Packet #17611061 Success

POSITION_APP packet from ❄ qcmesh.net 1130 (1130) to !ffffffff

45
Total Receptions
1
Unique Gateways
0
Hop Count
17
Payload Bytes
Packet Information
Database ID: 17611061
Mesh Packet ID: 0xd84f1726
Used for correlation across gateways
Timestamp: 2026-03-26 23:47:01 UTC
From Node: ❄ qcmesh.net 1130 (1130)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: POSITION_APP
Port: 3
Gateway: ❄ qcmesh.net 1130 (1130)
Channel: ShortFast
RSSI: Unknown
SNR: Unknown
Hop Info: 0/4 hops
Start: 4, Limit: 4
Relay Node: None
Payload Data
Protocol: POSITION_APP
Size: 17 bytes
Decoded: Yes
Decoded Data:
Latitude:46.897562°
Longitude:-71.119667°
Altitude:74 m
Precision:13 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:17 bytes
Gateway:!a20a1130
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 !a20a1130
Node ID format
channel_id ShortFast
packet MeshPacket (17 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 2718568752
Source node ID
uint32
to 4294967295 (Broadcast)
Visible to all nodes
uint32
decoded.portnum 3
POSITION_APP
enum
decoded.payload_length 17 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 1774568815
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 Not set uint32
tx_after Not set uint32
timestamp 1774568821.9524677
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: ~2900.0m 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: !a20a1130
Position Precision: 13 bits (~2900.0m accuracy)
Position precision meters: 2900.0
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:17 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "latitude": 46.8975616, "longitude": -71.1196672, "altitude": 74, "sats_in_view": null, "precision_bits": 13 }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!a20a1130", "channel_id": "ShortFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 2718568752, "to": 4294967295, "id": 3629061926, "rx_time": 1774568815, "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": 0, "tx_after": 0, "decoded": { "portnum": 3, "payload": "0d0000f41b1500009cd5184a2801b8010d", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 468975616, "longitude_i": -711196672, "altitude": 74, "location_source": "LOC_MANUAL", "precision_bits": 13, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }
Raw Packet Data (17 bytes)
0d0000f41b1500009cd5184a2801b8010d
Hex Analysis:
Size:17 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
❄ qcmesh.net 1130 (1130) Primary 0.000s
Reference
Unknown Unknown 0 - ShortFast 2026-03-26 23:47:01 UTC Current
❄ qcmesh.net 1130 (1130) -0.413s
Before
Unknown Unknown 0 - LongFast 2026-03-26 23:47:01 UTC View
❄ qcmesh.net 1130 (1130) -0.378s
Before
Unknown Unknown 0 - LongFast 2026-03-26 23:47:01 UTC View
❄ qcmesh.net 1130 (1130) -0.365s
Before
Unknown Unknown 0 - LongFast 2026-03-26 23:47:01 UTC View
❄ qcmesh.net 1130 (1130) -0.346s
Before
Unknown Unknown 0 - LongFast 2026-03-26 23:47:01 UTC View
❄ qcmesh.net 1130 (1130) -0.328s
Before
Unknown Unknown 0 - LongFast 2026-03-26 23:47:01 UTC View
❄ qcmesh.net 1130 (1130) -0.309s
Before
Unknown Unknown 0 - LongFast 2026-03-26 23:47:01 UTC View
❄ qcmesh.net 1130 (1130) -0.296s
Before
Unknown Unknown 0 - LongFast 2026-03-26 23:47:01 UTC View
❄ qcmesh.net 1130 (1130) -0.281s
Before
Unknown Unknown 0 - LongFast 2026-03-26 23:47:01 UTC View
❄ qcmesh.net 1130 (1130) -0.268s
Before
Unknown Unknown 0 - LongFast 2026-03-26 23:47:01 UTC View
❄ qcmesh.net 1130 (1130) -0.257s
Before
