Packet #18022734 Success

POSITION_APP packet from Kaveman (KMEK) to !ffffffff

47
Total Receptions
3
Unique Gateways
0
Hop Count
36
Payload Bytes
Packet Information
Database ID: 18022734
Mesh Packet ID: 0x171c36c1
Used for correlation across gateways
Timestamp: 2026-03-27 21:54:40 UTC
From Node: Kaveman (KMEK)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: POSITION_APP
Port: 3
Gateway: Mechanicus Dominus (M4)
Channel: MediumFast
RSSI: -23 dBm
SNR: 6.75 dBm
Hop Info: 0/7 hops
Start: 7, Limit: 7
Relay Node: 70 KMEK
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: 36 bytes
Decoded: Yes
Decoded Data:
Latitude:49.922867°
Longitude:-97.149747°
Altitude:28 m
Satellites:5
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:36 bytes
Gateway:!6984d8b8
Channel:MediumFast
Payload Type:POSITION_APP
Hop Count:Unknown / 7
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: MediumFast
+ 2 more...
Exposure Risks:
⚠ Visible to all nodes on channel
⚠ Packet visible to MQTT subscribers
+ 2 more...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !6984d8b8
Node ID format
channel_id MediumFast
packet MeshPacket (36 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 23322480
Source node ID
uint32
to 4294967295 (Broadcast)
Visible to all nodes
uint32
decoded.portnum 3
POSITION_APP
enum
decoded.payload_length 36 bytes size
hop_limit 7
Remaining hops allowed
uint32
hop_start 7
Initial hop limit
uint32
hops_taken 0
Calculated: hop_start - hop_limit
derived
rx_rssi -23.0 dBm
Signal strength at gateway
int32
rx_snr 6.75 dB
Signal quality at gateway
float
rx_time 1774648477
Receive timestamp
fixed32
via_mqtt False
Direct LoRa transmission
bool
want_ack False
No ACK requested
bool
priority Not set enum
delayed Not set enum
channel Not set uint32
pki_encrypted False
Standard encryption
bool
next_hop Not set uint32
relay_node 112
Relay node ID
uint32
tx_after Not set uint32
timestamp 1774648480.9807477
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
  • ✓ Zero-hop: direct from source to MQTT gateway
Exposure Risks:
  • ⚠ Visible to all nodes on channel
  • ⚠ Packet visible to MQTT subscribers
  • ⚠ Full GPS precision shared
  • ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !6984d8b8
Position Precision: 18 bits (~91.0m accuracy)
Position precision meters: 91.0
Zero Hop Policy: Enabled
Direct gateway connection
Signal Metrics: RSSI: -23.0 dBm
SNR: 6.75 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:POSITION_APP
