Packet #39378294 Success

POSITION_APP packet from Dunvegan10 (RED1) to !ffffffff

46
Total Receptions
2
Unique Gateways
3
Hop Count
35
Payload Bytes
Packet Information
Database ID: 39378294
Mesh Packet ID: 0x798a7ce0
Used for correlation across gateways
Timestamp: 2026-05-16 01:02:21 UTC
From Node: Dunvegan10 (RED1)
To Node: !ffffffff (ffff)
Success: Processed
Protocol: POSITION_APP
Port: 3
Gateway: 🧋Shake Base Client 1 (SK1)
Channel: MediumFast
RSSI: -118 dBm
SNR: -5.5 dBm
Hop Info: 3/3 hops
Start: 3, Limit: 0
Relay Node: 18 rrB1
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: 35 bytes
Decoded: Yes
Decoded Data:
Latitude:43.227546°
Longitude:-79.927706°
Altitude:217 m
Satellites:19
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:35 bytes
Gateway:!c7376a1f
Channel:MediumFast
Payload Type:POSITION_APP
Hop Count:3 / 3
Privacy Summary
Exposure Level:
Broadcast
Privacy Features:
✓ Direct LoRa transmission (not via MQTT)
✓ Custom channel: MediumFast
+ 2 more...
Exposure Risks:
âš  Visible to all nodes on channel
âš  Packet visible to MQTT subscribers
+ 2 more...
MQTT ServiceEnvelope Fields

MQTT ServiceEnvelope contains the MeshPacket plus routing metadata

FieldValue
gateway_id !c7376a1f
Node ID format
channel_id MediumFast
packet MeshPacket (35 bytes)
Contains the actual mesh network packet
MeshPacket Fields

Core mesh packet with routing and payload information

FieldValueType
from 3375721100
Source node ID
uint32
to 4294967295 (Broadcast)
Visible to all nodes
uint32
decoded.portnum 3
POSITION_APP
enum
decoded.payload_length 35 bytes size
hop_limit Not set uint32
hop_start 3
Initial hop limit
uint32
hops_taken 3
Calculated: hop_start - hop_limit
derived
rx_rssi -118.0 dBm
Signal strength at gateway
int32
rx_snr -5.50 dB
Signal quality at gateway
float
rx_time 1778893344
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 24
Relay node ID
uint32
tx_after Not set uint32
timestamp 1778893341.2747476
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
Exposure Risks:
  • âš  Visible to all nodes on channel
  • âš  Packet visible to MQTT subscribers
  • âš  Multi-hop path visible (3 hops)
  • âš  RF signal metrics exposed (location inference possible)
MQTT-Specific Fields
Gateway ID: !c7376a1f
Position Precision: 13 bits (~2900.0m accuracy)
Position precision meters: 2900.0
Signal Metrics: RSSI: -118.0 dBm
SNR: -5.50 dB
Complete Payload Analysis

Detailed breakdown of all payload fields and decoded data

Payload Metadata:
Protocol:POSITION_APP
Size:35 bytes
Decoded: Yes
Complete Payload Data (JSON):
{ "latitude": 43.2275456, "longitude": -79.9277056, "altitude": 217, "sats_in_view": 19, "precision_bits": 13 }
Complete Protobuf Decode (JSON)
{ "service_envelope": { "gateway_id": "!c7376a1f", "channel_id": "MediumFast", "packet": "MeshPacket (see mesh_packet below)" }, "mesh_packet": { "from": 3375721100, "to": 4294967295, "id": 2039119072, "rx_time": 1778893344, "rx_snr": -5.5, "rx_rssi": -118, "hop_limit": 0, "hop_start": 3, "via_mqtt": false, "want_ack": false, "priority": 0, "delayed": 0, "channel_index": null, "pki_encrypted": false, "next_hop": 0, "relay_node": 24, "tx_after": 0, "decoded": { "portnum": 3, "payload": "0d0000c4191500005cd018d901250ac2076a2802585f78008001a0ac4f980113b8010d", "want_response": null, "dest": null, "source": null, "request_id": null, "reply_id": null, "emoji": null, "parsed_payload": { "latitude_i": 432275456, "longitude_i": -799277056, "altitude": 217, "time": 1778893322, "location_source": "LOC_INTERNAL", "PDOP": 95, "ground_speed": 0, "ground_track": 1300000, "sats_in_view": 19, "precision_bits": 13, "type": "protobuf", "portnum": "POSITION_APP", "message_class": "Position" } } } }
Raw Packet Data (35 bytes)
0d0000c4191500005cd018d901250ac2076a2802585f78008001a0ac4f980113b8010d
Hex Analysis:
Size:35 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...