Unknown Unknown 0 - LongFast 2026-03-26 23:47:01 UTC View
❄ qcmesh.net 1130 (1130) -0.244s
Before
Unknown Unknown 0 - LongFast 2026-03-26 23:47:01 UTC View
❄ qcmesh.net 1130 (1130) -0.233s
Before
Unknown Unknown 0 - MediumFast 2026-03-26 23:47:01 UTC View
❄ qcmesh.net 1130 (1130) -0.221s
Before
Unknown Unknown 0 - MediumFast 2026-03-26 23:47:01 UTC View
❄ qcmesh.net 1130 (1130) -0.211s
Before
Unknown Unknown 0 - MediumFast 2026-03-26 23:47:01 UTC View
❄ qcmesh.net 1130 (1130) -0.199s
Before
Unknown Unknown 0 - MediumFast 2026-03-26 23:47:01 UTC View
❄ qcmesh.net 1130 (1130) -0.184s
Before
Unknown Unknown 0 - MediumFast 2026-03-26 23:47:01 UTC View
❄ qcmesh.net 1130 (1130) -0.172s
Before
Unknown Unknown 0 - MediumFast 2026-03-26 23:47:01 UTC View
❄ qcmesh.net 1130 (1130) -0.156s
Before
Unknown Unknown 0 - MediumFast 2026-03-26 23:47:01 UTC View
❄ qcmesh.net 1130 (1130) -0.139s
Before
Unknown Unknown 0 - MediumFast 2026-03-26 23:47:01 UTC View
❄ qcmesh.net 1130 (1130) -0.125s
Before
Unknown Unknown 0 - MediumFast 2026-03-26 23:47:01 UTC View
❄ qcmesh.net 1130 (1130) -0.113s
Before
Unknown Unknown 0 - MediumFast 2026-03-26 23:47:01 UTC View
❄ qcmesh.net 1130 (1130) -0.100s
Before
Unknown Unknown 0 - MediumFast 2026-03-26 23:47:01 UTC View
❄ qcmesh.net 1130 (1130) -0.076s
Before
Unknown Unknown 0 - ShortFast 2026-03-26 23:47:01 UTC View
❄ qcmesh.net 1130 (1130) -0.059s
Before
Unknown Unknown 0 - ShortFast 2026-03-26 23:47:01 UTC View
❄ qcmesh.net 1130 (1130) -0.044s
Before
Unknown Unknown 0 - ShortFast 2026-03-26 23:47:01 UTC View
❄ qcmesh.net 1130 (1130) -0.031s
Before
Unknown Unknown 0 - ShortFast 2026-03-26 23:47:01 UTC View
❄ qcmesh.net 1130 (1130) -0.014s
Before
Unknown Unknown 0 - ShortFast 2026-03-26 23:47:01 UTC View
❄ qcmesh.net 1130 (1130) +0.014s
After
Unknown Unknown 0 - ShortFast 2026-03-26 23:47:01 UTC View
❄ qcmesh.net 1130 (1130) +0.026s
After
Unknown Unknown 0 - ShortFast 2026-03-26 23:47:01 UTC View
❄ qcmesh.net 1130 (1130) +0.041s
After
Unknown Unknown 0 - ShortFast 2026-03-26 23:47:01 UTC View
❄ qcmesh.net 1130 (1130) +0.076s
After
Unknown Unknown 0 - ShortFast 2026-03-26 23:47:02 UTC View
❄ qcmesh.net 1130 (1130) +0.102s
After
Unknown Unknown 0 - ShortFast 2026-03-26 23:47:02 UTC View
❄ qcmesh.net 1130 (1130) +0.119s
After
Unknown Unknown 0 - ShortTurbo 2026-03-26 23:47:02 UTC View
❄ qcmesh.net 1130 (1130) +0.140s
After
Unknown Unknown 0 - ShortTurbo 2026-03-26 23:47:02 UTC View
❄ qcmesh.net 1130 (1130) +0.155s
After
Unknown Unknown 0 - ShortTurbo 2026-03-26 23:47:02 UTC View
❄ qcmesh.net 1130 (1130) +0.167s
After
Unknown Unknown 0 - ShortTurbo 2026-03-26 23:47:02 UTC View
❄ qcmesh.net 1130 (1130) +0.179s
After
Unknown Unknown 0 - ShortTurbo 2026-03-26 23:47:02 UTC View
❄ qcmesh.net 1130 (1130) +0.190s
After
Unknown Unknown 0 - ShortTurbo 2026-03-26 23:47:02 UTC View
❄ qcmesh.net 1130 (1130) +0.202s
After
Unknown Unknown 0 - ShortTurbo 2026-03-26 23:47:02 UTC View
❄ qcmesh.net 1130 (1130) +0.213s
After
Unknown Unknown 0 - ShortTurbo 2026-03-26 23:47:02 UTC View
❄ qcmesh.net 1130 (1130) +0.225s
After
Unknown Unknown 0 - ShortTurbo 2026-03-26 23:47:02 UTC View
❄ qcmesh.net 1130 (1130) +0.237s
After
Unknown Unknown 0 - ShortTurbo 2026-03-26 23:47:02 UTC View
❄ qcmesh.net 1130 (1130) +0.249s
After
Unknown Unknown 0 - ShortTurbo 2026-03-26 23:47:02 UTC View
❄ qcmesh.net 1130 (1130) +0.260s
After
Unknown Unknown 0 - LongFast 2026-03-26 23:47:02 UTC View
45

Total Receptions

1

Unique Gateways