Packet #17908374 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: 17908374
Mesh Packet ID: 0xd376f548
Used for correlation across gateways
Timestamp: 2026-03-27 15:05:10 UTC
From Node: Komodo Base (KomB)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: POSITION_APP
Port: 3
Gateway: Meshtastic 4180 (4180)
Channel: ShortFast
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:ShortFast
Payload Type:POSITION_APP
Hop Count:4 / 4
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: ShortFast
+ 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 !ba664180
Node ID format
channel_id ShortFast
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 1774623910.231429
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: ShortFast
  • ✓ Gateway node ID tracked
  • ✓ Reduced position precision: ~729.0m accuracy
Exposure Risks:
  • ⚠ Visible to all nodes on channel
  • ⚠ 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": "ShortFast", "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 ShortFast 2026-03-27 15:05:10 UTC Current
AH001 (0d74) -469.466s
Before
-124.0 dBm -16.25 dB 2 f1 LongFast 2026-03-27 14:57:20 UTC View
Tracer-Mesh-bd1c (bd1c) -469.350s
Before
-120.0 dBm -20.00 dB 2 3c LongFast 2026-03-27 14:57:20 UTC View
Meshtastic 4180 (4180) -0.283s
Before
-110.0 dBm -18.50 dB 4 71 LongFast 2026-03-27 15:05:09 UTC View
Meshtastic 4180 (4180) -0.258s
Before
-110.0 dBm -18.50 dB 4 71 LongFast 2026-03-27 15:05:09 UTC View
Meshtastic 4180 (4180) -0.245s
Before
-110.0 dBm -18.50 dB 4 71 LongFast 2026-03-27 15:05:09 UTC View
Meshtastic 4180 (4180) -0.228s
Before
-110.0 dBm -18.50 dB 4 71 LongFast 2026-03-27 15:05:10 UTC View
Meshtastic 4180 (4180) -0.219s
Before
-110.0 dBm -18.50 dB 4 71 LongFast 2026-03-27 15:05:10 UTC View
Meshtastic 4180 (4180) -0.201s
Before
-110.0 dBm -18.50 dB 4 71 LongFast 2026-03-27 15:05:10 UTC View
Meshtastic 4180 (4180) -0.182s
Before
-110.0 dBm -18.50 dB 4 71 LongFast 2026-03-27 15:05:10 UTC View
Meshtastic 4180 (4180) -0.171s
Before
-110.0 dBm -18.50 dB 4 71 LongFast 2026-03-27 15:05:10 UTC View
Meshtastic 4180 (4180) -0.160s
Before
-110.0 dBm -18.50 dB 4 71 LongFast 2026-03-27 15:05:10 UTC View
Meshtastic 4180 (4180) -0.150s
Before
-110.0 dBm -18.50 dB 4 71 LongFast 2026-03-27 15:05:10 UTC View
Meshtastic 4180 (4180) -0.139s
Before
-110.0 dBm -18.50 dB 4 71 LongFast 2026-03-27 15:05:10 UTC View
Meshtastic 4180 (4180) -0.128s
Before
-110.0 dBm -18.50 dB 4 71 MediumFast 2026-03-27 15:05:10 UTC View
Meshtastic 4180 (4180) -0.118s
Before
-110.0 dBm -18.50 dB 4 71 MediumFast 2026-03-27 15:05:10 UTC View
Meshtastic 4180 (4180) -0.108s
Before
-110.0 dBm -18.50 dB 4 71 MediumFast 2026-03-27 15:05:10 UTC View
Meshtastic 4180 (4180) -0.096s
Before
-110.0 dBm -18.50 dB 4 71 MediumFast 2026-03-27 15:05:10 UTC View
Meshtastic 4180 (4180) -0.084s
Before
-110.0 dBm -18.50 dB 4 71 MediumFast 2026-03-27 15:05:10 UTC View
