Packet #18022724 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: 18022724
Mesh Packet ID: 0x171c36c1
Used for correlation across gateways
Timestamp: 2026-03-27 21:54:39 UTC
From Node: Kaveman (KMEK)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: POSITION_APP
Port: 3
Gateway: Mechanicus Dominus (M4)
Channel: LongFast
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:LongFast
Payload Type:POSITION_APP
Hop Count:Unknown / 7
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Gateway node ID tracked
+ 1 more...
Exposure Risks:
⚠ Visible to all nodes on channel
⚠ Default channel - no encryption
+ 3 more...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !6984d8b8
Node ID format
channel_id LongFast
Default public channel
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 1774648479.5147443
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)
  • ✓ Gateway node ID tracked
  • ✓ Zero-hop: direct from source to MQTT gateway
Exposure Risks:
  • ⚠ Visible to all nodes on channel
  • ⚠ Default channel - no encryption
  • ⚠ 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": "LongFast", "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
Loading...

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 LongFast 2026-03-27 21:54:39 UTC Current
Mechanicus Dominus (M4) -1.335s
Before
-23.0 dBm 6.75 dB 0 70 KMEK LongFast 2026-03-27 21:54:38 UTC View
Mechanicus Dominus (M4) -0.076s
Before
-23.0 dBm 6.75 dB 0 70 KMEK LongFast 2026-03-27 21:54:39 UTC View
Mechanicus Dominus (M4) +0.020s
After
-23.0 dBm 6.75 dB 0 70 KMEK LongFast 2026-03-27 21:54:39 UTC View
Mechanicus Dominus (M4) +0.054s
After
-23.0 dBm 6.75 dB 0 70 KMEK LongFast 2026-03-27 21:54:39 UTC View
Mechanicus Dominus (M4) +0.102s
After
-23.0 dBm 6.75 dB 0 70 KMEK LongFast 2026-03-27 21:54:39 UTC View
Mechanicus Dominus (M4) +0.126s
After
-23.0 dBm 6.75 dB 0 70 KMEK LongFast 2026-03-27 21:54:39 UTC View
Mechanicus Dominus (M4) +0.151s
After
-23.0 dBm 6.75 dB 0 70 KMEK LongFast 2026-03-27 21:54:39 UTC View
Mechanicus Dominus (M4) +0.205s
After
-23.0 dBm 6.75 dB 0 70 KMEK LongFast 2026-03-27 21:54:39 UTC View
Mechanicus Dominus (M4) +1.359s
After
-23.0 dBm 6.75 dB 0 70 KMEK LongFast 2026-03-27 21:54:40 UTC View
Mechanicus Dominus (M4) +1.403s
After
-23.0 dBm 6.75 dB 0 70 KMEK LongFast 2026-03-27 21:54:40 UTC View
Mechanicus Dominus (M4) +1.426s
After
-23.0 dBm 6.75 dB 0 70 KMEK MediumFast 2026-03-27 21:54:40 UTC View
Mechanicus Dominus (M4) +1.466s
After
-23.0 dBm 6.75 dB 0 70 KMEK MediumFast 2026-03-27 21:54:40 UTC View
Mechanicus Dominus (M4) +1.506s
After
-23.0 dBm 6.75 dB 0 70 KMEK MediumFast 2026-03-27 21:54:41 UTC View
Mechanicus Dominus (M4) +1.564s
After
-23.0 dBm 6.75 dB 0 70 KMEK MediumFast 2026-03-27 21:54:41 UTC View
Mechanicus Dominus (M4) +1.606s
After
-23.0 dBm 6.75 dB 0 70 KMEK MediumFast 2026-03-27 21:54:41 UTC View
Mechanicus Dominus (M4) +1.637s
After
-23.0 dBm 6.75 dB 0 70 KMEK MediumFast 2026-03-27 21:54:41 UTC View
Mechanicus Dominus (M4) +1.681s
After
-23.0 dBm 6.75 dB 0 70 KMEK MediumFast 2026-03-27 21:54:41 UTC View
