Packet #17806636 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: 17806636
Mesh Packet ID: 0x1e253c28
Used for correlation across gateways
Timestamp: 2026-03-27 10:10:47 UTC
From Node: Mechanicus Alpha (M1)
To Node: kwarc.org c908 (KWC)
Success: Processed
Protocol: POSITION_APP
Port: 3
Gateway: Mechanicus Alpha (M1)
Channel: ShortFast
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:ShortFast
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
+ 3 more...
Exposure Risks:
⚠ Packet visible to MQTT subscribers
⚠ Full GPS precision shared
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !433e868c
Node ID format
channel_id ShortFast
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 1774606247.922341
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
  • ✓ Custom channel: ShortFast
  • ✓ Gateway node ID tracked
  • ✓ Zero-hop: direct from source to MQTT gateway
Exposure Risks:
  • ⚠ 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": "ShortFast", "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

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 ShortFast 2026-03-27 10:10:47 UTC Current
Mechanicus Alpha (M1) -7.017s
Before 		Unknown Unknown 0 8c M1 LongFast 2026-03-27 10:10:40 UTC View
Mechanicus Alpha (M1) -5.622s
Before 		Unknown Unknown 0 8c M1 LongFast 2026-03-27 10:10:42 UTC View
Mechanicus Alpha (M1) -5.330s
Before 		Unknown Unknown 0 8c M1 LongFast 2026-03-27 10:10:42 UTC View
Mechanicus Alpha (M1) -4.831s
Before 		Unknown Unknown 0 8c M1 LongFast 2026-03-27 10:10:43 UTC View
Mechanicus Alpha (M1) -4.614s
Before 		Unknown Unknown 0 8c M1 LongFast 2026-03-27 10:10:43 UTC View
Mechanicus Alpha (M1) -3.919s
Before 		Unknown Unknown 0 8c M1 MediumFast 2026-03-27 10:10:44 UTC View
Mechanicus Alpha (M1) -3.865s
Before 		Unknown Unknown 0 8c M1 LongFast 2026-03-27 10:10:44 UTC View
Mechanicus Alpha (M1) -3.763s
Before 		Unknown Unknown 0 8c M1 LongFast 2026-03-27 10:10:44 UTC View
Mechanicus Alpha (M1) -3.592s
Before 		Unknown Unknown 0 8c M1 LongFast 2026-03-27 10:10:44 UTC View
Mechanicus Alpha (M1) -3.294s
Before 		Unknown Unknown 0 8c M1 MediumFast 2026-03-27 10:10:44 UTC View
Mechanicus Alpha (M1) -3.144s
Before 		Unknown Unknown 0 8c M1 MediumFast 2026-03-27 10:10:44 UTC View
Mechanicus Alpha (M1) -3.132s
Before 		Unknown Unknown 0 8c M1 MediumFast 2026-03-27 10:10:44 UTC View
Mechanicus Alpha (M1) -3.109s
Before 		Unknown Unknown 0 8c M1 ShortFast 2026-03-27 10:10:44 UTC View
Mechanicus Alpha (M1) -3.073s
Before 		Unknown Unknown 0 8c M1 MediumFast 2026-03-27 10:10:44 UTC View
Mechanicus Alpha (M1) -2.873s
Before 		Unknown Unknown 0 8c M1 MediumFast 2026-03-27 10:10:45 UTC View
Mechanicus Alpha (M1) -2.611s
Before 		Unknown Unknown 0 8c M1 LongFast 2026-03-27 10:10:45 UTC View
Mechanicus Alpha (M1) -2.537s
Before 		Unknown Unknown 0 8c M1 LongFast 2026-03-27 10:10:45 UTC View
