Packet #39473588 Success

POSITION_APP packet from VE3RRD - Barrie (rrd1) to not a toaster (daw)

45
Total Receptions
1
Unique Gateways
0
Hop Count
28
Payload Bytes
Packet Information
Database ID: 39473588
Mesh Packet ID: 0xbf82e688
Used for correlation across gateways
Timestamp: 2026-05-16 06:48:19 UTC
From Node: VE3RRD - Barrie (rrd1)
To Node: not a toaster (daw)
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 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 1778914082
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 1778914099.7504022
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": 2571147703, "id": 3213026952, "rx_time": 1778914082, "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": "0d1bb5781a15bce07ed018e601252213086a28017800800100b80120", "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": 1778914082, "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)
0d1bb5781a15bce07ed018e601252213086a28017800800100b80120
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 2026-05-16 06:48:19 UTC Current
VE3RRD - Barrie (rrd1) -11.333s
Before
Unknown Unknown 0 a0 rrd1 LongFast 2026-05-16 06:48:08 UTC View
VE3RRD - Barrie (rrd1) -1.632s
Before
Unknown Unknown 0 a0 rrd1 LongFast 2026-05-16 06:48:18 UTC View
VE3RRD - Barrie (rrd1) -1.544s
Before
Unknown Unknown 0 a0 rrd1 MediumFast 2026-05-16 06:48:18 UTC View
VE3RRD - Barrie (rrd1) -1.532s
Before
Unknown Unknown 0 a0 rrd1 LongFast 2026-05-16 06:48:18 UTC View
VE3RRD - Barrie (rrd1) -1.281s
Before
Unknown Unknown 0 a0 rrd1 LongFast 2026-05-16 06:48:18 UTC View
VE3RRD - Barrie (rrd1) -1.258s
Before
Unknown Unknown 0 a0 rrd1 MediumFast 2026-05-16 06:48:18 UTC View
VE3RRD - Barrie (rrd1) -1.161s
Before
Unknown Unknown 0 a0 rrd1 LongFast 2026-05-16 06:48:18 UTC View
VE3RRD - Barrie (rrd1) -1.122s
Before
Unknown Unknown 0 a0 rrd1 MediumFast 2026-05-16 06:48:18 UTC View
VE3RRD - Barrie (rrd1) -0.844s
Before
Unknown Unknown 0 a0 rrd1 LongFast 2026-05-16 06:48:18 UTC View
VE3RRD - Barrie (rrd1) -0.794s
Before
Unknown Unknown 0 a0 rrd1 MediumFast 2026-05-16 06:48:18 UTC View
VE3RRD - Barrie (rrd1) -0.423s
Before
Unknown Unknown 0 a0 rrd1 LongFast 2026-05-16 06:48:19 UTC View
VE3RRD - Barrie (rrd1) -0.399s
Before
Unknown Unknown 0 a0 rrd1 LongFast 2026-05-16 06:48:19 UTC View
VE3RRD - Barrie (rrd1) -0.173s
Before
Unknown Unknown 0 a0 rrd1 MediumFast 2026-05-16 06:48:19 UTC View
VE3RRD - Barrie (rrd1) -0.086s
Before
Unknown Unknown 0 a0 rrd1 LongFast 2026-05-16 06:48:19 UTC View
VE3RRD - Barrie (rrd1) +0.599s
After
Unknown Unknown 0 a0 rrd1 LongFast 2026-05-16 06:48:20 UTC View
VE3RRD - Barrie (rrd1) +0.655s
After
Unknown Unknown 0 a0 rrd1 MediumFast 2026-05-16 06:48:20 UTC View
VE3RRD - Barrie (rrd1) +1.197s
After
Unknown Unknown 0 a0 rrd1 MediumFast 2026-05-16 06:48:20 UTC View
