Packet #39473715 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: 39473715
Mesh Packet ID: 0xbf82e688
Used for correlation across gateways
Timestamp: 2026-05-16 06:48:21 UTC
From Node: VE3RRD - Barrie (rrd1)
To Node: not a toaster (daw)
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 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 1778914101.2717366
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": 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 ShortFast 2026-05-16 06:48:21 UTC Current
VE3RRD - Barrie (rrd1) -12.854s
Before
Unknown Unknown 0 a0 rrd1 LongFast 2026-05-16 06:48:08 UTC View
VE3RRD - Barrie (rrd1) -3.153s
Before
Unknown Unknown 0 a0 rrd1 LongFast 2026-05-16 06:48:18 UTC View
VE3RRD - Barrie (rrd1) -3.066s
Before
Unknown Unknown 0 a0 rrd1 MediumFast 2026-05-16 06:48:18 UTC View
VE3RRD - Barrie (rrd1) -3.053s
Before
Unknown Unknown 0 a0 rrd1 LongFast 2026-05-16 06:48:18 UTC View
VE3RRD - Barrie (rrd1) -2.802s
Before
Unknown Unknown 0 a0 rrd1 LongFast 2026-05-16 06:48:18 UTC View
VE3RRD - Barrie (rrd1) -2.779s
Before
Unknown Unknown 0 a0 rrd1 MediumFast 2026-05-16 06:48:18 UTC View
VE3RRD - Barrie (rrd1) -2.683s
Before
Unknown Unknown 0 a0 rrd1 LongFast 2026-05-16 06:48:18 UTC View
VE3RRD - Barrie (rrd1) -2.643s
Before
Unknown Unknown 0 a0 rrd1 MediumFast 2026-05-16 06:48:18 UTC View
VE3RRD - Barrie (rrd1) -2.365s
Before
Unknown Unknown 0 a0 rrd1 LongFast 2026-05-16 06:48:18 UTC View
VE3RRD - Barrie (rrd1) -2.316s
Before
Unknown Unknown 0 a0 rrd1 MediumFast 2026-05-16 06:48:18 UTC View
VE3RRD - Barrie (rrd1) -1.944s
Before
Unknown Unknown 0 a0 rrd1 LongFast 2026-05-16 06:48:19 UTC View
VE3RRD - Barrie (rrd1) -1.920s
Before
Unknown Unknown 0 a0 rrd1 LongFast 2026-05-16 06:48:19 UTC View
VE3RRD - Barrie (rrd1) -1.695s
Before
Unknown Unknown 0 a0 rrd1 MediumFast 2026-05-16 06:48:19 UTC View
VE3RRD - Barrie (rrd1) -1.607s
Before
Unknown Unknown 0 a0 rrd1 LongFast 2026-05-16 06:48:19 UTC View
VE3RRD - Barrie (rrd1) -1.521s
Before
Unknown Unknown 0 a0 rrd1 MediumFast 2026-05-16 06:48:19 UTC View
VE3RRD - Barrie (rrd1) -0.923s
Before
Unknown Unknown 0 a0 rrd1 LongFast 2026-05-16 06:48:20 UTC View
VE3RRD - Barrie (rrd1) -0.866s
Before
Unknown Unknown 0 a0 rrd1 MediumFast 2026-05-16 06:48:20 UTC View
VE3RRD - Barrie (rrd1) -0.325s
Before
Unknown Unknown 0 a0 rrd1 MediumFast 2026-05-16 06:48:20 UTC View
VE3RRD - Barrie (rrd1) -0.291s
Before
Unknown Unknown 0 a0 rrd1 MediumFast 2026-05-16 06:48:20 UTC View
VE3RRD - Barrie (rrd1) -0.278s
Before
