Packet #17795013 Success

POSITION_APP packet from Frankenjoyment 1 (dcc9) to !ffffffff

45
Total Receptions
1
Unique Gateways
0
Hop Count
34
Payload Bytes
Packet Information
Database ID: 17795013
Mesh Packet ID: 0x3a21c2ae
Used for correlation across gateways
Timestamp: 2026-03-27 09:34:22 UTC
From Node: Frankenjoyment 1 (dcc9)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: POSITION_APP
Port: 3
Gateway: VE3WNP-11 (TGWN)
Channel: MediumFast
RSSI: -121 dBm
SNR: -12.0 dBm
Hop Info: 0/5 hops
Start: 5, Limit: 5
Relay Node: c9 dcc9
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: 34 bytes
Decoded: Yes
Decoded Data:
Latitude:43.332403°
Longitude:-80.347136°
Altitude:342 m
Satellites:8
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:34 bytes
Gateway:!da548450
Channel:MediumFast
Payload Type:POSITION_APP
Hop Count:Unknown / 5
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
+ 1 more...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !da548450
Node ID format
channel_id MediumFast
packet MeshPacket (34 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 3997228233
Source node ID
uint32
to 4294967295 (Broadcast)
Visible to all nodes
uint32
decoded.portnum 3
POSITION_APP
enum
decoded.payload_length 34 bytes size
hop_limit 5
Remaining hops allowed
uint32
hop_start 5
Initial hop limit
uint32
hops_taken 0
Calculated: hop_start - hop_limit
derived
rx_rssi -121.0 dBm
Signal strength at gateway
int32
rx_snr -12.00 dB
Signal quality at gateway
float
rx_time 1774603035
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 201
Relay node ID
uint32
tx_after Not set uint32
timestamp 1774604062.653812
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
  • ⚠ RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !da548450
Position Precision: 13 bits (~2900.0m accuracy)
Position precision meters: 2900.0
Zero Hop Policy: Enabled
Direct gateway connection
Signal Metrics: RSSI: -121.0 dBm
SNR: -12.00 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:POSITION_APP
Size:34 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "latitude": 43.3324032, "longitude": -80.347136, "altitude": 342, "sats_in_view": 8, "precision_bits": 13 }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!da548450", "channel_id": "MediumFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 3997228233, "to": 4294967295, "id": 975291054, "rx_time": 1774603035, "rx_snr": -12.0, "rx_rssi": -121, "hop_limit": 5, "hop_start": 5, "via_mqtt": false, "want_ack": false, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": false, "next_hop": 0, "relay_node": 201, "tx_after": 0, "decoded": { "portnum": 3, "payload": "0d0000d4191500001cd018d602252a4bc669280258d3017801800100980108b8010d", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 433324032, "longitude_i": -803471360, "altitude": 342, "time": 1774603050, "location_source": "LOC_INTERNAL", "PDOP": 211, "ground_speed": 1, "ground_track": 0, "sats_in_view": 8, "precision_bits": 13, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }
Raw Packet Data (34 bytes)
0d0000d4191500001cd018d602252a4bc669280258d3017801800100980108b8010d
Hex Analysis:
Size:34 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
VE3WNP-11 (TGWN) Primary 0.000s
Reference
-121.0 dBm -12.00 dB 0 c9 dcc9 MediumFast 2026-03-27 09:34:22 UTC Current
VE3WNP-11 (TGWN) -0.358s
Before
-121.0 dBm -12.00 dB 0 c9 dcc9 LongFast 2026-03-27 09:34:22 UTC View
VE3WNP-11 (TGWN) -0.333s
Before
-121.0 dBm -12.00 dB 0 c9 dcc9 LongFast 2026-03-27 09:34:22 UTC View
VE3WNP-11 (TGWN) -0.318s
Before
-121.0 dBm -12.00 dB 0 c9 dcc9 LongFast 2026-03-27 09:34:22 UTC View
VE3WNP-11 (TGWN) -0.296s
Before
-121.0 dBm -12.00 dB 0 c9 dcc9 LongFast 2026-03-27 09:34:22 UTC View
VE3WNP-11 (TGWN) -0.271s
Before
-121.0 dBm -12.00 dB 0 c9 dcc9 LongFast 2026-03-27 09:34:22 UTC View
VE3WNP-11 (TGWN) -0.246s
Before
-121.0 dBm -12.00 dB 0 c9 dcc9 LongFast 2026-03-27 09:34:22 UTC View