VE3RRD - Barrie (rrd1) +1.231s
After
Unknown Unknown 0 a0 rrd1 MediumFast 2026-05-16 06:48:20 UTC View
VE3RRD - Barrie (rrd1) +1.243s
After
Unknown Unknown 0 a0 rrd1 LongFast 2026-05-16 06:48:20 UTC View
VE3RRD - Barrie (rrd1) +1.364s
After
Unknown Unknown 0 a0 rrd1 MediumFast 2026-05-16 06:48:21 UTC View
VE3RRD - Barrie (rrd1) +1.521s
After
Unknown Unknown 0 a0 rrd1 ShortFast 2026-05-16 06:48:21 UTC View
VE3RRD - Barrie (rrd1) +1.533s
After
Unknown Unknown 0 a0 rrd1 ShortFast 2026-05-16 06:48:21 UTC View
VE3RRD - Barrie (rrd1) +1.544s
After
Unknown Unknown 0 a0 rrd1 ShortFast 2026-05-16 06:48:21 UTC View
VE3RRD - Barrie (rrd1) +1.567s
After
Unknown Unknown 0 a0 rrd1 ShortFast 2026-05-16 06:48:21 UTC View
VE3RRD - Barrie (rrd1) +1.590s
After
Unknown Unknown 0 a0 rrd1 ShortFast 2026-05-16 06:48:21 UTC View
VE3RRD - Barrie (rrd1) +1.805s
After
Unknown Unknown 0 a0 rrd1 ShortFast 2026-05-16 06:48:21 UTC View
VE3RRD - Barrie (rrd1) +1.868s
After
Unknown Unknown 0 a0 rrd1 MediumFast 2026-05-16 06:48:21 UTC View
VE3RRD - Barrie (rrd1) +1.928s
After
Unknown Unknown 0 a0 rrd1 ShortTurbo 2026-05-16 06:48:21 UTC View
VE3RRD - Barrie (rrd1) +2.084s
After
Unknown Unknown 0 a0 rrd1 ShortTurbo 2026-05-16 06:48:21 UTC View
VE3RRD - Barrie (rrd1) +2.166s
After
Unknown Unknown 0 a0 rrd1 ShortTurbo 2026-05-16 06:48:21 UTC View
VE3RRD - Barrie (rrd1) +2.278s
After
Unknown Unknown 0 a0 rrd1 ShortTurbo 2026-05-16 06:48:22 UTC View
VE3RRD - Barrie (rrd1) +2.324s
After
Unknown Unknown 0 a0 rrd1 ShortTurbo 2026-05-16 06:48:22 UTC View
VE3RRD - Barrie (rrd1) +2.360s
After
Unknown Unknown 0 a0 rrd1 ShortTurbo 2026-05-16 06:48:22 UTC View
VE3RRD - Barrie (rrd1) +2.421s
After
Unknown Unknown 0 a0 rrd1 ShortTurbo 2026-05-16 06:48:22 UTC View
VE3RRD - Barrie (rrd1) +2.471s
After
Unknown Unknown 0 a0 rrd1 ShortFast 2026-05-16 06:48:22 UTC View
VE3RRD - Barrie (rrd1) +2.744s
After
Unknown Unknown 0 a0 rrd1 ShortFast 2026-05-16 06:48:22 UTC View
VE3RRD - Barrie (rrd1) +2.766s
After
Unknown Unknown 0 a0 rrd1 ShortFast 2026-05-16 06:48:22 UTC View
VE3RRD - Barrie (rrd1) +2.816s
After
Unknown Unknown 0 a0 rrd1 ShortFast 2026-05-16 06:48:22 UTC View
VE3RRD - Barrie (rrd1) +2.829s
After
Unknown Unknown 0 a0 rrd1 ShortTurbo 2026-05-16 06:48:22 UTC View
VE3RRD - Barrie (rrd1) +2.877s
After
Unknown Unknown 0 a0 rrd1 ShortTurbo 2026-05-16 06:48:22 UTC View
VE3RRD - Barrie (rrd1) +3.073s
After
Unknown Unknown 0 a0 rrd1 ShortFast 2026-05-16 06:48:22 UTC View
VE3RRD - Barrie (rrd1) +3.096s
After
Unknown Unknown 0 a0 rrd1 LongFast 2026-05-16 06:48:22 UTC View
VE3RRD - Barrie (rrd1) +3.867s
After
Unknown Unknown 0 a0 rrd1 ShortTurbo 2026-05-16 06:48:23 UTC View
VE3RRD - Barrie (rrd1) +4.428s
After
Unknown Unknown 0 a0 rrd1 ShortTurbo 2026-05-16 06:48:24 UTC View
45

Total Receptions

1

Unique Gateways