Mechanicus Dominus (M4) +2.433s
After
-23.0 dBm 6.75 dB 0 70 KMEK MediumFast 2026-03-27 21:54:41 UTC View
Mechanicus Dominus (M4) +2.478s
After
-23.0 dBm 6.75 dB 0 70 KMEK MediumFast 2026-03-27 21:54:41 UTC View
Mechanicus Dominus (M4) +2.512s
After
-23.0 dBm 6.75 dB 0 70 KMEK MediumFast 2026-03-27 21:54:42 UTC View
Mechanicus Dominus (M4) +2.533s
After
-23.0 dBm 6.75 dB 0 70 KMEK MediumFast 2026-03-27 21:54:42 UTC View
Mechanicus Dominus (M4) +2.566s
After
-23.0 dBm 6.75 dB 0 70 KMEK ShortFast 2026-03-27 21:54:42 UTC View
Mechanicus Dominus (M4) +2.598s
After
-23.0 dBm 6.75 dB 0 70 KMEK ShortFast 2026-03-27 21:54:42 UTC View
Mechanicus Dominus (M4) +2.625s
After
-23.0 dBm 6.75 dB 0 70 KMEK ShortFast 2026-03-27 21:54:42 UTC View
Mechanicus Dominus (M4) +2.659s
After
-23.0 dBm 6.75 dB 0 70 KMEK ShortFast 2026-03-27 21:54:42 UTC View
Mechanicus Dominus (M4) +2.687s
After
-23.0 dBm 6.75 dB 0 70 KMEK ShortFast 2026-03-27 21:54:42 UTC View
Mechanicus Dominus (M4) +2.711s
After
-23.0 dBm 6.75 dB 0 70 KMEK ShortFast 2026-03-27 21:54:42 UTC View
Mechanicus Dominus (M4) +2.737s
After
-23.0 dBm 6.75 dB 0 70 KMEK ShortFast 2026-03-27 21:54:42 UTC View
Mechanicus Dominus (M4) +3.707s
After
-23.0 dBm 6.75 dB 0 70 KMEK ShortFast 2026-03-27 21:54:43 UTC View
Mechanicus Dominus (M4) +3.740s
After
-23.0 dBm 6.75 dB 0 70 KMEK ShortFast 2026-03-27 21:54:43 UTC View
Mechanicus Dominus (M4) +3.772s
After
-23.0 dBm 6.75 dB 0 70 KMEK ShortFast 2026-03-27 21:54:43 UTC View
Mechanicus Dominus (M4) +3.796s
After
-23.0 dBm 6.75 dB 0 70 KMEK ShortFast 2026-03-27 21:54:43 UTC View
Mechanicus Dominus (M4) +3.821s
After
-23.0 dBm 6.75 dB 0 70 KMEK ShortTurbo 2026-03-27 21:54:43 UTC View
Mechanicus Dominus (M4) +3.872s
After
-23.0 dBm 6.75 dB 0 70 KMEK ShortTurbo 2026-03-27 21:54:43 UTC View
Mechanicus Dominus (M4) +4.866s
After
-23.0 dBm 6.75 dB 0 70 KMEK ShortTurbo 2026-03-27 21:54:44 UTC View
Mechanicus Dominus (M4) +4.894s
After
-23.0 dBm 6.75 dB 0 70 KMEK ShortTurbo 2026-03-27 21:54:44 UTC View
Mechanicus Dominus (M4) +4.911s
After
-23.0 dBm 6.75 dB 0 70 KMEK ShortTurbo 2026-03-27 21:54:44 UTC View
Mechanicus Dominus (M4) +4.945s
After
-23.0 dBm 6.75 dB 0 70 KMEK ShortTurbo 2026-03-27 21:54:44 UTC View
Mechanicus Dominus (M4) +4.965s
After
-23.0 dBm 6.75 dB 0 70 KMEK ShortTurbo 2026-03-27 21:54:44 UTC View
Mechanicus Dominus (M4) +4.983s
After
-23.0 dBm 6.75 dB 0 70 KMEK ShortTurbo 2026-03-27 21:54:44 UTC View
Mechanicus Dominus (M4) +5.005s
After
-23.0 dBm 6.75 dB 0 70 KMEK ShortTurbo 2026-03-27 21:54:44 UTC View
Mechanicus Dominus (M4) +5.062s
After
-23.0 dBm 6.75 dB 0 70 KMEK ShortTurbo 2026-03-27 21:54:44 UTC View
Mechanicus Dominus (M4) +5.081s
After
-23.0 dBm 6.75 dB 0 70 KMEK ShortTurbo 2026-03-27 21:54:44 UTC View
Mechanicus Dominus (M4) +5.104s
After
-23.0 dBm 6.75 dB 0 70 KMEK LongFast 2026-03-27 21:54:44 UTC View
Mechanicus Alpha (M1) +5.126s
After
-45.0 dBm 7.00 dB 0 70 KMEK LongFast 2026-03-27 21:54:44 UTC View
Mechanicus Cadia (M3) +5.152s
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