Packet #17806832 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: 17806832
Mesh Packet ID: 0x1e253c28
Used for correlation across gateways
Timestamp: 2026-03-27 10:10:50 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 1774606250.2498193
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

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 10:10:50 UTC Current
Mechanicus Alpha (M1) -9.345s
Before 		Unknown Unknown 0 8c M1 LongFast 2026-03-27 10:10:40 UTC View
Mechanicus Alpha (M1) -7.949s
Before 		Unknown Unknown 0 8c M1 LongFast 2026-03-27 10:10:42 UTC View
Mechanicus Alpha (M1) -7.657s
Before 		Unknown Unknown 0 8c M1 LongFast 2026-03-27 10:10:42 UTC View
Mechanicus Alpha (M1) -7.158s
Before 		Unknown Unknown 0 8c M1 LongFast 2026-03-27 10:10:43 UTC View
Mechanicus Alpha (M1) -6.941s
Before 		Unknown Unknown 0 8c M1 LongFast 2026-03-27 10:10:43 UTC View
Mechanicus Alpha (M1) -6.247s
Before 		Unknown Unknown 0 8c M1 MediumFast 2026-03-27 10:10:44 UTC View
Mechanicus Alpha (M1) -6.193s
Before 		Unknown Unknown 0 8c M1 LongFast 2026-03-27 10:10:44 UTC View
Mechanicus Alpha (M1) -6.091s
Before 		Unknown Unknown 0 8c M1 LongFast 2026-03-27 10:10:44 UTC View
Mechanicus Alpha (M1) -5.919s
Before 		Unknown Unknown 0 8c M1 LongFast 2026-03-27 10:10:44 UTC View
Mechanicus Alpha (M1) -5.622s
Before 		Unknown Unknown 0 8c M1 MediumFast 2026-03-27 10:10:44 UTC View
Mechanicus Alpha (M1) -5.472s
Before 		Unknown Unknown 0 8c M1 MediumFast 2026-03-27 10:10:44 UTC View
Mechanicus Alpha (M1) -5.459s
Before 		Unknown Unknown 0 8c M1 MediumFast 2026-03-27 10:10:44 UTC View
Mechanicus Alpha (M1) -5.436s
Before 		Unknown Unknown 0 8c M1 ShortFast 2026-03-27 10:10:44 UTC View
Mechanicus Alpha (M1) -5.401s
Before 		Unknown Unknown 0 8c M1 MediumFast 2026-03-27 10:10:44 UTC View
Mechanicus Alpha (M1) -5.200s
Before 		Unknown Unknown 0 8c M1 MediumFast 2026-03-27 10:10:45 UTC View
Mechanicus Alpha (M1) -4.938s
Before 		Unknown Unknown 0 8c M1 LongFast 2026-03-27 10:10:45 UTC View
Mechanicus Alpha (M1) -4.865s
Before 		Unknown Unknown 0 8c M1 LongFast 2026-03-27 10:10:45 UTC View
Mechanicus Alpha (M1) -4.740s
Before 		Unknown Unknown 0 8c M1 LongFast 2026-03-27 10:10:45 UTC View
Mechanicus Alpha (M1) -4.715s
Before 		Unknown Unknown 0 8c M1 MediumFast 2026-03-27 10:10:45 UTC View
Mechanicus Alpha (M1) -4.470s
Before 		Unknown Unknown 0 8c M1 ShortTurbo 2026-03-27 10:10:45 UTC View
Mechanicus Alpha (M1) -4.435s
Before 		Unknown Unknown 0 8c M1 MediumFast 2026-03-27 10:10:45 UTC View
Mechanicus Alpha (M1) -4.330s
Before 		Unknown Unknown 0 8c M1 ShortFast 2026-03-27 10:10:45 UTC View
Mechanicus Alpha (M1) -4.269s
Before 		Unknown Unknown 0 8c M1 ShortFast 2026-03-27 10:10:45 UTC View
Mechanicus Alpha (M1) -4.258s
Before 		Unknown Unknown 0 8c M1 ShortFast 2026-03-27 10:10:45 UTC View
Mechanicus Alpha (M1) -4.247s
Before 		Unknown Unknown 0 8c M1 MediumFast 2026-03-27 10:10:46 UTC View
Mechanicus Alpha (M1) -3.861s
Before 		Unknown Unknown 0 8c M1 MediumFast 2026-03-27 10:10:46 UTC View
Mechanicus Alpha (M1) -3.570s
Before 		Unknown Unknown 0 8c M1 ShortFast 2026-03-27 10:10:46 UTC View
Mechanicus Alpha (M1) -3.152s
Before 		Unknown Unknown 0 8c M1 ShortFast 2026-03-27 10:10:47 UTC View
Mechanicus Alpha (M1) -3.021s
Before 		Unknown Unknown 0 8c M1 ShortFast 2026-03-27 10:10:47 UTC View
Mechanicus Alpha (M1) -2.795s
Before 		Unknown Unknown 0 8c M1 MediumFast 2026-03-27 10:10:47 UTC View
Mechanicus Alpha (M1) -2.657s
Before 		Unknown Unknown 0 8c M1 ShortFast 2026-03-27 10:10:47 UTC View
Mechanicus Alpha (M1) -2.571s
Before 		Unknown Unknown 0 8c M1 ShortTurbo 2026-03-27 10:10:47 UTC View
Mechanicus Alpha (M1) -2.397s
Before 		Unknown Unknown 0 8c M1 ShortFast 2026-03-27 10:10:47 UTC View
Mechanicus Alpha (M1) -2.327s
Before 		Unknown Unknown 0 8c M1 ShortFast 2026-03-27 10:10:47 UTC View
Mechanicus Alpha (M1) -1.907s
Before 		Unknown Unknown 0 8c M1 ShortTurbo 2026-03-27 10:10:48 UTC View
Mechanicus Alpha (M1) -1.565s
Before 		Unknown Unknown 0 8c M1 ShortFast 2026-03-27 10:10:48 UTC View
Mechanicus Alpha (M1) -1.422s
Before 		Unknown Unknown 0 8c M1 ShortTurbo 2026-03-27 10:10:48 UTC View
Mechanicus Alpha (M1) -1.379s
Before 		Unknown Unknown 0 8c M1 ShortTurbo 2026-03-27 10:10:48 UTC View
Mechanicus Alpha (M1) -1.110s
Before 		Unknown Unknown 0 8c M1 ShortTurbo 2026-03-27 10:10:49 UTC View
Mechanicus Alpha (M1) -0.712s
Before 		Unknown Unknown 0 8c M1 ShortTurbo 2026-03-27 10:10:49 UTC View
Mechanicus Alpha (M1) -0.610s
Before 		Unknown Unknown 0 8c M1 ShortTurbo 2026-03-27 10:10:49 UTC View
Mechanicus Alpha (M1) +0.211s
After 		Unknown Unknown 0 8c M1 ShortTurbo 2026-03-27 10:10:50 UTC View
Mechanicus Alpha (M1) +0.304s
After 		Unknown Unknown 0 8c M1 ShortTurbo 2026-03-27 10:10:50 UTC View
Mechanicus Alpha (M1) +0.621s
After 		Unknown Unknown 0 8c M1 ShortTurbo 2026-03-27 10:10:50 UTC View
45

Total Receptions

1

Unique Gateways