Packet #17611047 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: 17611047
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: MediumFast
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:MediumFast
Payload Type:POSITION_APP
Hop Count:Unknown / 4
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: MediumFast
+ 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 MediumFast
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 1774568821.7418826
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: MediumFast
  • ✓ 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": "MediumFast", "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 - MediumFast 2026-03-26 23:47:01 UTC Current
❄ qcmesh.net 1130 (1130) -0.202s
Before
Unknown Unknown 0 - LongFast 2026-03-26 23:47:01 UTC View
❄ qcmesh.net 1130 (1130) -0.167s
Before
Unknown Unknown 0 - LongFast 2026-03-26 23:47:01 UTC View
❄ qcmesh.net 1130 (1130) -0.154s
Before
Unknown Unknown 0 - LongFast 2026-03-26 23:47:01 UTC View
❄ qcmesh.net 1130 (1130) -0.135s
Before
Unknown Unknown 0 - LongFast 2026-03-26 23:47:01 UTC View
❄ qcmesh.net 1130 (1130) -0.117s
Before
Unknown Unknown 0 - LongFast 2026-03-26 23:47:01 UTC View
❄ qcmesh.net 1130 (1130) -0.099s
Before
Unknown Unknown 0 - LongFast 2026-03-26 23:47:01 UTC View
❄ qcmesh.net 1130 (1130) -0.086s
Before
Unknown Unknown 0 - LongFast 2026-03-26 23:47:01 UTC View
❄ qcmesh.net 1130 (1130) -0.070s
Before
Unknown Unknown 0 - LongFast 2026-03-26 23:47:01 UTC View
❄ qcmesh.net 1130 (1130) -0.058s
Before
Unknown Unknown 0 - LongFast 2026-03-26 23:47:01 UTC View
❄ qcmesh.net 1130 (1130) -0.046s
Before
Unknown Unknown 0 - LongFast 2026-03-26 23:47:01 UTC View
❄ qcmesh.net 1130 (1130) -0.033s
Before
Unknown Unknown 0 - LongFast 2026-03-26 23:47:01 UTC View
❄ qcmesh.net 1130 (1130) -0.022s
Before
Unknown Unknown 0 - MediumFast 2026-03-26 23:47:01 UTC View
❄ qcmesh.net 1130 (1130) -0.011s
Before
Unknown Unknown 0 - MediumFast 2026-03-26 23:47:01 UTC View
❄ qcmesh.net 1130 (1130) +0.012s
After
Unknown Unknown 0 - MediumFast 2026-03-26 23:47:01 UTC View
❄ qcmesh.net 1130 (1130) +0.026s
After
Unknown Unknown 0 - MediumFast 2026-03-26 23:47:01 UTC View
❄ qcmesh.net 1130 (1130) +0.039s
After
Unknown Unknown 0 - MediumFast 2026-03-26 23:47:01 UTC View
❄ qcmesh.net 1130 (1130) +0.055s
After
Unknown Unknown 0 - MediumFast 2026-03-26 23:47:01 UTC View
❄ qcmesh.net 1130 (1130) +0.071s
After
Unknown Unknown 0 - MediumFast 2026-03-26 23:47:01 UTC View
❄ qcmesh.net 1130 (1130) +0.085s
After
Unknown Unknown 0 - MediumFast 2026-03-26 23:47:01 UTC View
❄ qcmesh.net 1130 (1130) +0.098s
After
Unknown Unknown 0 - MediumFast 2026-03-26 23:47:01 UTC View
❄ qcmesh.net 1130 (1130) +0.111s
After
Unknown Unknown 0 - MediumFast 2026-03-26 23:47:01 UTC View
❄ qcmesh.net 1130 (1130) +0.135s
After
Unknown Unknown 0 - ShortFast 2026-03-26 23:47:01 UTC View
❄ qcmesh.net 1130 (1130) +0.151s
After
Unknown Unknown 0 - ShortFast 2026-03-26 23:47:01 UTC View
❄ qcmesh.net 1130 (1130) +0.166s
After
Unknown Unknown 0 - ShortFast 2026-03-26 23:47:01 UTC View
❄ qcmesh.net 1130 (1130) +0.180s
After
Unknown Unknown 0 - ShortFast 2026-03-26 23:47:01 UTC View
❄ qcmesh.net 1130 (1130) +0.197s
After
Unknown Unknown 0 - ShortFast 2026-03-26 23:47:01 UTC View
❄ qcmesh.net 1130 (1130) +0.211s
After
Unknown Unknown 0 - ShortFast 2026-03-26 23:47:01 UTC View
❄ qcmesh.net 1130 (1130) +0.225s
After
Unknown Unknown 0 - ShortFast 2026-03-26 23:47:01 UTC View
❄ qcmesh.net 1130 (1130) +0.236s
After
Unknown Unknown 0 - ShortFast 2026-03-26 23:47:01 UTC View
❄ qcmesh.net 1130 (1130) +0.251s
After
Unknown Unknown 0 - ShortFast 2026-03-26 23:47:01 UTC View
❄ qcmesh.net 1130 (1130) +0.287s
After
Unknown Unknown 0 - ShortFast 2026-03-26 23:47:02 UTC View
❄ qcmesh.net 1130 (1130) +0.313s
After
Unknown Unknown 0 - ShortFast 2026-03-26 23:47:02 UTC View
❄ qcmesh.net 1130 (1130) +0.329s
After
Unknown Unknown 0 - ShortTurbo 2026-03-26 23:47:02 UTC View
❄ qcmesh.net 1130 (1130) +0.350s
After
Unknown Unknown 0 - ShortTurbo 2026-03-26 23:47:02 UTC View
❄ qcmesh.net 1130 (1130) +0.366s
After
Unknown Unknown 0 - ShortTurbo 2026-03-26 23:47:02 UTC View
❄ qcmesh.net 1130 (1130) +0.378s
After
Unknown Unknown 0 - ShortTurbo 2026-03-26 23:47:02 UTC View
❄ qcmesh.net 1130 (1130) +0.389s
After
Unknown Unknown 0 - ShortTurbo 2026-03-26 23:47:02 UTC View
❄ qcmesh.net 1130 (1130) +0.401s
After
Unknown Unknown 0 - ShortTurbo 2026-03-26 23:47:02 UTC View
❄ qcmesh.net 1130 (1130) +0.412s
After
Unknown Unknown 0 - ShortTurbo 2026-03-26 23:47:02 UTC View
❄ qcmesh.net 1130 (1130) +0.424s
After
Unknown Unknown 0 - ShortTurbo 2026-03-26 23:47:02 UTC View
❄ qcmesh.net 1130 (1130) +0.436s
After
Unknown Unknown 0 - ShortTurbo 2026-03-26 23:47:02 UTC View
❄ qcmesh.net 1130 (1130) +0.448s
After
Unknown Unknown 0 - ShortTurbo 2026-03-26 23:47:02 UTC View
❄ qcmesh.net 1130 (1130) +0.459s
After
Unknown Unknown 0 - ShortTurbo 2026-03-26 23:47:02 UTC View
❄ qcmesh.net 1130 (1130) +0.470s
After
Unknown Unknown 0 - LongFast 2026-03-26 23:47:02 UTC View
45

Total Receptions

1

Unique Gateways