Meshtastic 4180 (4180) -0.072s
Before
-110.0 dBm -18.50 dB 4 71 MediumFast 2026-03-27 15:05:10 UTC View
Meshtastic 4180 (4180) -0.059s
Before
-110.0 dBm -18.50 dB 4 71 MediumFast 2026-03-27 15:05:10 UTC View
Meshtastic 4180 (4180) -0.047s
Before
-110.0 dBm -18.50 dB 4 71 MediumFast 2026-03-27 15:05:10 UTC View
Meshtastic 4180 (4180) -0.035s
Before
-110.0 dBm -18.50 dB 4 71 MediumFast 2026-03-27 15:05:10 UTC View
Meshtastic 4180 (4180) -0.023s
Before
-110.0 dBm -18.50 dB 4 71 MediumFast 2026-03-27 15:05:10 UTC View
Meshtastic 4180 (4180) -0.011s
Before
-110.0 dBm -18.50 dB 4 71 MediumFast 2026-03-27 15:05:10 UTC View
Meshtastic 4180 (4180) +0.011s
After
-110.0 dBm -18.50 dB 4 71 ShortFast 2026-03-27 15:05:10 UTC View
Meshtastic 4180 (4180) +0.022s
After
-110.0 dBm -18.50 dB 4 71 ShortFast 2026-03-27 15:05:10 UTC View
Meshtastic 4180 (4180) +0.033s
After
-110.0 dBm -18.50 dB 4 71 ShortFast 2026-03-27 15:05:10 UTC View
Meshtastic 4180 (4180) +0.044s
After
-110.0 dBm -18.50 dB 4 71 ShortFast 2026-03-27 15:05:10 UTC View
Meshtastic 4180 (4180) +0.059s
After
-110.0 dBm -18.50 dB 4 71 ShortFast 2026-03-27 15:05:10 UTC View
Meshtastic 4180 (4180) +0.071s
After
-110.0 dBm -18.50 dB 4 71 ShortFast 2026-03-27 15:05:10 UTC View
Meshtastic 4180 (4180) +0.082s
After
-110.0 dBm -18.50 dB 4 71 ShortFast 2026-03-27 15:05:10 UTC View
Meshtastic 4180 (4180) +0.093s
After
-110.0 dBm -18.50 dB 4 71 ShortFast 2026-03-27 15:05:10 UTC View
Meshtastic 4180 (4180) +0.104s
After
-110.0 dBm -18.50 dB 4 71 ShortFast 2026-03-27 15:05:10 UTC View
Meshtastic 4180 (4180) +0.115s
After
-110.0 dBm -18.50 dB 4 71 ShortFast 2026-03-27 15:05:10 UTC View
Meshtastic 4180 (4180) +0.129s
After
-110.0 dBm -18.50 dB 4 71 ShortTurbo 2026-03-27 15:05:10 UTC View
Meshtastic 4180 (4180) +0.147s
After
-110.0 dBm -18.50 dB 4 71 ShortTurbo 2026-03-27 15:05:10 UTC View
Meshtastic 4180 (4180) +0.159s
After
-110.0 dBm -18.50 dB 4 71 ShortTurbo 2026-03-27 15:05:10 UTC View
Meshtastic 4180 (4180) +0.171s
After
-110.0 dBm -18.50 dB 4 71 ShortTurbo 2026-03-27 15:05:10 UTC View
Meshtastic 4180 (4180) +0.190s
After
-110.0 dBm -18.50 dB 4 71 ShortTurbo 2026-03-27 15:05:10 UTC View
Meshtastic 4180 (4180) +0.203s
After
-110.0 dBm -18.50 dB 4 71 ShortTurbo 2026-03-27 15:05:10 UTC View
Meshtastic 4180 (4180) +0.216s
After
-110.0 dBm -18.50 dB 4 71 ShortTurbo 2026-03-27 15:05:10 UTC View
Meshtastic 4180 (4180) +0.229s
After
-110.0 dBm -18.50 dB 4 71 ShortTurbo 2026-03-27 15:05:10 UTC View
Meshtastic 4180 (4180) +0.243s
After
-110.0 dBm -18.50 dB 4 71 ShortTurbo 2026-03-27 15:05:10 UTC View
Meshtastic 4180 (4180) +0.257s
After
-110.0 dBm -18.50 dB 4 71 ShortTurbo 2026-03-27 15:05:10 UTC View
Meshtastic 4180 (4180) +0.269s
After
-110.0 dBm -18.50 dB 4 71 ShortTurbo 2026-03-27 15:05:10 UTC View
Meshtastic 4180 (4180) +0.283s
After
-110.0 dBm -18.50 dB 4 71 LongFast 2026-03-27 15:05:10 UTC View
47

Total Receptions

3

Unique Gateways