Packet #17806472 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: 17806472
Mesh Packet ID: 0x1e253c28
Used for correlation across gateways
Timestamp: 2026-03-27 10:10:45 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 1774606245.9913685
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
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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 ShortFast 2026-03-27 10:10:45 UTC Current
Mechanicus Alpha (M1) -5.087s
Before
Unknown Unknown 0 8c M1 LongFast 2026-03-27 10:10:40 UTC View
Mechanicus Alpha (M1) -3.691s
Before
Unknown Unknown 0 8c M1 LongFast 2026-03-27 10:10:42 UTC View
Mechanicus Alpha (M1) -3.399s
Before
Unknown Unknown 0 8c M1 LongFast 2026-03-27 10:10:42 UTC View
Mechanicus Alpha (M1) -2.900s
Before
Unknown Unknown 0 8c M1 LongFast 2026-03-27 10:10:43 UTC View
Mechanicus Alpha (M1) -2.683s
Before
Unknown Unknown 0 8c M1 LongFast 2026-03-27 10:10:43 UTC View
Mechanicus Alpha (M1) -1.988s
Before
Unknown Unknown 0 8c M1 MediumFast 2026-03-27 10:10:44 UTC View
Mechanicus Alpha (M1) -1.934s
Before
Unknown Unknown 0 8c M1 LongFast 2026-03-27 10:10:44 UTC View
Mechanicus Alpha (M1) -1.832s
Before
Unknown Unknown 0 8c M1 LongFast 2026-03-27 10:10:44 UTC View
Mechanicus Alpha (M1) -1.661s
Before
Unknown Unknown 0 8c M1 LongFast 2026-03-27 10:10:44 UTC View
Mechanicus Alpha (M1) -1.363s
Before
Unknown Unknown 0 8c M1 MediumFast 2026-03-27 10:10:44 UTC View
Mechanicus Alpha (M1) -1.213s
Before
Unknown Unknown 0 8c M1 MediumFast 2026-03-27 10:10:44 UTC View
Mechanicus Alpha (M1) -1.201s
Before
Unknown Unknown 0 8c M1 MediumFast 2026-03-27 10:10:44 UTC View
Mechanicus Alpha (M1) -1.178s
Before
Unknown Unknown 0 8c M1 ShortFast 2026-03-27 10:10:44 UTC View
Mechanicus Alpha (M1) -1.142s
Before
Unknown Unknown 0 8c M1 MediumFast 2026-03-27 10:10:44 UTC View
Mechanicus Alpha (M1) -0.942s
Before
Unknown Unknown 0 8c M1 MediumFast 2026-03-27 10:10:45 UTC View
Mechanicus Alpha (M1) -0.680s
Before
Unknown Unknown 0 8c M1 LongFast 2026-03-27 10:10:45 UTC View
Mechanicus Alpha (M1) -0.606s
Before
Unknown Unknown 0 8c M1 LongFast 2026-03-27 10:10:45 UTC View
Mechanicus Alpha (M1) -0.482s
Before
Unknown Unknown 0 8c M1 LongFast 2026-03-27 10:10:45 UTC View
Mechanicus Alpha (M1) -0.457s
Before
Unknown Unknown 0 8c M1 MediumFast 2026-03-27 10:10:45 UTC View
Mechanicus Alpha (M1) -0.212s
Before
Unknown Unknown 0 8c M1 ShortTurbo 2026-03-27 10:10:45 UTC View
Mechanicus Alpha (M1) -0.176s
Before
Unknown Unknown 0 8c M1 MediumFast 2026-03-27 10:10:45 UTC View
Mechanicus Alpha (M1) -0.072s
Before
Unknown Unknown 0 8c M1 ShortFast 2026-03-27 10:10:45 UTC View
Mechanicus Alpha (M1) -0.011s
Before
Unknown Unknown 0 8c M1 ShortFast 2026-03-27 10:10:45 UTC View
Mechanicus Alpha (M1) +0.011s
After
Unknown Unknown 0 8c M1 MediumFast 2026-03-27 10:10:46 UTC View
Mechanicus Alpha (M1) +0.397s
After
Unknown Unknown 0 8c M1 MediumFast 2026-03-27 10:10:46 UTC View
Mechanicus Alpha (M1) +0.688s
After
Unknown Unknown 0 8c M1 ShortFast 2026-03-27 10:10:46 UTC View
Mechanicus Alpha (M1) +1.106s
After
Unknown Unknown 0 8c M1 ShortFast 2026-03-27 10:10:47 UTC View
Mechanicus Alpha (M1) +1.238s
After
Unknown Unknown 0 8c M1 ShortFast 2026-03-27 10:10:47 UTC View
Mechanicus Alpha (M1) +1.463s
After
Unknown Unknown 0 8c M1 MediumFast 2026-03-27 10:10:47 UTC View
Mechanicus Alpha (M1) +1.602s
After
Unknown Unknown 0 8c M1 ShortFast 2026-03-27 10:10:47 UTC View
Mechanicus Alpha (M1) +1.688s
After
Unknown Unknown 0 8c M1 ShortTurbo 2026-03-27 10:10:47 UTC View
Mechanicus Alpha (M1) +1.862s
After
Unknown Unknown 0 8c M1 ShortFast 2026-03-27 10:10:47 UTC View
Mechanicus Alpha (M1) +1.931s
After
Unknown Unknown 0 8c M1 ShortFast 2026-03-27 10:10:47 UTC View
Mechanicus Alpha (M1) +2.351s
After
Unknown Unknown 0 8c M1 ShortTurbo 2026-03-27 10:10:48 UTC View
Mechanicus Alpha (M1) +2.694s
After
Unknown Unknown 0 8c M1 ShortFast 2026-03-27 10:10:48 UTC View
Mechanicus Alpha (M1) +2.837s
After
Unknown Unknown 0 8c M1 ShortTurbo 2026-03-27 10:10:48 UTC View
Mechanicus Alpha (M1) +2.879s
After
Unknown Unknown 0 8c M1 ShortTurbo 2026-03-27 10:10:48 UTC View
Mechanicus Alpha (M1) +3.149s
After
Unknown Unknown 0 8c M1 ShortTurbo 2026-03-27 10:10:49 UTC View
Mechanicus Alpha (M1) +3.546s
After
Unknown Unknown 0 8c M1 ShortTurbo 2026-03-27 10:10:49 UTC View
Mechanicus Alpha (M1) +3.648s
After
Unknown Unknown 0 8c M1 ShortTurbo 2026-03-27 10:10:49 UTC View
Mechanicus Alpha (M1) +4.258s
After
Unknown Unknown 0 8c M1 LongFast 2026-03-27 10:10:50 UTC View
Mechanicus Alpha (M1) +4.469s
After
Unknown Unknown 0 8c M1 ShortTurbo 2026-03-27 10:10:50 UTC View
Mechanicus Alpha (M1) +4.563s
After
Unknown Unknown 0 8c M1 ShortTurbo 2026-03-27 10:10:50 UTC View
Mechanicus Alpha (M1) +4.880s
After
Unknown Unknown 0 8c M1 ShortTurbo 2026-03-27 10:10:50 UTC View
45

Total Receptions

1

Unique Gateways