VE3WNP-11 (TGWN) -0.233s
Before
-121.0 dBm -12.00 dB 0 c9 dcc9 LongFast 2026-03-27 09:34:22 UTC View
VE3WNP-11 (TGWN) -0.220s
Before
-121.0 dBm -12.00 dB 0 c9 dcc9 LongFast 2026-03-27 09:34:22 UTC View
VE3WNP-11 (TGWN) -0.207s
Before
-121.0 dBm -12.00 dB 0 c9 dcc9 LongFast 2026-03-27 09:34:22 UTC View
VE3WNP-11 (TGWN) -0.194s
Before
-121.0 dBm -12.00 dB 0 c9 dcc9 LongFast 2026-03-27 09:34:22 UTC View
VE3WNP-11 (TGWN) -0.182s
Before
-121.0 dBm -12.00 dB 0 c9 dcc9 LongFast 2026-03-27 09:34:22 UTC View
VE3WNP-11 (TGWN) -0.170s
Before
-121.0 dBm -12.00 dB 0 c9 dcc9 MediumFast 2026-03-27 09:34:22 UTC View
VE3WNP-11 (TGWN) -0.156s
Before
-121.0 dBm -12.00 dB 0 c9 dcc9 MediumFast 2026-03-27 09:34:22 UTC View
VE3WNP-11 (TGWN) -0.140s
Before
-121.0 dBm -12.00 dB 0 c9 dcc9 MediumFast 2026-03-27 09:34:22 UTC View
VE3WNP-11 (TGWN) -0.128s
Before
-121.0 dBm -12.00 dB 0 c9 dcc9 MediumFast 2026-03-27 09:34:22 UTC View
VE3WNP-11 (TGWN) -0.111s
Before
-121.0 dBm -12.00 dB 0 c9 dcc9 MediumFast 2026-03-27 09:34:22 UTC View
VE3WNP-11 (TGWN) -0.086s
Before
-121.0 dBm -12.00 dB 0 c9 dcc9 MediumFast 2026-03-27 09:34:22 UTC View
VE3WNP-11 (TGWN) -0.060s
Before
-121.0 dBm -12.00 dB 0 c9 dcc9 MediumFast 2026-03-27 09:34:22 UTC View
VE3WNP-11 (TGWN) -0.044s
Before
-121.0 dBm -12.00 dB 0 c9 dcc9 MediumFast 2026-03-27 09:34:22 UTC View
VE3WNP-11 (TGWN) -0.029s
Before
-121.0 dBm -12.00 dB 0 c9 dcc9 MediumFast 2026-03-27 09:34:22 UTC View
VE3WNP-11 (TGWN) -0.015s
Before
-121.0 dBm -12.00 dB 0 c9 dcc9 MediumFast 2026-03-27 09:34:22 UTC View
VE3WNP-11 (TGWN) +0.014s
After
-121.0 dBm -12.00 dB 0 c9 dcc9 ShortFast 2026-03-27 09:34:22 UTC View
VE3WNP-11 (TGWN) +0.028s
After
-121.0 dBm -12.00 dB 0 c9 dcc9 ShortFast 2026-03-27 09:34:22 UTC View
VE3WNP-11 (TGWN) +0.041s
After
-121.0 dBm -12.00 dB 0 c9 dcc9 ShortFast 2026-03-27 09:34:22 UTC View
VE3WNP-11 (TGWN) +0.053s
After
-121.0 dBm -12.00 dB 0 c9 dcc9 ShortFast 2026-03-27 09:34:22 UTC View
VE3WNP-11 (TGWN) +0.067s
After
-121.0 dBm -12.00 dB 0 c9 dcc9 ShortFast 2026-03-27 09:34:22 UTC View
VE3WNP-11 (TGWN) +0.082s
After
-121.0 dBm -12.00 dB 0 c9 dcc9 ShortFast 2026-03-27 09:34:22 UTC View
VE3WNP-11 (TGWN) +0.094s
After
-121.0 dBm -12.00 dB 0 c9 dcc9 ShortFast 2026-03-27 09:34:22 UTC View
VE3WNP-11 (TGWN) +0.106s
After
-121.0 dBm -12.00 dB 0 c9 dcc9 ShortFast 2026-03-27 09:34:22 UTC View
VE3WNP-11 (TGWN) +0.119s
After
-121.0 dBm -12.00 dB 0 c9 dcc9 ShortFast 2026-03-27 09:34:22 UTC View
VE3WNP-11 (TGWN) +0.132s
After
-121.0 dBm -12.00 dB 0 c9 dcc9 ShortFast 2026-03-27 09:34:22 UTC View
VE3WNP-11 (TGWN) +0.147s
After
-121.0 dBm -12.00 dB 0 c9 dcc9 ShortFast 2026-03-27 09:34:22 UTC View
VE3WNP-11 (TGWN) +0.162s
After
-121.0 dBm -12.00 dB 0 c9 dcc9 ShortTurbo 2026-03-27 09:34:22 UTC View
VE3WNP-11 (TGWN) +0.177s
After
-121.0 dBm -12.00 dB 0 c9 dcc9 ShortTurbo 2026-03-27 09:34:22 UTC View
VE3WNP-11 (TGWN) +0.191s
After
-121.0 dBm -12.00 dB 0 c9 dcc9 ShortTurbo 2026-03-27 09:34:22 UTC View
VE3WNP-11 (TGWN) +0.205s
After
-121.0 dBm -12.00 dB 0 c9 dcc9 ShortTurbo 2026-03-27 09:34:22 UTC View
VE3WNP-11 (TGWN) +0.219s
After
-121.0 dBm -12.00 dB 0 c9 dcc9 ShortTurbo 2026-03-27 09:34:22 UTC View
VE3WNP-11 (TGWN) +0.233s
After
-121.0 dBm -12.00 dB 0 c9 dcc9 ShortTurbo 2026-03-27 09:34:22 UTC View
VE3WNP-11 (TGWN) +0.245s
After
-121.0 dBm -12.00 dB 0 c9 dcc9 ShortTurbo 2026-03-27 09:34:22 UTC View
VE3WNP-11 (TGWN) +0.258s
After
-121.0 dBm -12.00 dB 0 c9 dcc9 ShortTurbo 2026-03-27 09:34:22 UTC View
VE3WNP-11 (TGWN) +0.271s
After
-121.0 dBm -12.00 dB 0 c9 dcc9 ShortTurbo 2026-03-27 09:34:22 UTC View
VE3WNP-11 (TGWN) +0.284s
After
-121.0 dBm -12.00 dB 0 c9 dcc9 ShortTurbo 2026-03-27 09:34:22 UTC View
VE3WNP-11 (TGWN) +0.296s
After
-121.0 dBm -12.00 dB 0 c9 dcc9 ShortTurbo 2026-03-27 09:34:22 UTC View
VE3WNP-11 (TGWN) +0.309s
After
-121.0 dBm -12.00 dB 0 c9 dcc9 LongFast 2026-03-27 09:34:22 UTC View
45

Total Receptions

1

Unique Gateways