Packet #18514038 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: 18514038
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: MediumFast
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:MediumFast
Payload Type:POSITION_APP
Hop Count:Unknown / 3
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: MediumFast
+ 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 MediumFast
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 1774748664.4948456
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
  • ✓ 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": "MediumFast", "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 MediumFast 2026-03-29 01:44:24 UTC Current
D_Roc - Hv3 Node 01 (DROC) -0.149s
Before 		Unknown Unknown 0 04 DROC LongFast 2026-03-29 01:44:24 UTC View
D_Roc - Hv3 Node 01 (DROC) -0.115s
Before 		Unknown Unknown 0 04 DROC LongFast 2026-03-29 01:44:24 UTC View
D_Roc - Hv3 Node 01 (DROC) -0.104s
Before 		Unknown Unknown 0 04 DROC LongFast 2026-03-29 01:44:24 UTC View
D_Roc - Hv3 Node 01 (DROC) -0.094s
Before 		Unknown Unknown 0 04 DROC LongFast 2026-03-29 01:44:24 UTC View
D_Roc - Hv3 Node 01 (DROC) -0.082s
Before 		Unknown Unknown 0 04 DROC LongFast 2026-03-29 01:44:24 UTC View
D_Roc - Hv3 Node 01 (DROC) -0.070s
Before 		Unknown Unknown 0 04 DROC LongFast 2026-03-29 01:44:24 UTC View
D_Roc - Hv3 Node 01 (DROC) -0.058s
Before 		Unknown Unknown 0 04 DROC LongFast 2026-03-29 01:44:24 UTC View
D_Roc - Hv3 Node 01 (DROC) -0.046s
Before 		Unknown Unknown 0 04 DROC LongFast 2026-03-29 01:44:24 UTC View
D_Roc - Hv3 Node 01 (DROC) -0.034s
Before 		Unknown Unknown 0 04 DROC LongFast 2026-03-29 01:44:24 UTC View
D_Roc - Hv3 Node 01 (DROC) -0.023s
Before 		Unknown Unknown 0 04 DROC LongFast 2026-03-29 01:44:24 UTC View
D_Roc - Hv3 Node 01 (DROC) -0.012s
Before 		Unknown Unknown 0 04 DROC LongFast 2026-03-29 01:44:24 UTC View
D_Roc - Hv3 Node 01 (DROC) +0.010s
After 		Unknown Unknown 0 04 DROC MediumFast 2026-03-29 01:44:24 UTC View
D_Roc - Hv3 Node 01 (DROC) +0.021s
After 		Unknown Unknown 0 04 DROC MediumFast 2026-03-29 01:44:24 UTC View
D_Roc - Hv3 Node 01 (DROC) +0.032s
After 		Unknown Unknown 0 04 DROC MediumFast 2026-03-29 01:44:24 UTC View
D_Roc - Hv3 Node 01 (DROC) +0.043s
After 		Unknown Unknown 0 04 DROC MediumFast 2026-03-29 01:44:24 UTC View
D_Roc - Hv3 Node 01 (DROC) +0.053s
After 		Unknown Unknown 0 04 DROC MediumFast 2026-03-29 01:44:24 UTC View
D_Roc - Hv3 Node 01 (DROC) +0.064s
After 		Unknown Unknown 0 04 DROC MediumFast 2026-03-29 01:44:24 UTC View
D_Roc - Hv3 Node 01 (DROC) +0.074s
After 		Unknown Unknown 0 04 DROC MediumFast 2026-03-29 01:44:24 UTC View
D_Roc - Hv3 Node 01 (DROC) +0.085s
After 		Unknown Unknown 0 04 DROC MediumFast 2026-03-29 01:44:24 UTC View