Unknown Unknown 0 a0 rrd1 LongFast 2026-05-16 06:48:20 UTC View
VE3RRD - Barrie (rrd1) -0.157s
Before
Unknown Unknown 0 a0 rrd1 MediumFast 2026-05-16 06:48:21 UTC View
VE3RRD - Barrie (rrd1) +0.011s
After
Unknown Unknown 0 a0 rrd1 ShortFast 2026-05-16 06:48:21 UTC View
VE3RRD - Barrie (rrd1) +0.023s
After
Unknown Unknown 0 a0 rrd1 ShortFast 2026-05-16 06:48:21 UTC View
VE3RRD - Barrie (rrd1) +0.046s
After
Unknown Unknown 0 a0 rrd1 ShortFast 2026-05-16 06:48:21 UTC View
VE3RRD - Barrie (rrd1) +0.068s
After
Unknown Unknown 0 a0 rrd1 ShortFast 2026-05-16 06:48:21 UTC View
VE3RRD - Barrie (rrd1) +0.284s
After
Unknown Unknown 0 a0 rrd1 ShortFast 2026-05-16 06:48:21 UTC View
VE3RRD - Barrie (rrd1) +0.347s
After
Unknown Unknown 0 a0 rrd1 MediumFast 2026-05-16 06:48:21 UTC View
VE3RRD - Barrie (rrd1) +0.406s
After
Unknown Unknown 0 a0 rrd1 ShortTurbo 2026-05-16 06:48:21 UTC View
VE3RRD - Barrie (rrd1) +0.563s
After
Unknown Unknown 0 a0 rrd1 ShortTurbo 2026-05-16 06:48:21 UTC View
VE3RRD - Barrie (rrd1) +0.645s
After
Unknown Unknown 0 a0 rrd1 ShortTurbo 2026-05-16 06:48:21 UTC View
VE3RRD - Barrie (rrd1) +0.756s
After
Unknown Unknown 0 a0 rrd1 ShortTurbo 2026-05-16 06:48:22 UTC View
VE3RRD - Barrie (rrd1) +0.803s
After
Unknown Unknown 0 a0 rrd1 ShortTurbo 2026-05-16 06:48:22 UTC View
VE3RRD - Barrie (rrd1) +0.839s
After
Unknown Unknown 0 a0 rrd1 ShortTurbo 2026-05-16 06:48:22 UTC View
VE3RRD - Barrie (rrd1) +0.900s
After
Unknown Unknown 0 a0 rrd1 ShortTurbo 2026-05-16 06:48:22 UTC View
VE3RRD - Barrie (rrd1) +0.950s
After
Unknown Unknown 0 a0 rrd1 ShortFast 2026-05-16 06:48:22 UTC View
VE3RRD - Barrie (rrd1) +1.223s
After
Unknown Unknown 0 a0 rrd1 ShortFast 2026-05-16 06:48:22 UTC View
VE3RRD - Barrie (rrd1) +1.245s
After
Unknown Unknown 0 a0 rrd1 ShortFast 2026-05-16 06:48:22 UTC View
VE3RRD - Barrie (rrd1) +1.295s
After
Unknown Unknown 0 a0 rrd1 ShortFast 2026-05-16 06:48:22 UTC View
VE3RRD - Barrie (rrd1) +1.307s
After
Unknown Unknown 0 a0 rrd1 ShortTurbo 2026-05-16 06:48:22 UTC View
VE3RRD - Barrie (rrd1) +1.356s
After
Unknown Unknown 0 a0 rrd1 ShortTurbo 2026-05-16 06:48:22 UTC View
VE3RRD - Barrie (rrd1) +1.552s
After
Unknown Unknown 0 a0 rrd1 ShortFast 2026-05-16 06:48:22 UTC View
VE3RRD - Barrie (rrd1) +1.574s
After
Unknown Unknown 0 a0 rrd1 LongFast 2026-05-16 06:48:22 UTC View
VE3RRD - Barrie (rrd1) +2.346s
After
Unknown Unknown 0 a0 rrd1 ShortTurbo 2026-05-16 06:48:23 UTC View
VE3RRD - Barrie (rrd1) +2.907s
After
Unknown Unknown 0 a0 rrd1 ShortTurbo 2026-05-16 06:48:24 UTC View
45

Total Receptions

1

Unique Gateways