Packet #18533936 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: 18533936
Mesh Packet ID: 0x21fd1d8b
Used for correlation across gateways
Timestamp: 2026-03-29 02:56:28 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 1774752975
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 1774752988.1463542
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": 570236299, "rx_time": 1774752975, "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": "0d0000d4191500005cd018e70125cf94c86928037800800100b8010d", "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": 1774752975, "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)
0d0000d4191500005cd018e70125cf94c86928037800800100b8010d
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 02:56:28 UTC Current
D_Roc - Hv3 Node 01 (DROC) -0.270s
Before 		Unknown Unknown 0 04 DROC LongFast 2026-03-29 02:56:27 UTC View
D_Roc - Hv3 Node 01 (DROC) -0.238s
Before 		Unknown Unknown 0 04 DROC LongFast 2026-03-29 02:56:27 UTC View
D_Roc - Hv3 Node 01 (DROC) -0.225s
Before 		Unknown Unknown 0 04 DROC LongFast 2026-03-29 02:56:27 UTC View
D_Roc - Hv3 Node 01 (DROC) -0.214s
Before 		Unknown Unknown 0 04 DROC LongFast 2026-03-29 02:56:27 UTC View
D_Roc - Hv3 Node 01 (DROC) -0.201s
Before 		Unknown Unknown 0 04 DROC LongFast 2026-03-29 02:56:27 UTC View
D_Roc - Hv3 Node 01 (DROC) -0.191s
Before 		Unknown Unknown 0 04 DROC LongFast 2026-03-29 02:56:27 UTC View
D_Roc - Hv3 Node 01 (DROC) -0.180s
Before 		Unknown Unknown 0 04 DROC LongFast 2026-03-29 02:56:27 UTC View
D_Roc - Hv3 Node 01 (DROC) -0.169s
Before 		Unknown Unknown 0 04 DROC LongFast 2026-03-29 02:56:27 UTC View
D_Roc - Hv3 Node 01 (DROC) -0.157s
Before 		Unknown Unknown 0 04 DROC LongFast 2026-03-29 02:56:27 UTC View
D_Roc - Hv3 Node 01 (DROC) -0.144s
Before 		Unknown Unknown 0 04 DROC LongFast 2026-03-29 02:56:28 UTC View
D_Roc - Hv3 Node 01 (DROC) -0.132s
Before 		Unknown Unknown 0 04 DROC LongFast 2026-03-29 02:56:28 UTC View
D_Roc - Hv3 Node 01 (DROC) -0.121s
Before 		Unknown Unknown 0 04 DROC MediumFast 2026-03-29 02:56:28 UTC View
D_Roc - Hv3 Node 01 (DROC) -0.110s
Before 		Unknown Unknown 0 04 DROC MediumFast 2026-03-29 02:56:28 UTC View
D_Roc - Hv3 Node 01 (DROC) -0.098s
Before 		Unknown Unknown 0 04 DROC MediumFast 2026-03-29 02:56:28 UTC View
D_Roc - Hv3 Node 01 (DROC) -0.085s
Before 		Unknown Unknown 0 04 DROC MediumFast 2026-03-29 02:56:28 UTC View
D_Roc - Hv3 Node 01 (DROC) -0.073s
Before 		Unknown Unknown 0 04 DROC MediumFast 2026-03-29 02:56:28 UTC View
D_Roc - Hv3 Node 01 (DROC) -0.061s
Before 		Unknown Unknown 0 04 DROC MediumFast 2026-03-29 02:56:28 UTC View
D_Roc - Hv3 Node 01 (DROC) -0.049s
Before 		Unknown Unknown 0 04 DROC MediumFast 2026-03-29 02:56:28 UTC View
D_Roc - Hv3 Node 01 (DROC) -0.037s
