Packet #17811798 Success

POSITION_APP packet from MAdon (MAdo) to !ffffffff

45
Total Receptions
1
Unique Gateways
1
Hop Count
45
Payload Bytes
Packet Information
Database ID: 17811798
Mesh Packet ID: 0x3321420f
Used for correlation across gateways
Timestamp: 2026-03-27 10:16:16 UTC
From Node: MAdon (MAdo)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: POSITION_APP
Port: 3
Gateway: DIR Rooftop (DIR)
Channel: ShortFast
RSSI: -96 dBm
SNR: -8.75 dBm
Hop Info: 1/7 hops
Start: 7, Limit: 6
Relay Node: None
Payload Data
Protocol: POSITION_APP
Size: 45 bytes
Decoded: Yes
Decoded Data:
Latitude:45.541838°
Longitude:-73.467311°
Altitude:-25 m
Satellites:6
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:45 bytes
Gateway:!6985083c
Channel:ShortFast
Payload Type:POSITION_APP
Hop Count:1 / 7
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: ShortFast
+ 1 more...
Exposure Risks:
⚠ Visible to all nodes on channel
⚠ Packet visible to MQTT subscribers
+ 3 more...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !6985083c
Node ID format
channel_id ShortFast
packet MeshPacket (45 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 1741543364
Source node ID
uint32
to 4294967295 (Broadcast)
Visible to all nodes
uint32
decoded.portnum 3
POSITION_APP
enum
decoded.payload_length 45 bytes size
hop_limit 6
Remaining hops allowed
uint32
hop_start 7
Initial hop limit
uint32
hops_taken 1
Calculated: hop_start - hop_limit
derived
rx_rssi -96.0 dBm
Signal strength at gateway
int32
rx_snr -8.75 dB
Signal quality at gateway
float
rx_time 1774606576
Receive timestamp
fixed32
via_mqtt False
Direct LoRa transmission
bool
want_ack False
No ACK requested
bool
priority Not set enum
delayed Not set enum
channel Not set uint32
pki_encrypted False
Standard encryption
bool
next_hop Not set uint32
relay_node Not set uint32
tx_after Not set uint32
timestamp 1774606576.1919408
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
Exposure Risks:
  • ⚠ Visible to all nodes on channel
  • ⚠ Packet visible to MQTT subscribers
  • ⚠ Full GPS precision shared
  • ⚠ Multi-hop path visible (1 hops)
  • ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !6985083c
Position Precision: 32 bits (~1.0m accuracy)
Position precision meters: 1.0
Signal Metrics: RSSI: -96.0 dBm
SNR: -8.75 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:POSITION_APP
Size:45 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "latitude": 45.5418381, "longitude": -73.4673108, "altitude": -25, "sats_in_view": 6, "precision_bits": 32 }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!6985083c", "channel_id": "ShortFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 1741543364, "to": 4294967295, "id": 857817615, "rx_time": 1774606576, "rx_snr": -8.75, "rx_rssi": -96, "hop_limit": 6, "hop_start": 7, "via_mqtt": false, "want_ack": false, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": false, "next_hop": 0, "relay_node": 0, "tx_after": 0, "decoded": { "portnum": 3, "payload": "0d0d22251b152cc735d418e7ffffffffffffffff0125d858c669280258cd0178018001d0f5b40d980106b80120", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 455418381, "longitude_i": -734673108, "altitude": -25, "time": 1774606552, "location_source": "LOC_INTERNAL", "PDOP": 205, "ground_speed": 1, "ground_track": 28130000, "sats_in_view": 6, "precision_bits": 32, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }
Raw Packet Data (45 bytes)
0d0d22251b152cc735d418e7ffffffffffffffff0125d858c669280258cd0178018001d0f5b40d980106b80120
Hex Analysis:
Size:45 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
DIR Rooftop (DIR) Primary 0.000s
Reference
-96.0 dBm -8.75 dB 1 - ShortFast 2026-03-27 10:16:16 UTC Current
DIR Rooftop (DIR) -0.345s
Before
-96.0 dBm -8.75 dB 1 - LongFast 2026-03-27 10:16:15 UTC View
DIR Rooftop (DIR) -0.323s
Before
-96.0 dBm -8.75 dB 1 - LongFast 2026-03-27 10:16:15 UTC View
DIR Rooftop (DIR) -0.313s
Before
-96.0 dBm -8.75 dB 1 - LongFast 2026-03-27 10:16:15 UTC View
