Packet #17634686 Success

POSITION_APP packet from DIR Rooftop (DIR) to !ffffffff

45
Total Receptions
1
Unique Gateways
0
Hop Count
22
Payload Bytes
Packet Information
Database ID: 17634686
Mesh Packet ID: 0xc10714d6
Used for correlation across gateways
Timestamp: 2026-03-27 01:03:01 UTC
From Node: DIR Rooftop (DIR)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: POSITION_APP
Port: 3
Gateway: DIR Rooftop (DIR)
Channel: ShortFast
RSSI: Unknown
SNR: Unknown
Hop Info: 0/4 hops
Start: 4, Limit: 4
Relay Node: 3c DIR
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: 22 bytes
Decoded: Yes
Decoded Data:
Latitude:45.554074°
Longitude:-73.551053°
Altitude:37 m
Precision:15 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:22 bytes
Gateway:!6985083c
Channel:ShortFast
Payload Type:POSITION_APP
Hop Count:Unknown / 4
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: ShortFast
+ 3 more...
Exposure Risks:
⚠ Visible to all nodes on channel
⚠ Packet visible to MQTT subscribers
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !6985083c
Node ID format
channel_id ShortFast
packet MeshPacket (22 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 1770326076
Source node ID
uint32
to 4294967295 (Broadcast)
Visible to all nodes
uint32
decoded.portnum 3
POSITION_APP
enum
decoded.payload_length 22 bytes size
hop_limit 4
Remaining hops allowed
uint32
hop_start 4
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 1774573380
Receive timestamp
fixed32
via_mqtt False
Direct LoRa transmission
bool
want_ack False
No ACK requested
bool
priority 10
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 60
Relay node ID
uint32
tx_after Not set uint32
timestamp 1774573381.629644
Unix timestamp
uint32
MQTT Privacy & Exposure Analysis

