Packet #17806318 Success

POSITION_APP packet from Mechanicus Alpha (M1) to kwarc.org c908 (KWC)

45
Total Receptions
1
Unique Gateways
0
Hop Count
28
Payload Bytes
Packet Information
Database ID: 17806318
Mesh Packet ID: 0x1e253c28
Used for correlation across gateways
Timestamp: 2026-03-27 10:10:44 UTC
From Node: Mechanicus Alpha (M1)
To Node: kwarc.org c908 (KWC)
Success: Processed
Protocol: POSITION_APP
Port: 3
Gateway: Mechanicus Alpha (M1)
Channel: LongFast
RSSI: Unknown
SNR: Unknown
Hop Info: 0/2 hops
Start: 2, Limit: 2
Relay Node: 8c M1
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: 28 bytes
Decoded: Yes
Decoded Data:
Latitude:49.922867°
Longitude:-97.149747°
Altitude:233 m
Precision:18 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:28 bytes
Gateway:!433e868c
Channel:LongFast
Payload Type:POSITION_APP
Hop Count:Unknown / 2
Privacy Summary
Exposure Level:
Direct Message
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Targeted to specific node
+ 2 more...
Exposure Risks:
⚠ Default channel - no encryption
⚠ Packet visible to MQTT subscribers
+ 1 more...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !433e868c
Node ID format
channel_id LongFast
Default public channel
packet MeshPacket (28 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 1128171148
Source node ID
uint32
to 3812346120
Target node ID
uint32
decoded.portnum 3
POSITION_APP
enum
decoded.payload_length 28 bytes size
hop_limit 2
Remaining hops allowed
uint32
hop_start 2
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 1774606233
Receive timestamp
fixed32
via_mqtt False
Direct LoRa transmission
bool
want_ack False
No ACK requested
bool
priority 70
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 140
Relay node ID
uint32
tx_after Not set uint32
timestamp 1774606244.1589868
Unix timestamp
uint32
MQTT Privacy & Exposure Analysis