Mechanicus Alpha (M1) -2.413s
Before 		Unknown Unknown 0 8c M1 LongFast 2026-03-27 10:10:45 UTC View
Mechanicus Alpha (M1) -2.388s
Before 		Unknown Unknown 0 8c M1 MediumFast 2026-03-27 10:10:45 UTC View
Mechanicus Alpha (M1) -2.143s
Before 		Unknown Unknown 0 8c M1 ShortTurbo 2026-03-27 10:10:45 UTC View
Mechanicus Alpha (M1) -2.107s
Before 		Unknown Unknown 0 8c M1 MediumFast 2026-03-27 10:10:45 UTC View
Mechanicus Alpha (M1) -2.003s
Before 		Unknown Unknown 0 8c M1 ShortFast 2026-03-27 10:10:45 UTC View
Mechanicus Alpha (M1) -1.942s
Before 		Unknown Unknown 0 8c M1 ShortFast 2026-03-27 10:10:45 UTC View
Mechanicus Alpha (M1) -1.931s
Before 		Unknown Unknown 0 8c M1 ShortFast 2026-03-27 10:10:45 UTC View
Mechanicus Alpha (M1) -1.920s
Before 		Unknown Unknown 0 8c M1 MediumFast 2026-03-27 10:10:46 UTC View
Mechanicus Alpha (M1) -1.534s
Before 		Unknown Unknown 0 8c M1 MediumFast 2026-03-27 10:10:46 UTC View
Mechanicus Alpha (M1) -1.243s
Before 		Unknown Unknown 0 8c M1 ShortFast 2026-03-27 10:10:46 UTC View
Mechanicus Alpha (M1) -0.825s
Before 		Unknown Unknown 0 8c M1 ShortFast 2026-03-27 10:10:47 UTC View
Mechanicus Alpha (M1) -0.693s
Before 		Unknown Unknown 0 8c M1 ShortFast 2026-03-27 10:10:47 UTC View
Mechanicus Alpha (M1) -0.468s
Before 		Unknown Unknown 0 8c M1 MediumFast 2026-03-27 10:10:47 UTC View
Mechanicus Alpha (M1) -0.329s
Before 		Unknown Unknown 0 8c M1 ShortFast 2026-03-27 10:10:47 UTC View
Mechanicus Alpha (M1) -0.243s
Before 		Unknown Unknown 0 8c M1 ShortTurbo 2026-03-27 10:10:47 UTC View
Mechanicus Alpha (M1) -0.069s
Before 		Unknown Unknown 0 8c M1 ShortFast 2026-03-27 10:10:47 UTC View
Mechanicus Alpha (M1) +0.420s
After 		Unknown Unknown 0 8c M1 ShortTurbo 2026-03-27 10:10:48 UTC View
Mechanicus Alpha (M1) +0.763s
After 		Unknown Unknown 0 8c M1 ShortFast 2026-03-27 10:10:48 UTC View
Mechanicus Alpha (M1) +0.906s
After 		Unknown Unknown 0 8c M1 ShortTurbo 2026-03-27 10:10:48 UTC View
Mechanicus Alpha (M1) +0.948s
After 		Unknown Unknown 0 8c M1 ShortTurbo 2026-03-27 10:10:48 UTC View
Mechanicus Alpha (M1) +1.218s
After 		Unknown Unknown 0 8c M1 ShortTurbo 2026-03-27 10:10:49 UTC View
Mechanicus Alpha (M1) +1.615s
After 		Unknown Unknown 0 8c M1 ShortTurbo 2026-03-27 10:10:49 UTC View
Mechanicus Alpha (M1) +1.717s
After 		Unknown Unknown 0 8c M1 ShortTurbo 2026-03-27 10:10:49 UTC View
Mechanicus Alpha (M1) +2.327s
After 		Unknown Unknown 0 8c M1 LongFast 2026-03-27 10:10:50 UTC View
Mechanicus Alpha (M1) +2.538s
After 		Unknown Unknown 0 8c M1 ShortTurbo 2026-03-27 10:10:50 UTC View
Mechanicus Alpha (M1) +2.632s
After 		Unknown Unknown 0 8c M1 ShortTurbo 2026-03-27 10:10:50 UTC View
Mechanicus Alpha (M1) +2.949s
After 		Unknown Unknown 0 8c M1 ShortTurbo 2026-03-27 10:10:50 UTC View
45

Total Receptions

1

Unique Gateways