D_Roc - Hv3 Node 01 (DROC) +0.096s
After 		Unknown Unknown 0 04 DROC MediumFast 2026-03-29 01:44:24 UTC View
D_Roc - Hv3 Node 01 (DROC) +0.108s
After 		Unknown Unknown 0 04 DROC MediumFast 2026-03-29 01:44:24 UTC View
D_Roc - Hv3 Node 01 (DROC) +0.120s
After 		Unknown Unknown 0 04 DROC ShortFast 2026-03-29 01:44:24 UTC View
D_Roc - Hv3 Node 01 (DROC) +0.132s
After 		Unknown Unknown 0 04 DROC ShortFast 2026-03-29 01:44:24 UTC View
D_Roc - Hv3 Node 01 (DROC) +0.144s
After 		Unknown Unknown 0 04 DROC ShortFast 2026-03-29 01:44:24 UTC View
D_Roc - Hv3 Node 01 (DROC) +0.155s
After 		Unknown Unknown 0 04 DROC ShortFast 2026-03-29 01:44:24 UTC View
D_Roc - Hv3 Node 01 (DROC) +0.167s
After 		Unknown Unknown 0 04 DROC ShortFast 2026-03-29 01:44:24 UTC View
D_Roc - Hv3 Node 01 (DROC) +0.178s
After 		Unknown Unknown 0 04 DROC ShortFast 2026-03-29 01:44:24 UTC View
D_Roc - Hv3 Node 01 (DROC) +0.188s
After 		Unknown Unknown 0 04 DROC ShortFast 2026-03-29 01:44:24 UTC View
D_Roc - Hv3 Node 01 (DROC) +0.202s
After 		Unknown Unknown 0 04 DROC ShortFast 2026-03-29 01:44:24 UTC View
D_Roc - Hv3 Node 01 (DROC) +0.213s
After 		Unknown Unknown 0 04 DROC ShortFast 2026-03-29 01:44:24 UTC View
D_Roc - Hv3 Node 01 (DROC) +0.224s
After 		Unknown Unknown 0 04 DROC ShortFast 2026-03-29 01:44:24 UTC View
D_Roc - Hv3 Node 01 (DROC) +0.234s
After 		Unknown Unknown 0 04 DROC ShortFast 2026-03-29 01:44:24 UTC View
D_Roc - Hv3 Node 01 (DROC) +0.245s
After 		Unknown Unknown 0 04 DROC ShortTurbo 2026-03-29 01:44:24 UTC View
D_Roc - Hv3 Node 01 (DROC) +0.256s
After 		Unknown Unknown 0 04 DROC ShortTurbo 2026-03-29 01:44:24 UTC View
D_Roc - Hv3 Node 01 (DROC) +0.266s
After 		Unknown Unknown 0 04 DROC ShortTurbo 2026-03-29 01:44:24 UTC View
D_Roc - Hv3 Node 01 (DROC) +0.278s
After 		Unknown Unknown 0 04 DROC ShortTurbo 2026-03-29 01:44:24 UTC View
D_Roc - Hv3 Node 01 (DROC) +0.290s
After 		Unknown Unknown 0 04 DROC ShortTurbo 2026-03-29 01:44:24 UTC View
D_Roc - Hv3 Node 01 (DROC) +0.302s
After 		Unknown Unknown 0 04 DROC ShortTurbo 2026-03-29 01:44:24 UTC View
D_Roc - Hv3 Node 01 (DROC) +0.314s
After 		Unknown Unknown 0 04 DROC ShortTurbo 2026-03-29 01:44:24 UTC View
D_Roc - Hv3 Node 01 (DROC) +0.338s
After 		Unknown Unknown 0 04 DROC ShortTurbo 2026-03-29 01:44:24 UTC View
D_Roc - Hv3 Node 01 (DROC) +0.350s
After 		Unknown Unknown 0 04 DROC ShortTurbo 2026-03-29 01:44:24 UTC View
D_Roc - Hv3 Node 01 (DROC) +0.362s
After 		Unknown Unknown 0 04 DROC ShortTurbo 2026-03-29 01:44:24 UTC View
D_Roc - Hv3 Node 01 (DROC) +0.375s
After 		Unknown Unknown 0 04 DROC ShortTurbo 2026-03-29 01:44:24 UTC View
D_Roc - Hv3 Node 01 (DROC) +0.386s
After 		Unknown Unknown 0 04 DROC LongFast 2026-03-29 01:44:24 UTC View
45

Total Receptions

1

Unique Gateways