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
🧋Shake Base Client 1 (SK1) Primary 0.000s
Reference
-118.0 dBm -5.50 dB 3 18 rrB1 MediumFast 2026-05-16 01:02:21 UTC Current
🧋Shake Base Client 1 (SK1) -0.174s
Before
-118.0 dBm -5.50 dB 3 18 rrB1 LongFast 2026-05-16 01:02:21 UTC View
🧋Shake Base Client 1 (SK1) -0.147s
Before
-118.0 dBm -5.50 dB 3 18 rrB1 LongFast 2026-05-16 01:02:21 UTC View
🧋Shake Base Client 1 (SK1) -0.135s
Before
-118.0 dBm -5.50 dB 3 18 rrB1 LongFast 2026-05-16 01:02:21 UTC View
🧋Shake Base Client 1 (SK1) -0.125s
Before
-118.0 dBm -5.50 dB 3 18 rrB1 LongFast 2026-05-16 01:02:21 UTC View
🧋Shake Base Client 1 (SK1) -0.114s
Before
-118.0 dBm -5.50 dB 3 18 rrB1 LongFast 2026-05-16 01:02:21 UTC View
🧋Shake Base Client 1 (SK1) -0.104s
Before
-118.0 dBm -5.50 dB 3 18 rrB1 LongFast 2026-05-16 01:02:21 UTC View
🧋Shake Base Client 1 (SK1) -0.094s
Before
-118.0 dBm -5.50 dB 3 18 rrB1 LongFast 2026-05-16 01:02:21 UTC View
🧋Shake Base Client 1 (SK1) -0.086s
Before
-118.0 dBm -5.50 dB 3 18 rrB1 LongFast 2026-05-16 01:02:21 UTC View
🧋Shake Base Client 1 (SK1) -0.069s
Before
-118.0 dBm -5.50 dB 3 18 rrB1 LongFast 2026-05-16 01:02:21 UTC View
🧋Shake Base Client 1 (SK1) -0.049s
Before
-118.0 dBm -5.50 dB 3 18 rrB1 LongFast 2026-05-16 01:02:21 UTC View
🧋Shake Base Client 1 (SK1) -0.037s
Before
-118.0 dBm -5.50 dB 3 18 rrB1 LongFast 2026-05-16 01:02:21 UTC View
🧋Shake Base Client 1 (SK1) -0.025s
Before
-118.0 dBm -5.50 dB 3 18 rrB1 MediumFast 2026-05-16 01:02:21 UTC View
🧋Shake Base Client 1 (SK1) -0.013s
Before
-118.0 dBm -5.50 dB 3 18 rrB1 MediumFast 2026-05-16 01:02:21 UTC View
🧋Shake Base Client 1 (SK1) +0.017s
After
-118.0 dBm -5.50 dB 3 18 rrB1 MediumFast 2026-05-16 01:02:21 UTC View
🧋Shake Base Client 1 (SK1) +0.026s
After
-118.0 dBm -5.50 dB 3 18 rrB1 MediumFast 2026-05-16 01:02:21 UTC View
🧋Shake Base Client 1 (SK1) +0.037s
After
-118.0 dBm -5.50 dB 3 18 rrB1 MediumFast 2026-05-16 01:02:21 UTC View
🧋Shake Base Client 1 (SK1) +0.048s
After
-118.0 dBm -5.50 dB 3 18 rrB1 MediumFast 2026-05-16 01:02:21 UTC View
🧋Shake Base Client 1 (SK1) +0.058s
After
-118.0 dBm -5.50 dB 3 18 rrB1 MediumFast 2026-05-16 01:02:21 UTC View
🧋Shake Base Client 1 (SK1) +0.068s
After
-118.0 dBm -5.50 dB 3 18 rrB1 MediumFast 2026-05-16 01:02:21 UTC View
🧋Shake Base Client 1 (SK1) +0.077s
After
-118.0 dBm -5.50 dB 3 18 rrB1 MediumFast 2026-05-16 01:02:21 UTC View
🧋Shake Base Client 1 (SK1) +0.085s
After
-118.0 dBm -5.50 dB 3 18 rrB1 MediumFast 2026-05-16 01:02:21 UTC View
🧋Shake Base Client 1 (SK1) +0.094s
After
-118.0 dBm -5.50 dB 3 18 rrB1 ShortFast 2026-05-16 01:02:21 UTC View