Size:36 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "latitude": 49.9228672, "longitude": -97.1497472, "altitude": 28, "sats_in_view": 5, "precision_bits": 18 }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!6984d8b8", "channel_id": "MediumFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 23322480, "to": 4294967295, "id": 387724993, "rx_time": 1774648477, "rx_snr": 6.75, "rx_rssi": -23, "hop_limit": 7, "hop_start": 7, "via_mqtt": false, "want_ack": false, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": false, "next_hop": 0, "relay_node": 112, "tx_after": 0, "decoded": { "portnum": 3, "payload": "0d00a0c11d15002018c6181c259cfcc669280258ed0378008001c0848d10980105b80112", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 499228672, "longitude_i": -971497472, "altitude": 28, "time": 1774648476, "location_source": "LOC_INTERNAL", "PDOP": 493, "ground_speed": 0, "ground_track": 33768000, "sats_in_view": 5, "precision_bits": 18, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }
Raw Packet Data (36 bytes)
0d00a0c11d15002018c6181c259cfcc669280258ed0378008001c0848d10980105b80112
Hex Analysis:
Size:36 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 Dominus (M4) Primary 0.000s
Reference
-23.0 dBm 6.75 dB 0 70 KMEK MediumFast 2026-03-27 21:54:40 UTC Current
Mechanicus Dominus (M4) -2.801s
Before
-23.0 dBm 6.75 dB 0 70 KMEK LongFast 2026-03-27 21:54:38 UTC View
Mechanicus Dominus (M4) -1.542s
Before
-23.0 dBm 6.75 dB 0 70 KMEK LongFast 2026-03-27 21:54:39 UTC View
Mechanicus Dominus (M4) -1.466s
Before
-23.0 dBm 6.75 dB 0 70 KMEK LongFast 2026-03-27 21:54:39 UTC View
Mechanicus Dominus (M4) -1.446s
Before
-23.0 dBm 6.75 dB 0 70 KMEK LongFast 2026-03-27 21:54:39 UTC View
Mechanicus Dominus (M4) -1.412s
Before
-23.0 dBm 6.75 dB 0 70 KMEK LongFast 2026-03-27 21:54:39 UTC View
Mechanicus Dominus (M4) -1.364s
Before
-23.0 dBm 6.75 dB 0 70 KMEK LongFast 2026-03-27 21:54:39 UTC View
Mechanicus Dominus (M4) -1.340s
Before
-23.0 dBm 6.75 dB 0 70 KMEK LongFast 2026-03-27 21:54:39 UTC View
Mechanicus Dominus (M4) -1.315s
Before
-23.0 dBm 6.75 dB 0 70 KMEK LongFast 2026-03-27 21:54:39 UTC View
Mechanicus Dominus (M4) -1.261s
Before
-23.0 dBm 6.75 dB 0 70 KMEK LongFast 2026-03-27 21:54:39 UTC View
Mechanicus Dominus (M4) -0.107s
Before
-23.0 dBm 6.75 dB 0 70 KMEK LongFast 2026-03-27 21:54:40 UTC View
Mechanicus Dominus (M4) -0.063s
Before
-23.0 dBm 6.75 dB 0 70 KMEK LongFast 2026-03-27 21:54:40 UTC View
Mechanicus Dominus (M4) -0.040s
Before
-23.0 dBm 6.75 dB 0 70 KMEK MediumFast 2026-03-27 21:54:40 UTC View
Mechanicus Dominus (M4) +0.040s
After
-23.0 dBm 6.75 dB 0 70 KMEK MediumFast 2026-03-27 21:54:41 UTC View
Mechanicus Dominus (M4) +0.098s
After
-23.0 dBm 6.75 dB 0 70 KMEK MediumFast 2026-03-27 21:54:41 UTC View
Mechanicus Dominus (M4) +0.140s
After
-23.0 dBm 6.75 dB 0 70 KMEK MediumFast 2026-03-27 21:54:41 UTC View
Mechanicus Dominus (M4) +0.171s
After
-23.0 dBm 6.75 dB 0 70 KMEK MediumFast 2026-03-27 21:54:41 UTC View
Mechanicus Dominus (M4) +0.215s
After
-23.0 dBm 6.75 dB 0 70 KMEK MediumFast 2026-03-27 21:54:41 UTC View
Mechanicus Dominus (M4) +0.967s
After
-23.0 dBm 6.75 dB 0 70 KMEK MediumFast 2026-03-27 21:54:41 UTC View
Mechanicus Dominus (M4) +1.012s
After
-23.0 dBm 6.75 dB 0 70 KMEK MediumFast 2026-03-27 21:54:41 UTC View
