rrd1) -0.850s
Before
Unknown Unknown 0 a0 rrd1 LongFast 2026-03-27 09:12:04 UTC View
VE3RRD - Barrie (rrd1) -0.824s
Before
Unknown Unknown 0 a0 rrd1 ShortTurbo 2026-03-27 09:12:04 UTC View
VE3RRD - Barrie (rrd1) -0.800s
Before
Unknown Unknown 0 a0 rrd1 LongFast 2026-03-27 09:12:04 UTC View
VE3RRD - Barrie (rrd1) -0.787s
Before
Unknown Unknown 0 a0 rrd1 LongFast 2026-03-27 09:12:04 UTC View
VE3RRD - Barrie (rrd1) -0.741s
Before
Unknown Unknown 0 a0 rrd1 MediumFast 2026-03-27 09:12:04 UTC View
VE3RRD - Barrie (rrd1) -0.683s
Before
Unknown Unknown 0 a0 rrd1 MediumFast 2026-03-27 09:12:04 UTC View
VE3RRD - Barrie (rrd1) -0.608s
Before
Unknown Unknown 0 a0 rrd1 MediumFast 2026-03-27 09:12:04 UTC View
VE3RRD - Barrie (rrd1) -0.482s
Before
Unknown Unknown 0 a0 rrd1 ShortFast 2026-03-27 09:12:04 UTC View
VE3RRD - Barrie (rrd1) -0.431s
Before
Unknown Unknown 0 a0 rrd1 ShortTurbo 2026-03-27 09:12:04 UTC View
VE3RRD - Barrie (rrd1) -0.372s
Before
Unknown Unknown 0 a0 rrd1 ShortFast 2026-03-27 09:12:04 UTC View
VE3RRD - Barrie (rrd1) -0.291s
Before
Unknown Unknown 0 a0 rrd1 ShortFast 2026-03-27 09:12:04 UTC View
VE3RRD - Barrie (rrd1) -0.204s
Before
Unknown Unknown 0 a0 rrd1 ShortTurbo 2026-03-27 09:12:04 UTC View
VE3RRD - Barrie (rrd1) -0.135s
Before
Unknown Unknown 0 a0 rrd1 ShortTurbo 2026-03-27 09:12:05 UTC View
VE3RRD - Barrie (rrd1) -0.011s
Before
Unknown Unknown 0 a0 rrd1 ShortFast 2026-03-27 09:12:05 UTC View
VE3RRD - Barrie (rrd1) +0.057s
After
Unknown Unknown 0 a0 rrd1 ShortFast 2026-03-27 09:12:05 UTC View
VE3RRD - Barrie (rrd1) +0.079s
After
Unknown Unknown 0 a0 rrd1 ShortTurbo 2026-03-27 09:12:05 UTC View
VE3RRD - Barrie (rrd1) +0.143s
After
Unknown Unknown 0 a0 rrd1 MediumFast 2026-03-27 09:12:05 UTC View
VE3RRD - Barrie (rrd1) +0.180s
After
Unknown Unknown 0 a0 rrd1 ShortTurbo 2026-03-27 09:12:05 UTC View
VE3RRD - Barrie (rrd1) +0.202s
After
Unknown Unknown 0 a0 rrd1 ShortTurbo 2026-03-27 09:12:05 UTC View
VE3RRD - Barrie (rrd1) +0.359s
After
Unknown Unknown 0 a0 rrd1 ShortTurbo 2026-03-27 09:12:05 UTC View
VE3RRD - Barrie (rrd1) +0.474s
After
Unknown Unknown 0 a0 rrd1 ShortFast 2026-03-27 09:12:05 UTC View
VE3RRD - Barrie (rrd1) +0.550s
After
Unknown Unknown 0 a0 rrd1 ShortFast 2026-03-27 09:12:05 UTC View
VE3RRD - Barrie (rrd1) +0.642s
After
Unknown Unknown 0 a0 rrd1 ShortTurbo 2026-03-27 09:12:05 UTC View
VE3RRD - Barrie (rrd1) +0.705s
After
Unknown Unknown 0 a0 rrd1 ShortTurbo 2026-03-27 09:12:05 UTC View
VE3RRD - Barrie (rrd1) +1.102s
After
Unknown Unknown 0 a0 rrd1 ShortTurbo 2026-03-27 09:12:06 UTC View
VE3RRD - Barrie (rrd1) +1.248s
After
Unknown Unknown 0 a0 rrd1 LongFast 2026-03-27 09:12:06 UTC View
VE3RRD - Barrie (rrd1) +1.297s
After
Unknown Unknown 0 a0 rrd1 ShortFast 2026-03-27 09:12:06 UTC View
VE3RRD - Barrie (rrd1) +1.393s
After
Unknown Unknown 0 a0 rrd1 ShortFast 2026-03-27 09:12:06 UTC View
VE3RRD - Barrie (rrd1) +1.569s
After
Unknown Unknown 0 a0 rrd1 LongFast 2026-03-27 09:12:06 UTC View
45

Total Receptions

1

Unique Gateways