Before 		Unknown Unknown 0 04 DROC MediumFast 2026-03-29 02:56:28 UTC View
D_Roc - Hv3 Node 01 (DROC) -0.024s
Before 		Unknown Unknown 0 04 DROC MediumFast 2026-03-29 02:56:28 UTC View
D_Roc - Hv3 Node 01 (DROC) -0.012s
Before 		Unknown Unknown 0 04 DROC MediumFast 2026-03-29 02:56:28 UTC View
D_Roc - Hv3 Node 01 (DROC) +0.011s
After 		Unknown Unknown 0 04 DROC ShortFast 2026-03-29 02:56:28 UTC View
D_Roc - Hv3 Node 01 (DROC) +0.022s
After 		Unknown Unknown 0 04 DROC ShortFast 2026-03-29 02:56:28 UTC View
D_Roc - Hv3 Node 01 (DROC) +0.033s
After 		Unknown Unknown 0 04 DROC ShortFast 2026-03-29 02:56:28 UTC View
D_Roc - Hv3 Node 01 (DROC) +0.044s
After 		Unknown Unknown 0 04 DROC ShortFast 2026-03-29 02:56:28 UTC View
D_Roc - Hv3 Node 01 (DROC) +0.055s
After 		Unknown Unknown 0 04 DROC ShortFast 2026-03-29 02:56:28 UTC View
D_Roc - Hv3 Node 01 (DROC) +0.066s
After 		Unknown Unknown 0 04 DROC ShortFast 2026-03-29 02:56:28 UTC View
D_Roc - Hv3 Node 01 (DROC) +0.077s
After 		Unknown Unknown 0 04 DROC ShortFast 2026-03-29 02:56:28 UTC View
D_Roc - Hv3 Node 01 (DROC) +0.089s
After 		Unknown Unknown 0 04 DROC ShortFast 2026-03-29 02:56:28 UTC View
D_Roc - Hv3 Node 01 (DROC) +0.102s
After 		Unknown Unknown 0 04 DROC ShortFast 2026-03-29 02:56:28 UTC View
D_Roc - Hv3 Node 01 (DROC) +0.114s
After 		Unknown Unknown 0 04 DROC ShortFast 2026-03-29 02:56:28 UTC View
D_Roc - Hv3 Node 01 (DROC) +0.127s
After 		Unknown Unknown 0 04 DROC ShortFast 2026-03-29 02:56:28 UTC View
D_Roc - Hv3 Node 01 (DROC) +0.138s
After 		Unknown Unknown 0 04 DROC ShortTurbo 2026-03-29 02:56:28 UTC View
D_Roc - Hv3 Node 01 (DROC) +0.150s
After 		Unknown Unknown 0 04 DROC ShortTurbo 2026-03-29 02:56:28 UTC View
D_Roc - Hv3 Node 01 (DROC) +0.163s
After 		Unknown Unknown 0 04 DROC ShortTurbo 2026-03-29 02:56:28 UTC View
D_Roc - Hv3 Node 01 (DROC) +0.175s
After 		Unknown Unknown 0 04 DROC ShortTurbo 2026-03-29 02:56:28 UTC View
D_Roc - Hv3 Node 01 (DROC) +0.186s
After 		Unknown Unknown 0 04 DROC ShortTurbo 2026-03-29 02:56:28 UTC View
D_Roc - Hv3 Node 01 (DROC) +0.197s
After 		Unknown Unknown 0 04 DROC ShortTurbo 2026-03-29 02:56:28 UTC View
D_Roc - Hv3 Node 01 (DROC) +0.207s
After 		Unknown Unknown 0 04 DROC ShortTurbo 2026-03-29 02:56:28 UTC View
D_Roc - Hv3 Node 01 (DROC) +0.218s
After 		Unknown Unknown 0 04 DROC ShortTurbo 2026-03-29 02:56:28 UTC View
D_Roc - Hv3 Node 01 (DROC) +0.230s
After 		Unknown Unknown 0 04 DROC ShortTurbo 2026-03-29 02:56:28 UTC View
D_Roc - Hv3 Node 01 (DROC) +0.241s
After 		Unknown Unknown 0 04 DROC ShortTurbo 2026-03-29 02:56:28 UTC View
D_Roc - Hv3 Node 01 (DROC) +0.252s
After 		Unknown Unknown 0 04 DROC ShortTurbo 2026-03-29 02:56:28 UTC View
D_Roc - Hv3 Node 01 (DROC) +0.262s
After 		Unknown Unknown 0 04 DROC LongFast 2026-03-29 02:56:28 UTC View
45

Total Receptions

1

Unique Gateways