Packet #17636403 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: 17636403
Mesh Packet ID: 0xacc61f28
Used for correlation across gateways
Timestamp: 2026-03-27 01:08:53 UTC
From Node: ❄ qcmesh.net 1130 (1130)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: POSITION_APP
Port: 3
Gateway: ❄ qcmesh.net 1130 (1130)
Channel: ShortTurbo
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:ShortTurbo
Payload Type:POSITION_APP
Hop Count:Unknown / 4
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: ShortTurbo
+ 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 ShortTurbo
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 1774573726
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 1774573733.3113596
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
  • ✓ 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": "ShortTurbo", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 2718568752, "to": 4294967295, "id": 2898665256, "rx_time": 1774573726, "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 - ShortTurbo 2026-03-27 01:08:53 UTC Current
❄ qcmesh.net 1130 (1130) -0.457s
Before
Unknown Unknown 0 - LongFast 2026-03-27 01:08:52 UTC View
❄ qcmesh.net 1130 (1130) -0.431s
Before
Unknown Unknown 0 - LongFast 2026-03-27 01:08:52 UTC View
❄ qcmesh.net 1130 (1130) -0.420s
Before
Unknown Unknown 0 - LongFast 2026-03-27 01:08:52 UTC View
❄ qcmesh.net 1130 (1130) -0.404s
Before
Unknown Unknown 0 - LongFast 2026-03-27 01:08:52 UTC View
❄ qcmesh.net 1130 (1130) -0.386s
Before
Unknown Unknown 0 - LongFast 2026-03-27 01:08:52 UTC View
❄ qcmesh.net 1130 (1130) -0.369s
Before
Unknown Unknown 0 - LongFast 2026-03-27 01:08:52 UTC View
❄ qcmesh.net 1130 (1130) -0.359s
Before
Unknown Unknown 0 - LongFast 2026-03-27 01:08:52 UTC View
❄ qcmesh.net 1130 (1130) -0.348s
Before
Unknown Unknown 0 - LongFast 2026-03-27 01:08:52 UTC View
❄ qcmesh.net 1130 (1130) -0.337s
Before
Unknown Unknown 0 - LongFast 2026-03-27 01:08:52 UTC View
❄ qcmesh.net 1130 (1130) -0.326s
Before
Unknown Unknown 0 - LongFast 2026-03-27 01:08:52 UTC View
❄ qcmesh.net 1130 (1130) -0.313s
Before
Unknown Unknown 0 - LongFast 2026-03-27 01:08:52 UTC View
❄ qcmesh.net 1130 (1130) -0.301s
Before
Unknown Unknown 0 - MediumFast 2026-03-27 01:08:53 UTC View
❄ qcmesh.net 1130 (1130) -0.290s
Before
Unknown Unknown 0 - MediumFast 2026-03-27 01:08:53 UTC View
❄ qcmesh.net 1130 (1130) -0.278s
Before
Unknown Unknown 0 - MediumFast 2026-03-27 01:08:53 UTC View
❄ qcmesh.net 1130 (1130) -0.266s
Before
Unknown Unknown 0 - MediumFast 2026-03-27 01:08:53 UTC View
❄ qcmesh.net 1130 (1130) -0.255s
Before
Unknown Unknown 0 - MediumFast 2026-03-27 01:08:53 UTC View
❄ qcmesh.net 1130 (1130) -0.243s
Before
Unknown Unknown 0 - MediumFast 2026-03-27 01:08:53 UTC View
