Packet #17908354 Success

POSITION_APP packet from Komodo Base (KomB) to !ffffffff

47
Total Receptions
3
Unique Gateways
4
Hop Count
27
Payload Bytes
Packet Information
Database ID: 17908354
Mesh Packet ID: 0xd376f548
Used for correlation across gateways
Timestamp: 2026-03-27 15:05:09 UTC
From Node: Komodo Base (KomB)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: POSITION_APP
Port: 3
Gateway: Meshtastic 4180 (4180)
Channel: LongFast
RSSI: -110 dBm
SNR: -18.5 dBm
Hop Info: 4/4 hops
Start: 4, Limit: 0
Relay Node: 71
Last byte of the last hop that relayed this packet
Payload Data
Protocol: POSITION_APP
Size: 27 bytes
Decoded: Yes
Decoded Data:
Latitude:43.653530°
Longitude:-79.383757°
Altitude:60 m
Precision:15 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:27 bytes
Gateway:!ba664180
Channel:LongFast
Payload Type:POSITION_APP
Hop Count:4 / 4
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 !ba664180
Node ID format
channel_id LongFast
Default public channel
packet MeshPacket (27 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 2733365960
Source node ID
uint32
to 4294967295 (Broadcast)
Visible to all nodes
uint32
decoded.portnum 3
POSITION_APP
enum
decoded.payload_length 27 bytes size
hop_limit Not set uint32
hop_start 4
Initial hop limit
uint32
hops_taken 4
Calculated: hop_start - hop_limit
derived
rx_rssi -110.0 dBm
Signal strength at gateway
int32
rx_snr -18.50 dB
Signal quality at gateway
float
rx_time 1774623908
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 113
Relay node ID
uint32
tx_after Not set uint32
timestamp 1774623909.986044
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
  • ✓ Reduced position precision: ~729.0m accuracy
Exposure Risks:
  • ⚠ Visible to all nodes on channel
  • ⚠ Default channel - no encryption
  • ⚠ Packet visible to MQTT subscribers
  • ⚠ Multi-hop path visible (4 hops)
  • ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !ba664180
Position Precision: 15 bits (~729.0m accuracy)
Position precision meters: 729.0
Signal Metrics: RSSI: -110.0 dBm
SNR: -18.50 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:POSITION_APP
Size:27 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "latitude": 43.6535296, "longitude": -79.3837568, "altitude": 60, "sats_in_view": null, "precision_bits": 15 }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!ba664180", "channel_id": "LongFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 2733365960, "to": 4294967295, "id": 3547788616, "rx_time": 1774623908, "rx_snr": -18.5, "rx_rssi": -110, "hop_limit": 0, "hop_start": 4, "via_mqtt": false, "want_ack": false, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": false, "next_hop": 0, "relay_node": 113, "tx_after": 0, "decoded": { "portnum": 3, "payload": "0d0000051a150000afd0183c25389ac66928017800800100b8010f", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 436535296, "longitude_i": -793837568, "altitude": 60, "time": 1774623288, "location_source": "LOC_MANUAL", "ground_speed": 0, "ground_track": 0, "precision_bits": 15, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }
Raw Packet Data (27 bytes)
0d0000051a150000afd0183c25389ac66928017800800100b8010f
Hex Analysis:
Size:27 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
Meshtastic 4180 (4180) Primary 0.000s
Reference
-110.0 dBm -18.50 dB 4 71 LongFast 2026-03-27 15:05:09 UTC Current
AH001 (0d74) -469.220s
Before
-124.0 dBm -16.25 dB 2 f1 LongFast 2026-03-27 14:57:20 UTC View
Tracer-Mesh-bd1c (bd1c) -469.105s
Before
-120.0 dBm -20.00 dB 2 3c LongFast 2026-03-27 14:57:20 UTC View
Meshtastic 4180 (4180) -0.038s
Before
-110.0 dBm -18.50 dB 4 71 LongFast 2026-03-27 15:05:09 UTC View
Meshtastic 4180 (4180) -0.012s
Before
-110.0 dBm -18.50 dB 4 71 LongFast 2026-03-27 15:05:09 UTC View
Meshtastic 4180 (4180) +0.017s
After
-110.0 dBm -18.50 dB 4 71 LongFast 2026-03-27 15:05:10 UTC View
Meshtastic 4180 (4180) +0.027s
After
-110.0 dBm -18.50 dB 4 71 LongFast 2026-03-27 15:05:10 UTC View
Meshtastic 4180 (4180) +0.044s
After
-110.0 dBm -18.50 dB 4 71 LongFast 2026-03-27 15:05:10 UTC View