Mechanicus Dominus (M4) +1.046s
After
-23.0 dBm 6.75 dB 0 70 KMEK MediumFast 2026-03-27 21:54:42 UTC View
Mechanicus Dominus (M4) +1.067s
After
-23.0 dBm 6.75 dB 0 70 KMEK MediumFast 2026-03-27 21:54:42 UTC View
Mechanicus Dominus (M4) +1.100s
After
-23.0 dBm 6.75 dB 0 70 KMEK ShortFast 2026-03-27 21:54:42 UTC View
Mechanicus Dominus (M4) +1.132s
After
-23.0 dBm 6.75 dB 0 70 KMEK ShortFast 2026-03-27 21:54:42 UTC View
Mechanicus Dominus (M4) +1.159s
After
-23.0 dBm 6.75 dB 0 70 KMEK ShortFast 2026-03-27 21:54:42 UTC View
Mechanicus Dominus (M4) +1.193s
After
-23.0 dBm 6.75 dB 0 70 KMEK ShortFast 2026-03-27 21:54:42 UTC View
Mechanicus Dominus (M4) +1.221s
After
-23.0 dBm 6.75 dB 0 70 KMEK ShortFast 2026-03-27 21:54:42 UTC View
Mechanicus Dominus (M4) +1.245s
After
-23.0 dBm 6.75 dB 0 70 KMEK ShortFast 2026-03-27 21:54:42 UTC View
Mechanicus Dominus (M4) +1.271s
After
-23.0 dBm 6.75 dB 0 70 KMEK ShortFast 2026-03-27 21:54:42 UTC View
Mechanicus Dominus (M4) +2.241s
After
-23.0 dBm 6.75 dB 0 70 KMEK ShortFast 2026-03-27 21:54:43 UTC View
Mechanicus Dominus (M4) +2.274s
After
-23.0 dBm 6.75 dB 0 70 KMEK ShortFast 2026-03-27 21:54:43 UTC View
Mechanicus Dominus (M4) +2.306s
After
-23.0 dBm 6.75 dB 0 70 KMEK ShortFast 2026-03-27 21:54:43 UTC View
Mechanicus Dominus (M4) +2.330s
After
-23.0 dBm 6.75 dB 0 70 KMEK ShortFast 2026-03-27 21:54:43 UTC View
Mechanicus Dominus (M4) +2.355s
After
-23.0 dBm 6.75 dB 0 70 KMEK ShortTurbo 2026-03-27 21:54:43 UTC View
Mechanicus Dominus (M4) +2.406s
After
-23.0 dBm 6.75 dB 0 70 KMEK ShortTurbo 2026-03-27 21:54:43 UTC View
Mechanicus Dominus (M4) +3.400s
After
-23.0 dBm 6.75 dB 0 70 KMEK ShortTurbo 2026-03-27 21:54:44 UTC View
Mechanicus Dominus (M4) +3.428s
After
-23.0 dBm 6.75 dB 0 70 KMEK ShortTurbo 2026-03-27 21:54:44 UTC View
Mechanicus Dominus (M4) +3.445s
After
-23.0 dBm 6.75 dB 0 70 KMEK ShortTurbo 2026-03-27 21:54:44 UTC View
Mechanicus Dominus (M4) +3.479s
After
-23.0 dBm 6.75 dB 0 70 KMEK ShortTurbo 2026-03-27 21:54:44 UTC View
Mechanicus Dominus (M4) +3.499s
After
-23.0 dBm 6.75 dB 0 70 KMEK ShortTurbo 2026-03-27 21:54:44 UTC View
Mechanicus Dominus (M4) +3.517s
After
-23.0 dBm 6.75 dB 0 70 KMEK ShortTurbo 2026-03-27 21:54:44 UTC View
Mechanicus Dominus (M4) +3.539s
After
-23.0 dBm 6.75 dB 0 70 KMEK ShortTurbo 2026-03-27 21:54:44 UTC View
Mechanicus Dominus (M4) +3.596s
After
-23.0 dBm 6.75 dB 0 70 KMEK ShortTurbo 2026-03-27 21:54:44 UTC View
Mechanicus Dominus (M4) +3.615s
After
-23.0 dBm 6.75 dB 0 70 KMEK ShortTurbo 2026-03-27 21:54:44 UTC View
Mechanicus Dominus (M4) +3.638s
After
-23.0 dBm 6.75 dB 0 70 KMEK LongFast 2026-03-27 21:54:44 UTC View
Mechanicus Alpha (M1) +3.660s
After
-45.0 dBm 7.00 dB 0 70 KMEK LongFast 2026-03-27 21:54:44 UTC View
Mechanicus Cadia (M3) +3.686s
After
-39.0 dBm 6.25 dB 0 70 KMEK LongFast 2026-03-27 21:54:44 UTC View
47

Total Receptions

3

Unique Gateways