Packet #18262053 Success

POSITION_APP packet from Meshtastic 8b90 (8b90) to !ffffffff

45
Total Receptions
1
Unique Gateways
0
Hop Count
25
Payload Bytes
Packet Information
Database ID: 18262053
Mesh Packet ID: 0x542b91be
Used for correlation across gateways
Timestamp: 2026-03-28 11:47:57 UTC
From Node: Meshtastic 8b90 (8b90)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: POSITION_APP
Port: 3
Gateway: Meshtastic 8b90 (8b90)
Channel: ShortTurbo
RSSI: Unknown
SNR: Unknown
Hop Info: 0/3 hops
Start: 3, Limit: 3
Relay Node: 90 8b90
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: 25 bytes
Decoded: Yes
Decoded Data:
Latitude:45.539328°
Longitude:-73.624781°
Precision:17 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:25 bytes
Gateway:!75e98b90
Channel:ShortTurbo
Payload Type:POSITION_APP
Hop Count:Unknown / 3
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: ShortTurbo
+ 2 more...
Exposure Risks:
⚠ Visible to all nodes on channel
⚠ Packet visible to MQTT subscribers
+ 1 more...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !75e98b90
Node ID format
channel_id ShortTurbo
packet MeshPacket (25 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 1978239888
Source node ID
uint32
to 4294967295 (Broadcast)
Visible to all nodes
uint32
decoded.portnum 3
POSITION_APP
enum
decoded.payload_length 25 bytes size
hop_limit 3
Remaining hops allowed
uint32
hop_start 3
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 1774698476
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 144
Relay node ID
uint32
tx_after Not set uint32
timestamp 1774698477.3144293
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: ShortTurbo
  • ✓ Gateway node ID tracked
  • ✓ Zero-hop: direct from source to MQTT gateway
Exposure Risks:
  • ⚠ Visible to all nodes on channel
  • ⚠ Packet visible to MQTT subscribers
  • ⚠ Full GPS precision shared
MQTT-Specific Fields
Gateway ID: !75e98b90
Position Precision: 17 bits (~182.0m accuracy)
Position precision meters: 182.0
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:25 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "latitude": 45.539328, "longitude": -73.6247808, "altitude": null, "sats_in_view": null, "precision_bits": 17 }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!75e98b90", "channel_id": "ShortTurbo", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 1978239888, "to": 4294967295, "id": 1412141502, "rx_time": 1774698476, "rx_snr": 0.0, "rx_rssi": 0, "hop_limit": 3, "hop_start": 3, "via_mqtt": false, "want_ack": false, "priority": 10, "delayed": 0, "channel_index": null, "pki_encrypted": false, "next_hop": 0, "relay_node": 144, "tx_after": 0, "decoded": { "portnum": 3, "payload": "0d00c0241b1500c01dd425ecbfc76928017800800100b80111", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 455393280, "longitude_i": -736247808, "time": 1774698476, "location_source": "LOC_MANUAL", "ground_speed": 0, "ground_track": 0, "precision_bits": 17, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }
Raw Packet Data (25 bytes)
0d00c0241b1500c01dd425ecbfc76928017800800100b80111
Hex Analysis:
Size:25 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
Meshtastic 8b90 (8b90) Primary 0.000s
Reference
Unknown Unknown 0 90 8b90 ShortTurbo 2026-03-28 11:47:57 UTC Current
Meshtastic 8b90 (8b90) -0.472s
Before
Unknown Unknown 0 90 8b90 LongFast 2026-03-28 11:47:56 UTC View
Meshtastic 8b90 (8b90) -0.446s
Before
Unknown Unknown 0 90 8b90 LongFast 2026-03-28 11:47:56 UTC View
Meshtastic 8b90 (8b90) -0.431s
Before
Unknown Unknown 0 90 8b90 LongFast 2026-03-28 11:47:56 UTC View
Meshtastic 8b90 (8b90) -0.420s
Before
Unknown Unknown 0 90 8b90 LongFast 2026-03-28 11:47:56 UTC View
Meshtastic 8b90 (8b90) -0.409s
Before
Unknown Unknown 0 90 8b90 LongFast 2026-03-28 11:47:56 UTC View
Meshtastic 8b90 (8b90) -0.397s
Before
Unknown Unknown 0 90 8b90 LongFast 2026-03-28 11:47:56 UTC View
Meshtastic 8b90 (8b90) -0.384s
Before