🧋Shake Base Client 1 (SK1) +0.104s
After
-118.0 dBm -5.50 dB 3 18 rrB1 ShortFast 2026-05-16 01:02:21 UTC View
🧋Shake Base Client 1 (SK1) +0.114s
After
-118.0 dBm -5.50 dB 3 18 rrB1 ShortFast 2026-05-16 01:02:21 UTC View
🧋Shake Base Client 1 (SK1) +0.124s
After
-118.0 dBm -5.50 dB 3 18 rrB1 ShortFast 2026-05-16 01:02:21 UTC View
🧋Shake Base Client 1 (SK1) +0.135s
After
-118.0 dBm -5.50 dB 3 18 rrB1 ShortFast 2026-05-16 01:02:21 UTC View
🧋Shake Base Client 1 (SK1) +0.146s
After
-118.0 dBm -5.50 dB 3 18 rrB1 ShortFast 2026-05-16 01:02:21 UTC View
🧋Shake Base Client 1 (SK1) +0.158s
After
-118.0 dBm -5.50 dB 3 18 rrB1 ShortFast 2026-05-16 01:02:21 UTC View
🧋Shake Base Client 1 (SK1) +0.168s
After
-118.0 dBm -5.50 dB 3 18 rrB1 ShortFast 2026-05-16 01:02:21 UTC View
🧋Shake Base Client 1 (SK1) +0.191s
After
-118.0 dBm -5.50 dB 3 18 rrB1 ShortFast 2026-05-16 01:02:21 UTC View
🧋Shake Base Client 1 (SK1) +0.205s
After
-118.0 dBm -5.50 dB 3 18 rrB1 ShortFast 2026-05-16 01:02:21 UTC View
🧋Shake Base Client 1 (SK1) +0.215s
After
-118.0 dBm -5.50 dB 3 18 rrB1 ShortFast 2026-05-16 01:02:21 UTC View
🧋Shake Base Client 1 (SK1) +0.225s
After
-118.0 dBm -5.50 dB 3 18 rrB1 ShortTurbo 2026-05-16 01:02:21 UTC View
🧋Shake Base Client 1 (SK1) +0.239s
After
-118.0 dBm -5.50 dB 3 18 rrB1 ShortTurbo 2026-05-16 01:02:21 UTC View
🧋Shake Base Client 1 (SK1) +0.254s
After
-118.0 dBm -5.50 dB 3 18 rrB1 ShortTurbo 2026-05-16 01:02:21 UTC View
🧋Shake Base Client 1 (SK1) +0.265s
After
-118.0 dBm -5.50 dB 3 18 rrB1 ShortTurbo 2026-05-16 01:02:21 UTC View
🧋Shake Base Client 1 (SK1) +0.280s
After
-118.0 dBm -5.50 dB 3 18 rrB1 ShortTurbo 2026-05-16 01:02:21 UTC View
🧋Shake Base Client 1 (SK1) +0.301s
After
-118.0 dBm -5.50 dB 3 18 rrB1 ShortTurbo 2026-05-16 01:02:21 UTC View
🧋Shake Base Client 1 (SK1) +0.321s
After
-118.0 dBm -5.50 dB 3 18 rrB1 ShortTurbo 2026-05-16 01:02:21 UTC View
🧋Shake Base Client 1 (SK1) +0.334s
After
-118.0 dBm -5.50 dB 3 18 rrB1 ShortTurbo 2026-05-16 01:02:21 UTC View
🧋Shake Base Client 1 (SK1) +0.346s
After
-118.0 dBm -5.50 dB 3 18 rrB1 ShortTurbo 2026-05-16 01:02:21 UTC View
🧋Shake Base Client 1 (SK1) +0.362s
After
-118.0 dBm -5.50 dB 3 18 rrB1 ShortTurbo 2026-05-16 01:02:21 UTC View
🧋Shake Base Client 1 (SK1) +0.374s
After
-118.0 dBm -5.50 dB 3 18 rrB1 ShortTurbo 2026-05-16 01:02:21 UTC View
🧋Shake Base Client 1 (SK1) +0.385s
After
-118.0 dBm -5.50 dB 3 18 rrB1 LongFast 2026-05-16 01:02:21 UTC View
Entfernt058 (e058) +3.439s
After
-125.0 dBm -16.50 dB 3 18 rrB1 LongFast 2026-05-16 01:02:24 UTC View
46

Total Receptions

2

Unique Gateways