DIR Rooftop (DIR) -0.293s
Before
-96.0 dBm -8.75 dB 1 - LongFast 2026-03-27 10:16:15 UTC View
DIR Rooftop (DIR) -0.273s
Before
-96.0 dBm -8.75 dB 1 - LongFast 2026-03-27 10:16:15 UTC View
DIR Rooftop (DIR) -0.253s
Before
-96.0 dBm -8.75 dB 1 - LongFast 2026-03-27 10:16:15 UTC View
DIR Rooftop (DIR) -0.233s
Before
-96.0 dBm -8.75 dB 1 - LongFast 2026-03-27 10:16:15 UTC View
DIR Rooftop (DIR) -0.216s
Before
-96.0 dBm -8.75 dB 1 - LongFast 2026-03-27 10:16:15 UTC View
DIR Rooftop (DIR) -0.198s
Before
-96.0 dBm -8.75 dB 1 - LongFast 2026-03-27 10:16:15 UTC View
DIR Rooftop (DIR) -0.183s
Before
-96.0 dBm -8.75 dB 1 - LongFast 2026-03-27 10:16:16 UTC View
DIR Rooftop (DIR) -0.167s
Before
-96.0 dBm -8.75 dB 1 - LongFast 2026-03-27 10:16:16 UTC View
DIR Rooftop (DIR) -0.157s
Before
-96.0 dBm -8.75 dB 1 - MediumFast 2026-03-27 10:16:16 UTC View
DIR Rooftop (DIR) -0.146s
Before
-96.0 dBm -8.75 dB 1 - MediumFast 2026-03-27 10:16:16 UTC View
DIR Rooftop (DIR) -0.134s
Before
-96.0 dBm -8.75 dB 1 - MediumFast 2026-03-27 10:16:16 UTC View
DIR Rooftop (DIR) -0.122s
Before
-96.0 dBm -8.75 dB 1 - MediumFast 2026-03-27 10:16:16 UTC View
DIR Rooftop (DIR) -0.109s
Before
-96.0 dBm -8.75 dB 1 - MediumFast 2026-03-27 10:16:16 UTC View
DIR Rooftop (DIR) -0.097s
Before
-96.0 dBm -8.75 dB 1 - MediumFast 2026-03-27 10:16:16 UTC View
DIR Rooftop (DIR) -0.086s
Before
-96.0 dBm -8.75 dB 1 - MediumFast 2026-03-27 10:16:16 UTC View
DIR Rooftop (DIR) -0.074s
Before
-96.0 dBm -8.75 dB 1 - MediumFast 2026-03-27 10:16:16 UTC View
DIR Rooftop (DIR) -0.062s
Before
-96.0 dBm -8.75 dB 1 - MediumFast 2026-03-27 10:16:16 UTC View
DIR Rooftop (DIR) -0.051s
Before
-96.0 dBm -8.75 dB 1 - MediumFast 2026-03-27 10:16:16 UTC View
DIR Rooftop (DIR) -0.041s
Before
-96.0 dBm -8.75 dB 1 - MediumFast 2026-03-27 10:16:16 UTC View
DIR Rooftop (DIR) -0.031s
Before
-96.0 dBm -8.75 dB 1 - ShortFast 2026-03-27 10:16:16 UTC View
DIR Rooftop (DIR) -0.021s
Before
-96.0 dBm -8.75 dB 1 - ShortFast 2026-03-27 10:16:16 UTC View
DIR Rooftop (DIR) -0.010s
Before
-96.0 dBm -8.75 dB 1 - ShortFast 2026-03-27 10:16:16 UTC View
DIR Rooftop (DIR) +0.010s
After
-96.0 dBm -8.75 dB 1 - ShortFast 2026-03-27 10:16:16 UTC View
DIR Rooftop (DIR) +0.020s
After
-96.0 dBm -8.75 dB 1 - ShortFast 2026-03-27 10:16:16 UTC View
DIR Rooftop (DIR) +0.030s
After
-96.0 dBm -8.75 dB 1 - ShortFast 2026-03-27 10:16:16 UTC View
DIR Rooftop (DIR) +0.042s
After
-96.0 dBm -8.75 dB 1 - ShortFast 2026-03-27 10:16:16 UTC View
DIR Rooftop (DIR) +0.053s
After
-96.0 dBm -8.75 dB 1 - ShortFast 2026-03-27 10:16:16 UTC View
DIR Rooftop (DIR) +0.066s
After
-96.0 dBm -8.75 dB 1 - ShortFast 2026-03-27 10:16:16 UTC View
DIR Rooftop (DIR) +0.078s
After
-96.0 dBm -8.75 dB 1 - ShortFast 2026-03-27 10:16:16 UTC View
DIR Rooftop (DIR) +0.090s
After
-96.0 dBm -8.75 dB 1 - ShortTurbo 2026-03-27 10:16:16 UTC View
DIR Rooftop (DIR) +0.101s
After
-96.0 dBm -8.75 dB 1 - ShortTurbo 2026-03-27 10:16:16 UTC View
DIR Rooftop (DIR) +0.113s
After
-96.0 dBm -8.75 dB 1 - ShortTurbo 2026-03-27 10:16:16 UTC View
DIR Rooftop (DIR) +0.124s
After
-96.0 dBm -8.75 dB 1 - ShortTurbo 2026-03-27 10:16:16 UTC View
DIR Rooftop (DIR) +0.136s
After
-96.0 dBm -8.75 dB 1 - ShortTurbo 2026-03-27 10:16:16 UTC View
DIR Rooftop (DIR) +0.146s
After
-96.0 dBm -8.75 dB 1 - ShortTurbo 2026-03-27 10:16:16 UTC View
DIR Rooftop (DIR) +0.157s
After
-96.0 dBm -8.75 dB 1 - ShortTurbo 2026-03-27 10:16:16 UTC View
DIR Rooftop (DIR) +0.168s
After
-96.0 dBm -8.75 dB 1 - ShortTurbo 2026-03-27 10:16:16 UTC View
DIR Rooftop (DIR) +0.179s
After
-96.0 dBm -8.75 dB 1 - ShortTurbo 2026-03-27 10:16:16 UTC View
DIR Rooftop (DIR) +0.191s
After
-96.0 dBm -8.75 dB 1 - ShortTurbo 2026-03-27 10:16:16 UTC View
DIR Rooftop (DIR) +0.200s
After
-96.0 dBm -8.75 dB 1 - ShortTurbo 2026-03-27 10:16:16 UTC View
DIR Rooftop (DIR) +0.211s
After
-96.0 dBm -8.75 dB 1 - LongFast 2026-03-27 10:16:16 UTC View
45

Total Receptions

1

Unique Gateways