Unknown Unknown 0 90 8b90 LongFast 2026-03-28 11:47:56 UTC View
Meshtastic 8b90 (8b90) -0.372s
Before
Unknown Unknown 0 90 8b90 LongFast 2026-03-28 11:47:56 UTC View
Meshtastic 8b90 (8b90) -0.360s
Before
Unknown Unknown 0 90 8b90 LongFast 2026-03-28 11:47:56 UTC View
Meshtastic 8b90 (8b90) -0.348s
Before
Unknown Unknown 0 90 8b90 LongFast 2026-03-28 11:47:56 UTC View
Meshtastic 8b90 (8b90) -0.335s
Before
Unknown Unknown 0 90 8b90 LongFast 2026-03-28 11:47:56 UTC View
Meshtastic 8b90 (8b90) -0.323s
Before
Unknown Unknown 0 90 8b90 MediumFast 2026-03-28 11:47:56 UTC View
Meshtastic 8b90 (8b90) -0.311s
Before
Unknown Unknown 0 90 8b90 MediumFast 2026-03-28 11:47:57 UTC View
Meshtastic 8b90 (8b90) -0.300s
Before
Unknown Unknown 0 90 8b90 MediumFast 2026-03-28 11:47:57 UTC View
Meshtastic 8b90 (8b90) -0.289s
Before
Unknown Unknown 0 90 8b90 MediumFast 2026-03-28 11:47:57 UTC View
Meshtastic 8b90 (8b90) -0.278s
Before
Unknown Unknown 0 90 8b90 MediumFast 2026-03-28 11:47:57 UTC View
Meshtastic 8b90 (8b90) -0.267s
Before
Unknown Unknown 0 90 8b90 MediumFast 2026-03-28 11:47:57 UTC View
Meshtastic 8b90 (8b90) -0.256s
Before
Unknown Unknown 0 90 8b90 MediumFast 2026-03-28 11:47:57 UTC View
Meshtastic 8b90 (8b90) -0.245s
Before
Unknown Unknown 0 90 8b90 MediumFast 2026-03-28 11:47:57 UTC View
Meshtastic 8b90 (8b90) -0.234s
Before
Unknown Unknown 0 90 8b90 MediumFast 2026-03-28 11:47:57 UTC View
Meshtastic 8b90 (8b90) -0.223s
Before
Unknown Unknown 0 90 8b90 MediumFast 2026-03-28 11:47:57 UTC View
Meshtastic 8b90 (8b90) -0.211s
Before
Unknown Unknown 0 90 8b90 MediumFast 2026-03-28 11:47:57 UTC View
Meshtastic 8b90 (8b90) -0.198s
Before
Unknown Unknown 0 90 8b90 ShortFast 2026-03-28 11:47:57 UTC View
Meshtastic 8b90 (8b90) -0.186s
Before
Unknown Unknown 0 90 8b90 ShortFast 2026-03-28 11:47:57 UTC View
Meshtastic 8b90 (8b90) -0.174s
Before
Unknown Unknown 0 90 8b90 ShortFast 2026-03-28 11:47:57 UTC View
Meshtastic 8b90 (8b90) -0.162s
Before
Unknown Unknown 0 90 8b90 ShortFast 2026-03-28 11:47:57 UTC View
Meshtastic 8b90 (8b90) -0.150s
Before
Unknown Unknown 0 90 8b90 ShortFast 2026-03-28 11:47:57 UTC View
Meshtastic 8b90 (8b90) -0.137s
Before
Unknown Unknown 0 90 8b90 ShortFast 2026-03-28 11:47:57 UTC View
Meshtastic 8b90 (8b90) -0.125s
Before
Unknown Unknown 0 90 8b90 ShortFast 2026-03-28 11:47:57 UTC View
Meshtastic 8b90 (8b90) -0.114s
Before
Unknown Unknown 0 90 8b90 ShortFast 2026-03-28 11:47:57 UTC View
Meshtastic 8b90 (8b90) -0.103s
Before
Unknown Unknown 0 90 8b90 ShortFast 2026-03-28 11:47:57 UTC View
Meshtastic 8b90 (8b90) -0.092s
Before
Unknown Unknown 0 90 8b90 ShortFast 2026-03-28 11:47:57 UTC View
Meshtastic 8b90 (8b90) -0.081s
Before
Unknown Unknown 0 90 8b90 ShortFast 2026-03-28 11:47:57 UTC View
Meshtastic 8b90 (8b90) -0.070s
Before
Unknown Unknown 0 90 8b90 ShortTurbo 2026-03-28 11:47:57 UTC View
Meshtastic 8b90 (8b90) -0.059s
Before
Unknown Unknown 0 90 8b90 ShortTurbo 2026-03-28 11:47:57 UTC View
Meshtastic 8b90 (8b90) -0.048s
Before
Unknown Unknown 0 90 8b90 ShortTurbo 2026-03-28 11:47:57 UTC View
Meshtastic 8b90 (8b90) -0.037s
Before
Unknown Unknown 0 90 8b90 ShortTurbo 2026-03-28 11:47:57 UTC View
Meshtastic 8b90 (8b90) -0.025s
Before
Unknown Unknown 0 90 8b90 ShortTurbo 2026-03-28 11:47:57 UTC View
Meshtastic 8b90 (8b90) -0.012s
Before
Unknown Unknown 0 90 8b90 ShortTurbo 2026-03-28 11:47:57 UTC View
Meshtastic 8b90 (8b90) +0.012s
After
Unknown Unknown 0 90 8b90 ShortTurbo 2026-03-28 11:47:57 UTC View
Meshtastic 8b90 (8b90) +0.024s
After
Unknown Unknown 0 90 8b90 ShortTurbo 2026-03-28 11:47:57 UTC View
Meshtastic 8b90 (8b90) +0.036s
After
Unknown Unknown 0 90 8b90 ShortTurbo 2026-03-28 11:47:57 UTC View
Meshtastic 8b90 (8b90) +0.048s
After
Unknown Unknown 0 90 8b90 ShortTurbo 2026-03-28 11:47:57 UTC View
Meshtastic 8b90 (8b90) +0.060s
After
Unknown Unknown 0 90 8b90 LongFast 2026-03-28 11:47:57 UTC View
45

Total Receptions

1

Unique Gateways