Packet #17634683 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: 17634683
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 1774573381.596808
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) -0.340s
Before
Unknown Unknown 0 3c DIR LongFast 2026-03-27 01:03:01 UTC View
DIR Rooftop (DIR) -0.318s
Before
Unknown Unknown 0 3c DIR LongFast 2026-03-27 01:03:01 UTC View
DIR Rooftop (DIR) -0.307s
Before
Unknown Unknown 0 3c DIR LongFast 2026-03-27 01:03:01 UTC View
DIR Rooftop (DIR) -0.297s
Before
Unknown Unknown 0 3c DIR LongFast 2026-03-27 01:03:01 UTC View
DIR Rooftop (DIR) -0.286s
Before
Unknown Unknown 0 3c DIR LongFast 2026-03-27 01:03:01 UTC View
DIR Rooftop (DIR) -0.275s
Before
Unknown Unknown 0 3c DIR LongFast 2026-03-27 01:03:01 UTC View
DIR Rooftop (DIR) -0.258s
Before
Unknown Unknown 0 3c DIR LongFast 2026-03-27 01:03:01 UTC View
DIR Rooftop (DIR) -0.248s
Before
Unknown Unknown 0 3c DIR LongFast 2026-03-27 01:03:01 UTC View
DIR Rooftop (DIR) -0.231s
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 LongFast 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) -0.163s
Before
Unknown Unknown 0 3c DIR MediumFast 2026-03-27 01:03:01 UTC View
DIR Rooftop (DIR) -0.152s
Before
Unknown Unknown 0 3c DIR MediumFast 2026-03-27 01:03:01 UTC View
DIR Rooftop (DIR) -0.141s
Before
Unknown Unknown 0 3c DIR MediumFast 2026-03-27 01:03:01 UTC View
DIR Rooftop (DIR) -0.131s
Before
Unknown Unknown 0 3c DIR MediumFast 2026-03-27 01:03:01 UTC View
DIR Rooftop (DIR) -0.120s
Before
Unknown Unknown 0 3c DIR MediumFast 2026-03-27 01:03:01 UTC View
DIR Rooftop (DIR) -0.109s
Before
Unknown Unknown 0 3c DIR MediumFast 2026-03-27 01:03:01 UTC View
DIR Rooftop (DIR) -0.096s
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 MediumFast 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) +0.012s
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 ShortFast 2026-03-27 01:03:01 UTC View
DIR Rooftop (DIR) +0.044s
After
Unknown Unknown 0 3c DIR ShortFast 2026-03-27 01:03:01 UTC View
DIR Rooftop (DIR) +0.055s
After
Unknown Unknown 0 3c DIR ShortFast 2026-03-27 01:03:01 UTC View
DIR Rooftop (DIR) +0.066s
After
Unknown Unknown 0 3c DIR ShortTurbo 2026-03-27 01:03:01 UTC View
DIR Rooftop (DIR) +0.076s
After
Unknown Unknown 0 3c DIR ShortTurbo 2026-03-27 01:03:01 UTC View
DIR Rooftop (DIR) +0.089s
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) +0.112s
After
Unknown Unknown 0 3c DIR ShortTurbo 2026-03-27 01:03:01 UTC View
DIR Rooftop (DIR) +0.127s
After
Unknown Unknown 0 3c DIR ShortTurbo 2026-03-27 01:03:01 UTC View
DIR Rooftop (DIR) +0.139s
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 ShortTurbo 2026-03-27 01:03:01 UTC View
DIR Rooftop (DIR) +0.199s
After
Unknown Unknown 0 3c DIR LongFast 2026-03-27 01:03:01 UTC View
45

Total Receptions

1

Unique Gateways