Analysis of privacy features and exposure risks when packet is shared via MQTT

Exposure Level: Broadcast
Privacy Features:
  • ✓ Direct LoRa transmission (not via MQTT)
  • ✓ Custom channel: ShortFast
  • ✓ Gateway node ID tracked
  • ✓ Reduced position precision: ~729.0m accuracy
  • ✓ Zero-hop: direct from source to MQTT gateway
Exposure Risks:
  • ⚠ Visible to all nodes on channel
  • ⚠ Packet visible to MQTT subscribers
MQTT-Specific Fields
Gateway ID: !6985083c
Position Precision: 15 bits (~729.0m accuracy)
Position precision meters: 729.0
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:22 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "latitude": 45.5540736, "longitude": -73.5510528, "altitude": 37, "sats_in_view": null, "precision_bits": 15 }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!6985083c", "channel_id": "ShortFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 1770326076, "to": 4294967295, "id": 3238466774, "rx_time": 1774573380, "rx_snr": 0.0, "rx_rssi": 0, "hop_limit": 4, "hop_start": 4, "via_mqtt": false, "want_ack": false, "priority": 10, "delayed": 0, "channel_index": null, "pki_encrypted": false, "next_hop": 0, "relay_node": 60, "tx_after": 0, "decoded": { "portnum": 3, "payload": "0d0000271b15000029d418252544d7c5692801b8010f", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 455540736, "longitude_i": -735510528, "altitude": 37, "time": 1774573380, "location_source": "LOC_MANUAL", "precision_bits": 15, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }
Raw Packet Data (22 bytes)
0d0000271b15000029d418252544d7c5692801b8010f
Hex Analysis:
Size:22 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
DIR Rooftop (DIR) Primary 0.000s
Reference
Unknown Unknown 0 3c DIR ShortFast 2026-03-27 01:03:01 UTC Current
DIR Rooftop (DIR) -0.373s
Before
Unknown Unknown 0 3c DIR LongFast 2026-03-27 01:03:01 UTC View
DIR Rooftop (DIR) -0.351s
Before
Unknown Unknown 0 3c DIR LongFast 2026-03-27 01:03:01 UTC View
DIR Rooftop (DIR) -0.340s
Before
Unknown Unknown 0 3c DIR LongFast 2026-03-27 01:03:01 UTC View
DIR Rooftop (DIR) -0.329s
Before
Unknown Unknown 0 3c DIR LongFast 2026-03-27 01:03:01 UTC View
DIR Rooftop (DIR) -0.319s
Before
Unknown Unknown 0 3c DIR LongFast 2026-03-27 01:03:01 UTC View
DIR Rooftop (DIR) -0.308s
Before
Unknown Unknown 0 3c DIR LongFast 2026-03-27 01:03:01 UTC View
DIR Rooftop (DIR) -0.291s
Before
Unknown Unknown 0 3c DIR LongFast 2026-03-27 01:03:01 UTC View
DIR Rooftop (DIR) -0.281s
Before
Unknown Unknown 0 3c DIR LongFast 2026-03-27 01:03:01 UTC View
DIR Rooftop (DIR) -0.264s
Before
Unknown Unknown 0 3c DIR LongFast 2026-03-27 01:03:01 UTC View
DIR Rooftop (DIR) -0.244s
Before
Unknown Unknown 0 3c DIR LongFast 2026-03-27 01:03:01 UTC View
DIR Rooftop (DIR) -0.232s
Before
Unknown Unknown 0 3c DIR LongFast 2026-03-27 01:03:01 UTC View
DIR Rooftop (DIR) -0.220s
Before
Unknown Unknown 0 3c DIR MediumFast 2026-03-27 01:03:01 UTC View
DIR Rooftop (DIR) -0.208s
Before
Unknown Unknown 0 3c DIR MediumFast 2026-03-27 01:03:01 UTC View
DIR Rooftop (DIR) -0.196s
Before
Unknown Unknown 0 3c DIR MediumFast 2026-03-27 01:03:01 UTC View
DIR Rooftop (DIR) -0.185s
Before
Unknown Unknown 0 3c DIR MediumFast 2026-03-27 01:03:01 UTC View
DIR Rooftop (DIR) -0.174s
Before
Unknown Unknown 0 3c DIR MediumFast 2026-03-27 01:03:01 UTC View
DIR Rooftop (DIR) -0.163s
Before
Unknown Unknown 0 3c DIR MediumFast 2026-03-27 01:03:01 UTC View
DIR Rooftop (DIR) -0.153s
Before
Unknown Unknown 0 3c DIR MediumFast 2026-03-27 01:03:01 UTC View
DIR Rooftop (DIR) -0.142s
Before
Unknown Unknown 0 3c DIR MediumFast 2026-03-27 01:03:01 UTC View
DIR Rooftop (DIR) -0.129s
Before
Unknown Unknown 0 3c DIR MediumFast 2026-03-27 01:03:01 UTC View
DIR Rooftop (DIR) -0.116s
Before
Unknown Unknown 0 3c DIR MediumFast 2026-03-27 01:03:01 UTC View
DIR Rooftop (DIR) -0.104s
Before
Unknown Unknown 0 3c DIR MediumFast 2026-03-27 01:03:01 UTC View
DIR Rooftop (DIR) -0.092s
Before
Unknown Unknown 0 3c DIR ShortFast 2026-03-27 01:03:01 UTC View
DIR Rooftop (DIR) -0.080s
Before
Unknown Unknown 0 3c DIR ShortFast 2026-03-27 01:03:01 UTC View
DIR Rooftop (DIR) -0.068s
Before
Unknown Unknown 0 3c DIR ShortFast 2026-03-27 01:03:01 UTC View
DIR Rooftop (DIR) -0.056s
Before
Unknown Unknown 0 3c DIR ShortFast 2026-03-27 01:03:01 UTC View
DIR Rooftop (DIR) -0.044s
Before
Unknown Unknown 0 3c DIR ShortFast 2026-03-27 01:03:01 UTC View
DIR Rooftop (DIR) -0.033s
Before
Unknown Unknown 0 3c DIR ShortFast 2026-03-27 01:03:01 UTC View
DIR Rooftop (DIR) -0.021s
Before
Unknown Unknown 0 3c DIR ShortFast 2026-03-27 01:03:01 UTC View
DIR Rooftop (DIR) -0.011s
Before
Unknown Unknown 0 3c DIR ShortFast 2026-03-27 01:03:01 UTC View
DIR Rooftop (DIR) +0.011s
After
Unknown Unknown 0 3c DIR ShortFast 2026-03-27 01:03:01 UTC View
DIR Rooftop (DIR) +0.022s
After
Unknown Unknown 0 3c DIR ShortFast 2026-03-27 01:03:01 UTC View
DIR Rooftop (DIR) +0.033s
After
Unknown Unknown 0 3c DIR ShortTurbo 2026-03-27 01:03:01 UTC View
DIR Rooftop (DIR) +0.044s
After
Unknown Unknown 0 3c DIR ShortTurbo 2026-03-27 01:03:01 UTC View
DIR Rooftop (DIR) +0.056s
After
Unknown Unknown 0 3c DIR ShortTurbo 2026-03-27 01:03:01 UTC View
DIR Rooftop (DIR) +0.067s
After
Unknown Unknown 0 3c DIR ShortTurbo 2026-03-27 01:03:01 UTC View
DIR Rooftop (DIR) +0.079s
After
Unknown Unknown 0 3c DIR ShortTurbo 2026-03-27 01:03:01 UTC View
DIR Rooftop (DIR) +0.094s
After
Unknown Unknown 0 3c DIR ShortTurbo 2026-03-27 01:03:01 UTC View
DIR Rooftop (DIR) +0.106s
After
Unknown Unknown 0 3c DIR ShortTurbo 2026-03-27 01:03:01 UTC View
DIR Rooftop (DIR) +0.119s
After
Unknown Unknown 0 3c DIR ShortTurbo 2026-03-27 01:03:01 UTC View
DIR Rooftop (DIR) +0.131s
After
Unknown Unknown 0 3c DIR ShortTurbo 2026-03-27 01:03:01 UTC View
DIR Rooftop (DIR) +0.143s
After
Unknown Unknown 0 3c DIR ShortTurbo 2026-03-27 01:03:01 UTC View
DIR Rooftop (DIR) +0.154s
After
Unknown Unknown 0 3c DIR ShortTurbo 2026-03-27 01:03:01 UTC View
DIR Rooftop (DIR) +0.166s
After
Unknown Unknown 0 3c DIR LongFast 2026-03-27 01:03:01 UTC View
45

Total Receptions

1

Unique Gateways