Meshtastic 4180 (4180) +0.063s
After
-110.0 dBm -18.50 dB 4 71 LongFast 2026-03-27 15:05:10 UTC View
Meshtastic 4180 (4180) +0.074s
After
-110.0 dBm -18.50 dB 4 71 LongFast 2026-03-27 15:05:10 UTC View
Meshtastic 4180 (4180) +0.085s
After
-110.0 dBm -18.50 dB 4 71 LongFast 2026-03-27 15:05:10 UTC View
Meshtastic 4180 (4180) +0.096s
After
-110.0 dBm -18.50 dB 4 71 LongFast 2026-03-27 15:05:10 UTC View
Meshtastic 4180 (4180) +0.106s
After
-110.0 dBm -18.50 dB 4 71 LongFast 2026-03-27 15:05:10 UTC View
Meshtastic 4180 (4180) +0.117s
After
-110.0 dBm -18.50 dB 4 71 MediumFast 2026-03-27 15:05:10 UTC View
Meshtastic 4180 (4180) +0.127s
After
-110.0 dBm -18.50 dB 4 71 MediumFast 2026-03-27 15:05:10 UTC View
Meshtastic 4180 (4180) +0.138s
After
-110.0 dBm -18.50 dB 4 71 MediumFast 2026-03-27 15:05:10 UTC View
Meshtastic 4180 (4180) +0.150s
After
-110.0 dBm -18.50 dB 4 71 MediumFast 2026-03-27 15:05:10 UTC View
Meshtastic 4180 (4180) +0.162s
After
-110.0 dBm -18.50 dB 4 71 MediumFast 2026-03-27 15:05:10 UTC View
Meshtastic 4180 (4180) +0.174s
After
-110.0 dBm -18.50 dB 4 71 MediumFast 2026-03-27 15:05:10 UTC View
Meshtastic 4180 (4180) +0.186s
After
-110.0 dBm -18.50 dB 4 71 MediumFast 2026-03-27 15:05:10 UTC View
Meshtastic 4180 (4180) +0.198s
After
-110.0 dBm -18.50 dB 4 71 MediumFast 2026-03-27 15:05:10 UTC View
Meshtastic 4180 (4180) +0.210s
After
-110.0 dBm -18.50 dB 4 71 MediumFast 2026-03-27 15:05:10 UTC View
Meshtastic 4180 (4180) +0.222s
After
-110.0 dBm -18.50 dB 4 71 MediumFast 2026-03-27 15:05:10 UTC View
Meshtastic 4180 (4180) +0.234s
After
-110.0 dBm -18.50 dB 4 71 MediumFast 2026-03-27 15:05:10 UTC View
Meshtastic 4180 (4180) +0.245s
After
-110.0 dBm -18.50 dB 4 71 ShortFast 2026-03-27 15:05:10 UTC View
Meshtastic 4180 (4180) +0.256s
After
-110.0 dBm -18.50 dB 4 71 ShortFast 2026-03-27 15:05:10 UTC View
Meshtastic 4180 (4180) +0.267s
After
-110.0 dBm -18.50 dB 4 71 ShortFast 2026-03-27 15:05:10 UTC View
Meshtastic 4180 (4180) +0.279s
After
-110.0 dBm -18.50 dB 4 71 ShortFast 2026-03-27 15:05:10 UTC View
Meshtastic 4180 (4180) +0.290s
After
-110.0 dBm -18.50 dB 4 71 ShortFast 2026-03-27 15:05:10 UTC View
Meshtastic 4180 (4180) +0.304s
After
-110.0 dBm -18.50 dB 4 71 ShortFast 2026-03-27 15:05:10 UTC View
Meshtastic 4180 (4180) +0.316s
After
-110.0 dBm -18.50 dB 4 71 ShortFast 2026-03-27 15:05:10 UTC View
Meshtastic 4180 (4180) +0.327s
After
-110.0 dBm -18.50 dB 4 71 ShortFast 2026-03-27 15:05:10 UTC View
Meshtastic 4180 (4180) +0.338s
After
-110.0 dBm -18.50 dB 4 71 ShortFast 2026-03-27 15:05:10 UTC View
Meshtastic 4180 (4180) +0.349s
After
-110.0 dBm -18.50 dB 4 71 ShortFast 2026-03-27 15:05:10 UTC View
Meshtastic 4180 (4180) +0.360s
After
-110.0 dBm -18.50 dB 4 71 ShortFast 2026-03-27 15:05:10 UTC View
Meshtastic 4180 (4180) +0.375s
After
-110.0 dBm -18.50 dB 4 71 ShortTurbo 2026-03-27 15:05:10 UTC View
Meshtastic 4180 (4180) +0.392s
After
-110.0 dBm -18.50 dB 4 71 ShortTurbo 2026-03-27 15:05:10 UTC View
Meshtastic 4180 (4180) +0.405s
After
-110.0 dBm -18.50 dB 4 71 ShortTurbo 2026-03-27 15:05:10 UTC View
Meshtastic 4180 (4180) +0.417s
After
-110.0 dBm -18.50 dB 4 71 ShortTurbo 2026-03-27 15:05:10 UTC View
Meshtastic 4180 (4180) +0.435s
After
-110.0 dBm -18.50 dB 4 71 ShortTurbo 2026-03-27 15:05:10 UTC View
Meshtastic 4180 (4180) +0.448s
After
-110.0 dBm -18.50 dB 4 71 ShortTurbo 2026-03-27 15:05:10 UTC View
Meshtastic 4180 (4180) +0.462s
After
-110.0 dBm -18.50 dB 4 71 ShortTurbo 2026-03-27 15:05:10 UTC View
Meshtastic 4180 (4180) +0.475s
After
-110.0 dBm -18.50 dB 4 71 ShortTurbo 2026-03-27 15:05:10 UTC View
Meshtastic 4180 (4180) +0.489s
After
-110.0 dBm -18.50 dB 4 71 ShortTurbo 2026-03-27 15:05:10 UTC View
Meshtastic 4180 (4180) +0.502s
After
-110.0 dBm -18.50 dB 4 71 ShortTurbo 2026-03-27 15:05:10 UTC View
Meshtastic 4180 (4180) +0.514s
After
-110.0 dBm -18.50 dB 4 71 ShortTurbo 2026-03-27 15:05:10 UTC View
Meshtastic 4180 (4180) +0.528s
After
-110.0 dBm -18.50 dB 4 71 LongFast 2026-03-27 15:05:10 UTC View
47

Total Receptions

3

Unique Gateways