Packet #18533929 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: 18533929
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 1774752988.0609012
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
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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
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) -0.185s
Before
Unknown Unknown 0 04 DROC LongFast 2026-03-29 02:56:27 UTC View
D_Roc - Hv3 Node 01 (DROC) -0.153s
Before
Unknown Unknown 0 04 DROC LongFast 2026-03-29 02:56:27 UTC View
D_Roc - Hv3 Node 01 (DROC) -0.140s
Before
Unknown Unknown 0 04 DROC LongFast 2026-03-29 02:56:27 UTC View
D_Roc - Hv3 Node 01 (DROC) -0.128s
Before
Unknown Unknown 0 04 DROC LongFast 2026-03-29 02:56:27 UTC View
D_Roc - Hv3 Node 01 (DROC) -0.116s
Before
Unknown Unknown 0 04 DROC LongFast 2026-03-29 02:56:27 UTC View
D_Roc - Hv3 Node 01 (DROC) -0.105s
Before
Unknown Unknown 0 04 DROC LongFast 2026-03-29 02:56:27 UTC View
D_Roc - Hv3 Node 01 (DROC) -0.094s
Before
Unknown Unknown 0 04 DROC LongFast 2026-03-29 02:56:27 UTC View
D_Roc - Hv3 Node 01 (DROC) -0.084s
Before
Unknown Unknown 0 04 DROC LongFast 2026-03-29 02:56:27 UTC View
D_Roc - Hv3 Node 01 (DROC) -0.072s
Before
Unknown Unknown 0 04 DROC LongFast 2026-03-29 02:56:27 UTC View
D_Roc - Hv3 Node 01 (DROC) -0.058s
Before
Unknown Unknown 0 04 DROC LongFast 2026-03-29 02:56:28 UTC View
D_Roc - Hv3 Node 01 (DROC) -0.046s
Before
Unknown Unknown 0 04 DROC LongFast 2026-03-29 02:56:28 UTC View
D_Roc - Hv3 Node 01 (DROC) -0.035s
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) +0.013s
After
Unknown Unknown 0 04 DROC MediumFast 2026-03-29 02:56:28 UTC View
D_Roc - Hv3 Node 01 (DROC) +0.025s
After
Unknown Unknown 0 04 DROC MediumFast 2026-03-29 02:56:28 UTC View
D_Roc - Hv3 Node 01 (DROC) +0.037s
After
Unknown Unknown 0 04 DROC MediumFast 2026-03-29 02:56:28 UTC View
D_Roc - Hv3 Node 01 (DROC) +0.049s
After
Unknown Unknown 0 04 DROC MediumFast 2026-03-29 02:56:28 UTC View
D_Roc - Hv3 Node 01 (DROC) +0.061s
After
Unknown Unknown 0 04 DROC MediumFast 2026-03-29 02:56:28 UTC View
D_Roc - Hv3 Node 01 (DROC) +0.074s
After
Unknown Unknown 0 04 DROC MediumFast 2026-03-29 02:56:28 UTC View
D_Roc - Hv3 Node 01 (DROC) +0.085s
After
Unknown Unknown 0 04 DROC MediumFast 2026-03-29 02:56:28 UTC View
D_Roc - Hv3 Node 01 (DROC) +0.096s
After
Unknown Unknown 0 04 DROC ShortFast 2026-03-29 02:56:28 UTC View
D_Roc - Hv3 Node 01 (DROC) +0.108s
After
Unknown Unknown 0 04 DROC ShortFast 2026-03-29 02:56:28 UTC View
D_Roc - Hv3 Node 01 (DROC) +0.118s
After
Unknown Unknown 0 04 DROC ShortFast 2026-03-29 02:56:28 UTC View
D_Roc - Hv3 Node 01 (DROC) +0.129s
After
Unknown Unknown 0 04 DROC ShortFast 2026-03-29 02:56:28 UTC View
D_Roc - Hv3 Node 01 (DROC) +0.140s
After
Unknown Unknown 0 04 DROC ShortFast 2026-03-29 02:56:28 UTC View
D_Roc - Hv3 Node 01 (DROC) +0.151s
After
Unknown Unknown 0 04 DROC ShortFast 2026-03-29 02:56:28 UTC View
D_Roc - Hv3 Node 01 (DROC) +0.162s
After
Unknown Unknown 0 04 DROC ShortFast 2026-03-29 02:56:28 UTC View
D_Roc - Hv3 Node 01 (DROC) +0.175s
After
Unknown Unknown 0 04 DROC ShortFast 2026-03-29 02:56:28 UTC View
D_Roc - Hv3 Node 01 (DROC) +0.188s
After
Unknown Unknown 0 04 DROC ShortFast 2026-03-29 02:56:28 UTC View
D_Roc - Hv3 Node 01 (DROC) +0.200s
After
Unknown Unknown 0 04 DROC ShortFast 2026-03-29 02:56:28 UTC View
D_Roc - Hv3 Node 01 (DROC) +0.212s
After
Unknown Unknown 0 04 DROC ShortFast 2026-03-29 02:56:28 UTC View
D_Roc - Hv3 Node 01 (DROC) +0.224s
After
Unknown Unknown 0 04 DROC ShortTurbo 2026-03-29 02:56:28 UTC View
D_Roc - Hv3 Node 01 (DROC) +0.236s
After
Unknown Unknown 0 04 DROC ShortTurbo 2026-03-29 02:56:28 UTC View
D_Roc - Hv3 Node 01 (DROC) +0.248s
After
Unknown Unknown 0 04 DROC ShortTurbo 2026-03-29 02:56:28 UTC View
D_Roc - Hv3 Node 01 (DROC) +0.260s
After
Unknown Unknown 0 04 DROC ShortTurbo 2026-03-29 02:56:28 UTC View
D_Roc - Hv3 Node 01 (DROC) +0.271s
After
Unknown Unknown 0 04 DROC ShortTurbo 2026-03-29 02:56:28 UTC View
D_Roc - Hv3 Node 01 (DROC) +0.282s
After
Unknown Unknown 0 04 DROC ShortTurbo 2026-03-29 02:56:28 UTC View
D_Roc - Hv3 Node 01 (DROC) +0.293s
After
Unknown Unknown 0 04 DROC ShortTurbo 2026-03-29 02:56:28 UTC View
D_Roc - Hv3 Node 01 (DROC) +0.304s
After
Unknown Unknown 0 04 DROC ShortTurbo 2026-03-29 02:56:28 UTC View
D_Roc - Hv3 Node 01 (DROC) +0.315s
After
Unknown Unknown 0 04 DROC ShortTurbo 2026-03-29 02:56:28 UTC View
D_Roc - Hv3 Node 01 (DROC) +0.326s
After
Unknown Unknown 0 04 DROC ShortTurbo 2026-03-29 02:56:28 UTC View
D_Roc - Hv3 Node 01 (DROC) +0.337s
After
Unknown Unknown 0 04 DROC ShortTurbo 2026-03-29 02:56:28 UTC View
D_Roc - Hv3 Node 01 (DROC) +0.348s
After
Unknown Unknown 0 04 DROC LongFast 2026-03-29 02:56:28 UTC View
45

Total Receptions

1

Unique Gateways