Analysis of privacy features and exposure risks when packet is shared via MQTT

Exposure Level: Direct Message
Privacy Features:
  • ✓ Direct LoRa transmission (not via MQTT)
  • ✓ Targeted to specific node
  • ✓ Gateway node ID tracked
  • ✓ Zero-hop: direct from source to MQTT gateway
Exposure Risks:
  • ⚠ Default channel - no encryption
  • ⚠ Packet visible to MQTT subscribers
  • ⚠ Full GPS precision shared
MQTT-Specific Fields
Gateway ID: !433e868c
Position Precision: 18 bits (~91.0m accuracy)
Position precision meters: 91.0
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:28 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "latitude": 49.9228672, "longitude": -97.1497472, "altitude": 233, "sats_in_view": null, "precision_bits": 18 }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!433e868c", "channel_id": "LongFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 1128171148, "to": 3812346120, "id": 505756712, "rx_time": 1774606233, "rx_snr": 0.0, "rx_rssi": 0, "hop_limit": 2, "hop_start": 2, "via_mqtt": false, "want_ack": false, "priority": 70, "delayed": 0, "channel_index": null, "pki_encrypted": false, "next_hop": 0, "relay_node": 140, "tx_after": 0, "decoded": { "portnum": 3, "payload": "0d00a0c11d15002018c618e901259957c66928017800800100b80112", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 499228672, "longitude_i": -971497472, "altitude": 233, "time": 1774606233, "location_source": "LOC_MANUAL", "ground_speed": 0, "ground_track": 0, "precision_bits": 18, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }
Raw Packet Data (28 bytes)
0d00a0c11d15002018c618e901259957c66928017800800100b80112
Hex Analysis:
Size:28 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
Mechanicus Alpha (M1) Primary 0.000s
Reference
Unknown Unknown 0 8c M1 LongFast 2026-03-27 10:10:44 UTC Current
Mechanicus Alpha (M1) -3.254s
Before
Unknown Unknown 0 8c M1 LongFast 2026-03-27 10:10:40 UTC View
Mechanicus Alpha (M1) -1.858s
Before
Unknown Unknown 0 8c M1 LongFast 2026-03-27 10:10:42 UTC View
Mechanicus Alpha (M1) -1.567s
Before
Unknown Unknown 0 8c M1 LongFast 2026-03-27 10:10:42 UTC View
Mechanicus Alpha (M1) -1.067s
Before
Unknown Unknown 0 8c M1 LongFast 2026-03-27 10:10:43 UTC View
Mechanicus Alpha (M1) -0.850s
Before
Unknown Unknown 0 8c M1 LongFast 2026-03-27 10:10:43 UTC View
Mechanicus Alpha (M1) -0.156s
Before
Unknown Unknown 0 8c M1 MediumFast 2026-03-27 10:10:44 UTC View
Mechanicus Alpha (M1) -0.102s
Before
Unknown Unknown 0 8c M1 LongFast 2026-03-27 10:10:44 UTC View
Mechanicus Alpha (M1) +0.172s
After
Unknown Unknown 0 8c M1 LongFast 2026-03-27 10:10:44 UTC View
Mechanicus Alpha (M1) +0.469s
After
Unknown Unknown 0 8c M1 MediumFast 2026-03-27 10:10:44 UTC View
Mechanicus Alpha (M1) +0.619s
After
Unknown Unknown 0 8c M1 MediumFast 2026-03-27 10:10:44 UTC View
Mechanicus Alpha (M1) +0.632s
After
Unknown Unknown 0 8c M1 MediumFast 2026-03-27 10:10:44 UTC View
Mechanicus Alpha (M1) +0.655s
After
Unknown Unknown 0 8c M1 ShortFast 2026-03-27 10:10:44 UTC View
Mechanicus Alpha (M1) +0.690s
After
Unknown Unknown 0 8c M1 MediumFast 2026-03-27 10:10:44 UTC View
Mechanicus Alpha (M1) +0.891s
After
Unknown Unknown 0 8c M1 MediumFast 2026-03-27 10:10:45 UTC View
Mechanicus Alpha (M1) +1.152s
After
Unknown Unknown 0 8c M1 LongFast 2026-03-27 10:10:45 UTC View
Mechanicus Alpha (M1) +1.226s
After
Unknown Unknown 0 8c M1 LongFast 2026-03-27 10:10:45 UTC View
Mechanicus Alpha (M1) +1.351s
After
Unknown Unknown 0 8c M1 LongFast 2026-03-27 10:10:45 UTC View
Mechanicus Alpha (M1) +1.376s
After
Unknown Unknown 0 8c M1 MediumFast 2026-03-27 10:10:45 UTC View
Mechanicus Alpha (M1) +1.621s
After
Unknown Unknown 0 8c M1 ShortTurbo 2026-03-27 10:10:45 UTC View
Mechanicus Alpha (M1) +1.656s
After
Unknown Unknown 0 8c M1 MediumFast 2026-03-27 10:10:45 UTC View
Mechanicus Alpha (M1) +1.760s
After
Unknown Unknown 0 8c M1 ShortFast 2026-03-27 10:10:45 UTC View
Mechanicus Alpha (M1) +1.822s
After
Unknown Unknown 0 8c M1 ShortFast 2026-03-27 10:10:45 UTC View
Mechanicus Alpha (M1) +1.832s
After
Unknown Unknown 0 8c M1 ShortFast 2026-03-27 10:10:45 UTC View
Mechanicus Alpha (M1) +1.843s
After
Unknown Unknown 0 8c M1 MediumFast 2026-03-27 10:10:46 UTC View
Mechanicus Alpha (M1) +2.229s
After
Unknown Unknown 0 8c M1 MediumFast 2026-03-27 10:10:46 UTC View
Mechanicus Alpha (M1) +2.521s
After
Unknown Unknown 0 8c M1 ShortFast 2026-03-27 10:10:46 UTC View
Mechanicus Alpha (M1) +2.938s
After
Unknown Unknown 0 8c M1 ShortFast 2026-03-27 10:10:47 UTC View
Mechanicus Alpha (M1) +3.070s
After
Unknown Unknown 0 8c M1 ShortFast 2026-03-27 10:10:47 UTC View
Mechanicus Alpha (M1) +3.295s
After
Unknown Unknown 0 8c M1 MediumFast 2026-03-27 10:10:47 UTC View
Mechanicus Alpha (M1) +3.434s
After
Unknown Unknown 0 8c M1 ShortFast 2026-03-27 10:10:47 UTC View
Mechanicus Alpha (M1) +3.520s
After
Unknown Unknown 0 8c M1 ShortTurbo 2026-03-27 10:10:47 UTC View
Mechanicus Alpha (M1) +3.694s
After
Unknown Unknown 0 8c M1 ShortFast 2026-03-27 10:10:47 UTC View
Mechanicus Alpha (M1) +3.763s
After
Unknown Unknown 0 8c M1 ShortFast 2026-03-27 10:10:47 UTC View
Mechanicus Alpha (M1) +4.184s
After
Unknown Unknown 0 8c M1 ShortTurbo 2026-03-27 10:10:48 UTC View
Mechanicus Alpha (M1) +4.526s
After
Unknown Unknown 0 8c M1 ShortFast 2026-03-27 10:10:48 UTC View
Mechanicus Alpha (M1) +4.669s
After
Unknown Unknown 0 8c M1 ShortTurbo 2026-03-27 10:10:48 UTC View
Mechanicus Alpha (M1) +4.712s
After
Unknown Unknown 0 8c M1 ShortTurbo 2026-03-27 10:10:48 UTC View
Mechanicus Alpha (M1) +4.981s
After
Unknown Unknown 0 8c M1 ShortTurbo 2026-03-27 10:10:49 UTC View
Mechanicus Alpha (M1) +5.378s
After
Unknown Unknown 0 8c M1 ShortTurbo 2026-03-27 10:10:49 UTC View
Mechanicus Alpha (M1) +5.480s
After
Unknown Unknown 0 8c M1 ShortTurbo 2026-03-27 10:10:49 UTC View
Mechanicus Alpha (M1) +6.091s
After
Unknown Unknown 0 8c M1 LongFast 2026-03-27 10:10:50 UTC View
Mechanicus Alpha (M1) +6.302s
After
Unknown Unknown 0 8c M1 ShortTurbo 2026-03-27 10:10:50 UTC View
Mechanicus Alpha (M1) +6.395s
After
Unknown Unknown 0 8c M1 ShortTurbo 2026-03-27 10:10:50 UTC View
Mechanicus Alpha (M1) +6.712s
After
Unknown Unknown 0 8c M1 ShortTurbo 2026-03-27 10:10:50 UTC View
45

Total Receptions

1

Unique Gateways