Packet #18514054 Success

POSITION_APP packet from D_Roc - Hv3 Node 01 (DROC) to !ffffffff

45
Total Receptions
1
Unique Gateways
0
Hop Count
28
Payload Bytes
Packet Information
Database ID: 18514054
Mesh Packet ID: 0x6e980531
Used for correlation across gateways
Timestamp: 2026-03-29 01:44:24 UTC
From Node: D_Roc - Hv3 Node 01 (DROC)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: POSITION_APP
Port: 3
Gateway: D_Roc - Hv3 Node 01 (DROC)
Channel: ShortFast
RSSI: Unknown
SNR: Unknown
Hop Info: 0/3 hops
Start: 3, Limit: 3
Relay Node: 04 DROC
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:43.332403°
Longitude:-79.927706°
Altitude:231 m
Precision:13 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:!849ba804
Channel:ShortFast
Payload Type:POSITION_APP
Hop Count:Unknown / 3
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: ShortFast
+ 3 more...
Exposure Risks:
⚠ Visible to all nodes on channel
⚠ Packet visible to MQTT subscribers
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !849ba804
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 2224793604
Source node ID 		uint32
to 4294967295 (Broadcast)
Visible to all nodes 		uint32
decoded.portnum 3
POSITION_APP 		enum
decoded.payload_length 28 bytes size
hop_limit 3
Remaining hops allowed 		uint32
hop_start 3
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 1774748651
Receive timestamp 		fixed32
via_mqtt False
Direct LoRa transmission 		bool
want_ack False
No ACK requested 		bool
priority 10
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 4
Relay node ID 		uint32
tx_after Not set uint32
timestamp 1774748664.672745
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: ~2900.0m accuracy
  • ✓ Zero-hop: direct from source to MQTT gateway
Exposure Risks:
  • ⚠ Visible to all nodes on channel
  • ⚠ Packet visible to MQTT subscribers
MQTT-Specific Fields
Gateway ID: !849ba804
Position Precision: 13 bits (~2900.0m accuracy)
Position precision meters: 2900.0
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": 43.3324032, "longitude": -79.9277056, "altitude": 231, "sats_in_view": null, "precision_bits": 13 }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!849ba804", "channel_id": "ShortFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 2224793604, "to": 4294967295, "id": 1855456561, "rx_time": 1774748651, "rx_snr": 0.0, "rx_rssi": 0, "hop_limit": 3, "hop_start": 3, "via_mqtt": false, "want_ack": false, "priority": 10, "delayed": 0, "channel_index": null, "pki_encrypted": false, "next_hop": 0, "relay_node": 4, "tx_after": 0, "decoded": { "portnum": 3, "payload": "0d0000d4191500005cd018e70125eb83c86928037800800100b8010d", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 433324032, "longitude_i": -799277056, "altitude": 231, "time": 1774748651, "location_source": "LOC_EXTERNAL", "ground_speed": 0, "ground_track": 0, "precision_bits": 13, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }
Raw Packet Data (28 bytes)
0d0000d4191500005cd018e70125eb83c86928037800800100b8010d
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

