Packet #17634684 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: 17634684
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 1774573381.6085062
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) -0.351s
Before
Unknown Unknown 0 3c DIR LongFast 2026-03-27 01:03:01 UTC View
DIR Rooftop (DIR) -0.330s
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) -0.298s
Before
Unknown Unknown 0 3c DIR LongFast 2026-03-27 01:03:01 UTC View
DIR Rooftop (DIR) -0.287s
Before
Unknown Unknown 0 3c DIR LongFast 2026-03-27 01:03:01 UTC View
DIR Rooftop (DIR) -0.270s
Before
Unknown Unknown 0 3c DIR LongFast 2026-03-27 01:03:01 UTC View
DIR Rooftop (DIR) -0.260s
Before
Unknown Unknown 0 3c DIR LongFast 2026-03-27 01:03:01 UTC View
DIR Rooftop (DIR) -0.242s
Before
Unknown Unknown 0 3c DIR LongFast 2026-03-27 01:03:01 UTC View
DIR Rooftop (DIR) -0.223s
Before
Unknown Unknown 0 3c DIR LongFast 2026-03-27 01:03:01 UTC View
DIR Rooftop (DIR) -0.211s
Before
Unknown Unknown 0 3c DIR LongFast 2026-03-27 01:03:01 UTC View
DIR Rooftop (DIR) -0.199s
Before
Unknown Unknown 0 3c DIR MediumFast 2026-03-27 01:03:01 UTC View
DIR Rooftop (DIR) -0.187s
Before
Unknown Unknown 0 3c DIR MediumFast 2026-03-27 01:03:01 UTC View
DIR Rooftop (DIR) -0.175s
Before
Unknown Unknown 0 3c DIR MediumFast 2026-03-27 01:03:01 UTC View
DIR Rooftop (DIR) -0.164s
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) -0.132s
Before
Unknown Unknown 0 3c DIR MediumFast 2026-03-27 01:03:01 UTC View
DIR Rooftop (DIR) -0.121s
Before
Unknown Unknown 0 3c DIR MediumFast 2026-03-27 01:03:01 UTC View
DIR Rooftop (DIR) -0.108s
Before
Unknown Unknown 0 3c DIR MediumFast 2026-03-27 01:03:01 UTC View
DIR Rooftop (DIR) -0.095s
Before
Unknown Unknown 0 3c DIR MediumFast 2026-03-27 01:03:01 UTC View
DIR Rooftop (DIR) -0.083s
Before
Unknown Unknown 0 3c DIR MediumFast 2026-03-27 01:03:01 UTC View
DIR Rooftop (DIR) -0.071s
Before
Unknown Unknown 0 3c DIR ShortFast 2026-03-27 01:03:01 UTC View
DIR Rooftop (DIR) -0.059s
Before
Unknown Unknown 0 3c DIR ShortFast 2026-03-27 01:03:01 UTC View
DIR Rooftop (DIR) -0.047s
Before
Unknown Unknown 0 3c DIR ShortFast 2026-03-27 01:03:01 UTC View
DIR Rooftop (DIR) -0.035s
Before
Unknown Unknown 0 3c DIR ShortFast 2026-03-27 01:03:01 UTC View
DIR Rooftop (DIR) -0.023s
Before
Unknown Unknown 0 3c DIR ShortFast 2026-03-27 01:03:01 UTC View
DIR Rooftop (DIR) -0.012s
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) +0.021s
After
Unknown Unknown 0 3c DIR ShortFast 2026-03-27 01:03:01 UTC View
DIR Rooftop (DIR) +0.032s
After
Unknown Unknown 0 3c DIR ShortFast 2026-03-27 01:03:01 UTC View
DIR Rooftop (DIR) +0.043s
After
Unknown Unknown 0 3c DIR ShortFast 2026-03-27 01:03:01 UTC View
DIR Rooftop (DIR) +0.054s
After
Unknown Unknown 0 3c DIR ShortTurbo 2026-03-27 01:03:01 UTC View
DIR Rooftop (DIR) +0.065s
After
Unknown Unknown 0 3c DIR ShortTurbo 2026-03-27 01:03:01 UTC View
DIR Rooftop (DIR) +0.077s
After
Unknown Unknown 0 3c DIR ShortTurbo 2026-03-27 01:03:01 UTC View
DIR Rooftop (DIR) +0.088s
After
Unknown Unknown 0 3c DIR ShortTurbo 2026-03-27 01:03:01 UTC View
DIR Rooftop (DIR) +0.100s
After
Unknown Unknown 0 3c DIR ShortTurbo 2026-03-27 01:03:01 UTC View
DIR Rooftop (DIR) +0.116s
After
Unknown Unknown 0 3c DIR ShortTurbo 2026-03-27 01:03:01 UTC View
DIR Rooftop (DIR) +0.128s
After
Unknown Unknown 0 3c DIR ShortTurbo 2026-03-27 01:03:01 UTC View
DIR Rooftop (DIR) +0.140s
After
Unknown Unknown 0 3c DIR ShortTurbo 2026-03-27 01:03:01 UTC View
DIR Rooftop (DIR) +0.152s
After
Unknown Unknown 0 3c DIR ShortTurbo 2026-03-27 01:03:01 UTC View
DIR Rooftop (DIR) +0.164s
After
Unknown Unknown 0 3c DIR ShortTurbo 2026-03-27 01:03:01 UTC View
DIR Rooftop (DIR) +0.176s
After
Unknown Unknown 0 3c DIR ShortTurbo 2026-03-27 01:03:01 UTC View
DIR Rooftop (DIR) +0.187s
After
Unknown Unknown 0 3c DIR LongFast 2026-03-27 01:03:01 UTC View
45

Total Receptions

1

Unique Gateways