❄ qcmesh.net 1130 (1130) -0.232s
Before
Unknown Unknown 0 - MediumFast 2026-03-27 01:08:53 UTC View
❄ qcmesh.net 1130 (1130) -0.222s
Before
Unknown Unknown 0 - MediumFast 2026-03-27 01:08:53 UTC View
❄ qcmesh.net 1130 (1130) -0.211s
Before
Unknown Unknown 0 - MediumFast 2026-03-27 01:08:53 UTC View
❄ qcmesh.net 1130 (1130) -0.201s
Before
Unknown Unknown 0 - MediumFast 2026-03-27 01:08:53 UTC View
❄ qcmesh.net 1130 (1130) -0.190s
Before
Unknown Unknown 0 - MediumFast 2026-03-27 01:08:53 UTC View
❄ qcmesh.net 1130 (1130) -0.180s
Before
Unknown Unknown 0 - ShortFast 2026-03-27 01:08:53 UTC View
❄ qcmesh.net 1130 (1130) -0.169s
Before
Unknown Unknown 0 - ShortFast 2026-03-27 01:08:53 UTC View
❄ qcmesh.net 1130 (1130) -0.158s
Before
Unknown Unknown 0 - ShortFast 2026-03-27 01:08:53 UTC View
❄ qcmesh.net 1130 (1130) -0.146s
Before
Unknown Unknown 0 - ShortFast 2026-03-27 01:08:53 UTC View
❄ qcmesh.net 1130 (1130) -0.134s
Before
Unknown Unknown 0 - ShortFast 2026-03-27 01:08:53 UTC View
❄ qcmesh.net 1130 (1130) -0.122s
Before
Unknown Unknown 0 - ShortFast 2026-03-27 01:08:53 UTC View
❄ qcmesh.net 1130 (1130) -0.110s
Before
Unknown Unknown 0 - ShortFast 2026-03-27 01:08:53 UTC View
❄ qcmesh.net 1130 (1130) -0.099s
Before
Unknown Unknown 0 - ShortFast 2026-03-27 01:08:53 UTC View
❄ qcmesh.net 1130 (1130) -0.087s
Before
Unknown Unknown 0 - ShortFast 2026-03-27 01:08:53 UTC View
❄ qcmesh.net 1130 (1130) -0.075s
Before
Unknown Unknown 0 - ShortFast 2026-03-27 01:08:53 UTC View
❄ qcmesh.net 1130 (1130) -0.064s
Before
Unknown Unknown 0 - ShortFast 2026-03-27 01:08:53 UTC View
❄ qcmesh.net 1130 (1130) -0.053s
Before
Unknown Unknown 0 - ShortTurbo 2026-03-27 01:08:53 UTC View
❄ qcmesh.net 1130 (1130) -0.042s
Before
Unknown Unknown 0 - ShortTurbo 2026-03-27 01:08:53 UTC View
❄ qcmesh.net 1130 (1130) -0.032s
Before
Unknown Unknown 0 - ShortTurbo 2026-03-27 01:08:53 UTC View
❄ qcmesh.net 1130 (1130) -0.021s
Before
Unknown Unknown 0 - ShortTurbo 2026-03-27 01:08:53 UTC View
❄ qcmesh.net 1130 (1130) -0.011s
Before
Unknown Unknown 0 - ShortTurbo 2026-03-27 01:08:53 UTC View
❄ qcmesh.net 1130 (1130) +0.011s
After
Unknown Unknown 0 - ShortTurbo 2026-03-27 01:08:53 UTC View
❄ qcmesh.net 1130 (1130) +0.021s
After
Unknown Unknown 0 - ShortTurbo 2026-03-27 01:08:53 UTC View
❄ qcmesh.net 1130 (1130) +0.033s
After
Unknown Unknown 0 - ShortTurbo 2026-03-27 01:08:53 UTC View
❄ qcmesh.net 1130 (1130) +0.045s
After
Unknown Unknown 0 - ShortTurbo 2026-03-27 01:08:53 UTC View
❄ qcmesh.net 1130 (1130) +0.057s
After
Unknown Unknown 0 - ShortTurbo 2026-03-27 01:08:53 UTC View
❄ qcmesh.net 1130 (1130) +0.074s
After
Unknown Unknown 0 - LongFast 2026-03-27 01:08:53 UTC View
45

Total Receptions

1

Unique Gateways