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
D_Roc - Hv3 Node 01 (DROC) Primary 0.000s
Reference 		Unknown Unknown 0 04 DROC ShortFast 2026-03-29 01:44:24 UTC Current
D_Roc - Hv3 Node 01 (DROC) -0.327s
Before 		Unknown Unknown 0 04 DROC LongFast 2026-03-29 01:44:24 UTC View
D_Roc - Hv3 Node 01 (DROC) -0.293s
Before 		Unknown Unknown 0 04 DROC LongFast 2026-03-29 01:44:24 UTC View
D_Roc - Hv3 Node 01 (DROC) -0.282s
Before 		Unknown Unknown 0 04 DROC LongFast 2026-03-29 01:44:24 UTC View
D_Roc - Hv3 Node 01 (DROC) -0.272s
Before 		Unknown Unknown 0 04 DROC LongFast 2026-03-29 01:44:24 UTC View
D_Roc - Hv3 Node 01 (DROC) -0.260s
Before 		Unknown Unknown 0 04 DROC LongFast 2026-03-29 01:44:24 UTC View
D_Roc - Hv3 Node 01 (DROC) -0.248s
Before 		Unknown Unknown 0 04 DROC LongFast 2026-03-29 01:44:24 UTC View
D_Roc - Hv3 Node 01 (DROC) -0.236s
Before 		Unknown Unknown 0 04 DROC LongFast 2026-03-29 01:44:24 UTC View
D_Roc - Hv3 Node 01 (DROC) -0.224s
Before 		Unknown Unknown 0 04 DROC LongFast 2026-03-29 01:44:24 UTC View
D_Roc - Hv3 Node 01 (DROC) -0.212s
Before 		Unknown Unknown 0 04 DROC LongFast 2026-03-29 01:44:24 UTC View
D_Roc - Hv3 Node 01 (DROC) -0.201s
Before 		Unknown Unknown 0 04 DROC LongFast 2026-03-29 01:44:24 UTC View
D_Roc - Hv3 Node 01 (DROC) -0.189s
Before 		Unknown Unknown 0 04 DROC LongFast 2026-03-29 01:44:24 UTC View
D_Roc - Hv3 Node 01 (DROC) -0.178s
Before 		Unknown Unknown 0 04 DROC MediumFast 2026-03-29 01:44:24 UTC View
D_Roc - Hv3 Node 01 (DROC) -0.168s
Before 		Unknown Unknown 0 04 DROC MediumFast 2026-03-29 01:44:24 UTC View
D_Roc - Hv3 Node 01 (DROC) -0.157s
Before 		Unknown Unknown 0 04 DROC MediumFast 2026-03-29 01:44:24 UTC View
D_Roc - Hv3 Node 01 (DROC) -0.146s
Before 		Unknown Unknown 0 04 DROC MediumFast 2026-03-29 01:44:24 UTC View
D_Roc - Hv3 Node 01 (DROC) -0.135s
Before 		Unknown Unknown 0 04 DROC MediumFast 2026-03-29 01:44:24 UTC View
D_Roc - Hv3 Node 01 (DROC) -0.125s
Before 		Unknown Unknown 0 04 DROC MediumFast 2026-03-29 01:44:24 UTC View
D_Roc - Hv3 Node 01 (DROC) -0.114s
Before 		Unknown Unknown 0 04 DROC MediumFast 2026-03-29 01:44:24 UTC View
D_Roc - Hv3 Node 01 (DROC) -0.103s
Before 		Unknown Unknown 0 04 DROC MediumFast 2026-03-29 01:44:24 UTC View
D_Roc - Hv3 Node 01 (DROC) -0.093s
Before 		Unknown Unknown 0 04 DROC MediumFast 2026-03-29 01:44:24 UTC View
D_Roc - Hv3 Node 01 (DROC) -0.081s
Before 		Unknown Unknown 0 04 DROC MediumFast 2026-03-29 01:44:24 UTC View
D_Roc - Hv3 Node 01 (DROC) -0.069s
Before 		Unknown Unknown 0 04 DROC MediumFast 2026-03-29 01:44:24 UTC View
D_Roc - Hv3 Node 01 (DROC) -0.058s
Before 		Unknown Unknown 0 04 DROC ShortFast 2026-03-29 01:44:24 UTC View
D_Roc - Hv3 Node 01 (DROC) -0.046s
Before 		Unknown Unknown 0 04 DROC ShortFast 2026-03-29 01:44:24 UTC View
D_Roc - Hv3 Node 01 (DROC) -0.034s
Before 		Unknown Unknown 0 04 DROC ShortFast 2026-03-29 01:44:24 UTC View
D_Roc - Hv3 Node 01 (DROC) -0.023s
Before 		Unknown Unknown 0 04 DROC ShortFast 2026-03-29 01:44:24 UTC View
D_Roc - Hv3 Node 01 (DROC) -0.011s
Before 		Unknown Unknown 0 04 DROC ShortFast 2026-03-29 01:44:24 UTC View
D_Roc - Hv3 Node 01 (DROC) +0.010s
After 		Unknown Unknown 0 04 DROC ShortFast 2026-03-29 01:44:24 UTC View
D_Roc - Hv3 Node 01 (DROC) +0.024s
After 		Unknown Unknown 0 04 DROC ShortFast 2026-03-29 01:44:24 UTC View
D_Roc - Hv3 Node 01 (DROC) +0.035s
After 		Unknown Unknown 0 04 DROC ShortFast 2026-03-29 01:44:24 UTC View
D_Roc - Hv3 Node 01 (DROC) +0.046s
After 		Unknown Unknown 0 04 DROC ShortFast 2026-03-29 01:44:24 UTC View
D_Roc - Hv3 Node 01 (DROC) +0.056s
After 		Unknown Unknown 0 04 DROC ShortFast 2026-03-29 01:44:24 UTC View
D_Roc - Hv3 Node 01 (DROC) +0.067s
After 		Unknown Unknown 0 04 DROC ShortTurbo 2026-03-29 01:44:24 UTC View
D_Roc - Hv3 Node 01 (DROC) +0.078s
After 		Unknown Unknown 0 04 DROC ShortTurbo 2026-03-29 01:44:24 UTC View
D_Roc - Hv3 Node 01 (DROC) +0.089s
After 		Unknown Unknown 0 04 DROC ShortTurbo 2026-03-29 01:44:24 UTC View
D_Roc - Hv3 Node 01 (DROC) +0.100s
After 		Unknown Unknown 0 04 DROC ShortTurbo 2026-03-29 01:44:24 UTC View
D_Roc - Hv3 Node 01 (DROC) +0.112s
After 		Unknown Unknown 0 04 DROC ShortTurbo 2026-03-29 01:44:24 UTC View
D_Roc - Hv3 Node 01 (DROC) +0.124s
After 		Unknown Unknown 0 04 DROC ShortTurbo 2026-03-29 01:44:24 UTC View
D_Roc - Hv3 Node 01 (DROC) +0.136s
After 		Unknown Unknown 0 04 DROC ShortTurbo 2026-03-29 01:44:24 UTC View
D_Roc - Hv3 Node 01 (DROC) +0.160s
After 		Unknown Unknown 0 04 DROC ShortTurbo 2026-03-29 01:44:24 UTC View
D_Roc - Hv3 Node 01 (DROC) +0.172s
After 		Unknown Unknown 0 04 DROC ShortTurbo 2026-03-29 01:44:24 UTC View
D_Roc - Hv3 Node 01 (DROC) +0.184s
After 		Unknown Unknown 0 04 DROC ShortTurbo 2026-03-29 01:44:24 UTC View
D_Roc - Hv3 Node 01 (DROC) +0.197s
After 		Unknown Unknown 0 04 DROC ShortTurbo 2026-03-29 01:44:24 UTC View
D_Roc - Hv3 Node 01 (DROC) +0.208s
After 		Unknown Unknown 0 04 DROC LongFast 2026-03-29 01:44:24 UTC View
45

Total Receptions

1

Unique Gateways